{"title":"ZWO Planetary Cameras","description":"\u003cp\u003eZWO planetary cameras are uncooled high-frame-rate cameras for lucky imaging of the planets, the Moon and the Sun, where thousands of short frames are stacked to beat seeing. Color models such as the ASI462MC, ASI662MC, ASI664MC and ASI715MC give quick color results.\u003c\/p\u003e\u003cp\u003eMono models such as the ASI178MM, ASI290MM and ASI462MM suit filter work and IR imaging, and the ASI174MM, with its larger sensor, is a common choice for full-disc solar and lunar images.\u003c\/p\u003e","products":[{"product_id":"zwo-asi174mm-mono","title":"ZWO ASI174MM Mono","description":"\u003cul class=\"DAV-feature-list\"\u003e\n    \u003cli\u003e\n        IMX174 Sensor\n    \u003c\/li\u003e\n    \u003cli\u003e\n        Pixel Size of 5.86 microns\n    \u003c\/li\u003e\n    \u003cli\u003e\n        QE of 77%\n    \u003c\/li\u003e\n    \u003cli\u003e    \n        USB 3.0\n    \u003c\/li\u003e\n    \u003cli\u003e\n        164 FPS\n    \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n    \u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n    \u003cli\u003eSpecifications\u003c\/li\u003e\n    \u003cli\u003eDiagrams \u0026amp; Resources\u003c\/li\u003e\n    \u003cli\u003eIn the Box\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n    \u003cli class=\"active\"\u003e\n        \u003cdiv\u003e\n            \u003c!-- Title image text --\u003e\n            \u003cdiv class=\"DAV-bg-light\"\u003e\n                \u003c!-- Main Image --\u003e\n                \u003cdiv class=\"DAV-section-center\"\u003e\n                    \u003ch2\u003eZWO ASI174MM - Overview\u003c\/h2\u003e\n                    \u003cp\u003e\n                        The ZWO ASI174MM is a popular choice among astrophotographers, designed around the Sony Exmor IMX174 2.35MP sensor with advanced Pregius global shutter technology. Whether capturing solar, lunar, planetary, or deep-sky objects, this camera offers exceptional performance and reliability.\n                    \u003c\/p\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n\n            \u003c!-- Features Grid --\u003e\n            \u003cdiv class=\"DAV-feature-grid\"\u003e\n                \u003cdiv class=\"DAV-feature-box\"\u003e\n                    \u003ch3\u003e\n                        Sony IMX174 CMOS Sensor\n                    \u003c\/h3\u003e\n                    \u003cp\u003e\n                        Features a 1\/1.2” monochrome sensor with 1936 x 1216 resolution and large 5.86µm pixels for enhanced light sensitivity and detail.\n                    \u003c\/p\u003e\n                \u003c\/div\u003e\n\n                \u003cdiv class=\"DAV-feature-box\"\u003e\n                    \u003ch3\u003e\n                        Pregius Global Shutter\n                    \u003c\/h3\u003e\n                    \u003cp\u003e\n                        Ensures distortion-free imaging by scanning all pixels simultaneously, making it perfect for solar and lunar imaging under challenging conditions like wind or atmospheric turbulence.\n                    \u003c\/p\u003e\n                \u003c\/div\u003e\n\n                \u003cdiv class=\"DAV-feature-box\"\u003e\n                    \u003ch3\u003e\n                        Sony Exmor Technology\n                    \u003c\/h3\u003e\n                    \u003cp\u003e\n                        Offers high-speed processing, low noise, and energy efficiency through column-parallel A\/D conversion.\n                    \u003c\/p\u003e\n                \u003c\/div\u003e\n\n                \u003cdiv class=\"DAV-feature-box\"\u003e\n                    \u003ch3\u003e\n                        Region of Interest (ROI) Mode\n                    \u003c\/h3\u003e\n                    \u003cp\u003e\n                        Enables higher frame rates with a fully customizable region of interest within the effective pixel array.\n                    \u003c\/p\u003e\n                \u003c\/div\u003e\n\n                \u003cdiv class=\"DAV-feature-box\"\u003e\n                    \u003ch3\u003e\n                        High-Speed Imaging\n                    \u003c\/h3\u003e\n                    \u003cp\u003e\n                        Achieves up to 164.5 fps at 10-bit ADC and 128.2 fps at 12-bit ADC for sharp, detailed images.\n                    \u003c\/p\u003e\n                \u003c\/div\u003e\n\n                \u003cdiv class=\"DAV-feature-box\"\u003e\n                    \u003ch3\u003e\n                        High Quantum Efficiency (QE)\n                    \u003c\/h3\u003e\n                    \u003cp\u003e\n                        Peak QE value estimated at 77%, providing an excellent signal-to-noise ratio for outstanding image quality.\n                    \u003c\/p\u003e\n                \u003c\/div\u003e\n\n                \u003cdiv class=\"DAV-feature-box\"\u003e\n                    \u003ch3\u003e\n                        USB 3.0 \u0026amp; ST4 Ports\n                    \u003c\/h3\u003e\n                    \u003cp\u003e\n                        USB 3.0 Port: Provides 5Gb bandwidth for fast data transfer, enabling smooth operation even at maximum frame rates and resolution.\n                    \u003c\/p\u003e\n                    \u003cp\u003e\n                        ST4 Port: Connects directly to your mount’s autoguide port for precise guiding during long exposure astrophotography.\n                    \u003c\/p\u003e\n                \u003c\/div\u003e\n\n                \u003cdiv class=\"DAV-feature-box\"\u003e\n                    \u003ch3\u003e\n                        Back Focus Flexibility \n                    \u003c\/h3\u003e\n                    \u003cp\u003e\n                        Remove the T2 11mm ring to achieve a compact back focus of just 6.5mm.\n                    \u003c\/p\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n\n            \u003cdiv class=\"DAV-section-container\"\u003e\n                \u003cdiv class=\"DAV-section-text\"\u003e\n                    \u003ch3\u003e\n                        Setup Instructions\n                    \u003c\/h3\u003e\n                    \u003col\u003e\n                        \u003cli\u003e\n                            Connect the Camera: Use the USB 3.0 interface for high-speed, stable data transmission.\n                        \u003c\/li\u003e\n                        \u003cli\u003e\n                            Integrate with Mount: Utilize the ST4 port for seamless autoguiding during your imaging sessions.\n                        \u003c\/li\u003e\n                        \u003cli\u003e\n                            Optimize Imaging: Experiment with Region of Interest (ROI) mode to capture faster frame rates for specific celestial targets.\n                        \u003c\/li\u003e\n                        \u003cli\u003e\n                            Adjust Back Focus: For precise setups, remove the T2 ring to accommodate shorter optical paths.\n                        \u003c\/li\u003e\n                    \u003c\/ol\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n\n            \u003cdiv class=\"DAV-section-container\"\u003e\n                \u003cdiv class=\"DAV-section-text\"\u003e\n                    \u003ch3\u003e\n                        Other information\n                    \u003c\/h3\u003e\n                    \u003cp\u003e\n                        The ZWO ASI174MM stands out due to its advanced global shutter design, eliminating focal plane distortions often seen in moving targets or unstable conditions. This makes it ideal for solar and lunar imaging, where fine details are crucial.                    \n                    \u003c\/p\u003e\n                    \u003cp\u003e\n                        With its high-speed imaging capability, ROI mode, and exceptional quantum efficiency, the ASI174MM ensures clear, sharp captures of faint deep-sky objects and bright planetary surfaces alike. The Pregius global shutter technology and Exmor architecture work together to reduce noise, enhance speed, and minimize power consumption, making this camera a favorite among serious astrophotographers.\n                    \u003c\/p\u003e\n                    \u003cp\u003e\n                        For those seeking high performance, versatility, and precision, the ZWO ASI174MM delivers a seamless astrophotography experience with professional-grade results.\n                    \u003c\/p\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n    \u003c\/li\u003e\n\n\n    \u003cli\u003e\n        \u003ctable class=\"DAV-specifications\"\u003e\n            \u003ctbody\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003e\n                        Sensor\n                    \u003c\/td\u003e\n                    \u003ctd\u003e\n                        CMOS IMX174\n                    \u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003e\n                        Read Noise\n                    \u003c\/td\u003e\n                    \u003ctd\u003e\n                        3.5e\n                    \u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003e\n                        Sensor Size\n                    \u003c\/td\u003e\n                    \u003ctd\u003e\n                        1\/1.2\" (11.3x7.1mm)\n                    \u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003e\n                        Full Well\n                    \u003c\/td\u003e\n                    \u003ctd\u003e\n                        32Ke\n                    \u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003e\n                        Resolution\n                    \u003c\/td\u003e\n                    \u003ctd\u003e\n                        1936x1216\n                    \u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003e\n                        QE\n                    \u003c\/td\u003e   \n                    \u003ctd\u003e\n                        77%\n                    \u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003e\n                        ADC\n                    \u003c\/td\u003e\n                    \u003ctd\u003e\n                        12bit\n                    \u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003e\n                        USB\n                    \u003c\/td\u003e\n                    \u003ctd\u003e\n                        3.0\n                    \u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003e\n                        Pixel Size\n                    \u003c\/td\u003e\n                    \u003ctd\u003e\n                        5.86um\n                    \u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003e\n                        FPS\n                    \u003c\/td\u003e\n                    \u003ctd\u003e\n                        164\n                    \u003c\/td\u003e\n                \u003c\/tr\u003e\n            \u003c\/tbody\u003e\n        \u003c\/table\u003e\n    \u003c\/li\u003e\n\n    \u003cli\u003e\n        \u003ch2\u003eAstrophotography Performance\u003c\/h2\u003e\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ASI174MM_-_Performance.webp?v=1738097521\" alt=\"ASI174MM - Performance\"\u003e \n        \u003ch2\u003eMechanical Diagram\u003c\/h2\u003e\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ASI174MM_-_Mechanical_Diagram.webp?v=1738097521\" alt=\"ASI174MM - Mechanical Diagram\"\u003e \n        \u003ch2\u003eHigh QE\u003c\/h2\u003e\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ASI174MM_-_High_QE.webp?v=1738097521\" alt=\"\"\u003e\n        \u003ch2\u003eUSB\u003c\/h2\u003e\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ASI174MM_-_USB.webp?v=1738097521\" alt=\"ASI174MM - USB\"\u003e \n        \u003ch2\u003eBack Focus\u003c\/h2\u003e\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ASI174MM_-_Back_Focus.webp?v=1738097520\" alt=\"ASI174MM - Back Focus\"\u003e \n        \u003ch2\u003eReference Images\u003c\/h2\u003e\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ASI174MM_-_Ref_1.webp?v=1738097520\" alt=\"ASI174MM - Ref 1\"\u003e \n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ASI174MM_-_Ref_2.webp?v=1738097521\" alt=\"ASI174MM - Ref 2\"\u003e \n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ASI174MM_-_Ref_3.webp?v=1738097520\" alt=\"ASI174MM - Ref 3\"\u003e \n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ASI174MM_-_Ref_4.webp?v=1738097521\" alt=\"ASI174MM - Ref 4\"\u003e \n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ASI174MM_-_Ref_5.webp?v=1738097521\" alt=\"ASI174MM - Ref 5\"\u003e \n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ASI174MM_-_Ref_6.webp?v=1738097521\" alt=\"ASI174MM - Ref 6\"\u003e\n    \u003c\/li\u003e\n\n    \u003cli\u003e\n        \u003cul class=\"DAV-grid\"\u003e\n            \u003cli class=\"DAV-grid-item\"\u003e\n                \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ASI174MM_-_Camera_Body.png?v=1738097521\" alt=\"ASI174MM - In The Box\" class=\"DAV-img-box\"\u003e\n                \u003cdiv\u003e\n                    \u003cp class=\"DAV-item-title\"\u003e\n                        Camera Body\n                    \u003c\/p\u003e\n                    \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n                \u003c\/div\u003e\n            \u003c\/li\u003e\n            \u003cli class=\"DAV-grid-item\"\u003e\n                \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ASI174MM_-_ST4.png?v=1738097521\" alt=\"ASI174MM - In The Box\" class=\"DAV-img-box\"\u003e\n                \u003cdiv\u003e\n                    \u003cp class=\"DAV-item-title\"\u003e\n                        ST4 Cable\n                    \u003c\/p\u003e\n                    \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n                \u003c\/div\u003e\n            \u003c\/li\u003e\n            \u003cli class=\"DAV-grid-item\"\u003e\n                \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ASI174MM_-_USB3.0.png?v=1738097521\" alt=\"ASI174MM - In The Box\" class=\"DAV-img-box\"\u003e\n                \u003cdiv\u003e\n                    \u003cp class=\"DAV-item-title\"\u003e\n                        USB 3.0 Cable (2m)\n                    \u003c\/p\u003e\n                    \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n                \u003c\/div\u003e\n            \u003c\/li\u003e\n            \u003cli class=\"DAV-grid-item\"\u003e\n                \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ASI174MM_-_Nosepiece.png?v=1738097521\" alt=\"ASI174MM - In The Box\" class=\"DAV-img-box\"\u003e\n                \u003cdiv\u003e\n                    \u003cp class=\"DAV-item-title\"\u003e\n                        1.25\" Nosepiece\n                    \u003c\/p\u003e\n                    \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n                \u003c\/div\u003e\n            \u003c\/li\u003e\n            \u003cli class=\"DAV-grid-item\"\u003e\n                \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ASI174MM_-_Cover.png?v=1738097520\" alt=\"ASI174MM - In The Box\" class=\"DAV-img-box\"\u003e\n                \u003cdiv\u003e\n                    \u003cp class=\"DAV-item-title\"\u003e\n                        1.25\" Cover\n                    \u003c\/p\u003e\n                    \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n                \u003c\/div\u003e\n            \u003c\/li\u003e\n            \u003cli class=\"DAV-grid-item\"\u003e\n                \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ASI174MM_-_Quick_Guide.png?v=1738097521\" alt=\"ASI174MM - In The Box\" class=\"DAV-img-box\"\u003e\n                \u003cdiv\u003e\n                    \u003cp class=\"DAV-item-title\"\u003e\n                        Quick Guide\n                    \u003c\/p\u003e\n                    \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n                \u003c\/div\u003e\n            \u003c\/li\u003e\n            \u003c!-- Add more items as needed --\u003e\n        \u003c\/ul\u003e\n    \u003c\/li\u003e\n\n\u003c\/ul\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":44967398768925,"sku":"ZWO-ASI174MM","price":699.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/ZWO-ASI174MM-Mono-1__46344.1596910049.1280.1280.jpg?v=1684341549"},{"product_id":"zwo-asi183mc-color","title":"ZWO ASI183MC Color","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e20.2 Megapixel 1\" Sony IMX183 BSI CMOS Sensor\u003c\/li\u003e\n\u003cli\u003e2.4µm pixels for high-resolution planetary and solar system imaging\u003c\/li\u003e\n\u003cli\u003e19 FPS at full 5496 x 3672 resolution\u003c\/li\u003e\n\u003cli\u003e1.6e low read noise and 80% peak QE\u003c\/li\u003e\n\u003cli\u003eUSB 3.0 and ST-4 guide port connectivity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eZWO ASI183MC USB3.0 Color Astronomy Camera\u003c\/h2\u003e\n\u003cp\u003eThe ZWO ASI183MC combines a high-resolution 20.2 MP sensor with small 2.4µm pixels, making it a formidable tool for capturing fine detail on the Moon and planets. Its 1-inch back-illuminated Sony sensor achieves a peak Quantum Efficiency of 80% with only 1.6e of read noise, preserving faint signals in your raw data. At full 5496 x 3672 resolution, the camera streams at 19 FPS over its USB 3.0 interface, fast enough for lucky imaging techniques that freeze atmospheric turbulence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e20.2 MP Resolution from a 1-inch BSI Sensor\u003c\/h3\u003e\n\u003cp\u003eThe core of the ASI183MC is its Sony IMX183 back-illuminated CMOS sensor, which offers a massive 5496 x 3672 pixel array in a 1-inch format. This combination of high resolution and a large sensor diagonal of 15.86 mm lets you frame the entire lunar disc with a short refractor or capture intricate detail within Jupiter's cloud bands with a long focal-length SCT. The back-illuminated structure places wiring behind the photodiode, maximizing photon collection to reach a peak QE of 80%.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eHigh-Speed Imaging at 19 FPS\u003c\/h3\u003e\n\u003cp\u003eTo overcome atmospheric seeing, planetary imagers rely on capturing thousands of frames in a short time, and the ASI183MC is built for this task. It delivers 19 FPS at its full 20.2 MP resolution and can be pushed to 80.10 FPS at a 1920x1080 Region of Interest (ROI). This speed, enabled by the USB 3.0 interface, is critical for capturing those fleeting moments of perfect seeing that reveal the sharpest details on planetary surfaces.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Resolution:\u003c\/strong\u003e 5496×3672 at 19 FPS (12-bit) for maximum detail.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlanetary ROI:\u003c\/strong\u003e 1280×720 at 103.23 FPS (12-bit) for ultra-fast capture of smaller targets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeep Sky ROI:\u003c\/strong\u003e 3840×2160 (4K) at 36.12 FPS (12-bit) for capturing smaller nebulae or globular clusters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eTrade-offs of the Uncooled 2.4µm Pixel Design\u003c\/h3\u003e\n\u003cp\u003eThe ASI183MC is an uncooled camera, which makes it compact, lightweight at just 0.31 lbs, and simple to power in the field. This design is ideal for short-exposure solar, lunar, and planetary imaging where thermal noise is negligible. However, for multi-minute exposures of faint deep-sky objects, the lack of cooling will result in higher thermal noise compared to a dedicated cooled camera. The small 2.4µm pixels deliver exceptional resolution but require stable seeing and precise focusing to fully exploit their potential, and they pair best with telescopes operating at shorter focal ratios to avoid oversampling.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eASI183MC vs. ASI183MM: Color Simplicity vs. Monochrome Sensitivity\u003c\/h3\u003e\n\u003cp\u003eThe primary difference between the ASI183MC and its monochrome sibling, the ASI183MM, is the sensor's Bayer matrix. The ASI183MM offers higher ultimate sensitivity and resolution because it lacks the color filter array, allowing every pixel to capture all incoming light. This makes it the superior choice for advanced imagers using filter wheels for LRGB or narrowband imaging. The ASI183MC, however, provides the significant advantage of one-shot color capture. You get a full-color image in a single exposure, drastically simplifying the acquisition and processing workflow, which is a major benefit for planetary imaging sessions where conditions can change rapidly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the ASI183MC perform on Jupiter with an 8\" f\/10 SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor planetary imaging, the optimal focal ratio is typically 5 to 7 times the camera's pixel size. With the ASI183MC's 2.4µm pixels, you should aim for a focal ratio between f\/12 and f\/17. On an 8\" f\/10 SCT, you would use a 1.5x or 2x Barlow lens to achieve this ideal image scale, allowing you to resolve fine details in Jupiter's cloud bands under good seeing conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the ZWO ASI183MC for imaging the Orion Nebula (M42)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the ASI183MC is sensitive enough to capture bright deep-sky objects like the Orion Nebula (M42) using a series of short exposures (e.g., 30-60 seconds) that can be stacked later. However, as an uncooled camera, it will exhibit more thermal noise on long exposures than a cooled model, which may limit its ability to capture the faintest outer nebulosity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does \"back-illuminated\" (BSI) mean for the ASI183MC?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA \u003cstrong\u003eBack-Illuminated Sensor (BSI)\u003c\/strong\u003e places the metal wiring layer below the light-sensitive photodiodes, rather than above them. This design prevents the wiring from blocking incoming photons, significantly increasing the sensor's light-gathering efficiency. For the ASI183MC, this contributes to its high peak Quantum Efficiency of 80%.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need an IR Cut filter with the ZWO ASI183MC?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. Like most color CMOS cameras, the ASI183MC's sensor is sensitive to infrared (IR) light that the human eye cannot see. To achieve accurate colors and prevent star bloat, it is essential to use an IR Cut or Luminance filter that blocks this unwanted wavelength. This 1.25\" filter threads into the included T2-1.25\" filter adapter, which sits inside the 11mm T2 extender so the filter is close to the sensor and does not vignette.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan the ASI183MC be used as a guide camera?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile the ASI183MC has a standard \u003cstrong\u003eST-4 guide port\u003c\/strong\u003e and high sensitivity, making it technically capable of guiding, its 20.2 MP resolution is generally overkill for this purpose. Guiding requires finding and tracking a single star, and the large files generated by the ASI183MC would slow down the process unnecessarily. A dedicated guide camera with a smaller sensor is a more efficient choice.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the back focus of the ZWO ASI183MC?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe native back focus for the ZWO ASI183MC is \u003cstrong\u003e6.5 mm\u003c\/strong\u003e from the front of the M42 female threads to the sensor. This short distance is common for uncooled planetary cameras and is important to know if you plan to use it with accessories like filter drawers or off-axis guiders in a deep-sky setup.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003e1\" Sony IMX183 BSI CMOS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e5496 x 3672 (20.2 MP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel Size\u003c\/td\u003e\n\u003ctd\u003e2.4 µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Dimensions\u003c\/td\u003e\n\u003ctd\u003e13.19 mm x 8.81 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Diagonal\u003c\/td\u003e\n\u003ctd\u003e15.86 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Quantum Efficiency\u003c\/td\u003e\n\u003ctd\u003e80%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Well Capacity\u003c\/td\u003e\n\u003ctd\u003e15,000e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead Noise\u003c\/td\u003e\n\u003ctd\u003e1.6e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShutter Type\u003c\/td\u003e\n\u003ctd\u003eElectronic Rolling Shutter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Frame Rate (12-bit)\u003c\/td\u003e\n\u003ctd\u003e19 FPS at 5496x3672\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBit Depth\u003c\/td\u003e\n\u003ctd\u003e12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExposure Range\u003c\/td\u003e\n\u003ctd\u003e32 µs to 2000 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera Type\u003c\/td\u003e\n\u003ctd\u003eColor, Uncooled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eUSB 3.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuide Port\u003c\/td\u003e\n\u003ctd\u003eST-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Focus\u003c\/td\u003e\n\u003ctd\u003e6.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelescope Connection\u003c\/td\u003e\n\u003ctd\u003e1.25\", 2\", M42x0.75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e62 mm x 36 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.31 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-5°C to 45°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOS Compatibility\u003c\/td\u003e\n\u003ctd\u003eMac, Windows, Linux\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eZWO ASI183MC Camera Body\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eT2 Extender (11mm)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e2\" Dust Cap\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eST-4 Guide Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25\" Nosepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eT2-1.25\" Filter Adapter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eUSB 3.0 Cable (6.5 ft)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eQuick Guide\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.zwoastro.com\/software\/\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e \n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Software\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/zwo-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eZWO 2-Year Limited Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":44967400309021,"sku":"ZWO-ASI183MC","price":709.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/ZWO-ASI183MC-Color-1__45315.1596910050.1280.1280.jpg?v=1684341551"},{"product_id":"zwo-asi183mm-mono","title":"ZWO ASI183MM Mono","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e20.2 Megapixel (5496 x 3672) 1\" Monochrome CMOS Sensor\u003c\/li\u003e\n\u003cli\u003e2.4µm Pixel Size for High-Resolution Sampling\u003c\/li\u003e\n\u003cli\u003e84% Peak Quantum Efficiency (BSI Sensor)\u003c\/li\u003e\n\u003cli\u003e1.6e Low Readout Noise\u003c\/li\u003e\n\u003cli\u003e19 FPS at Full 20.2 MP Resolution\u003c\/li\u003e\n\u003cli\u003eUSB 3.0 and ST-4 Guiding Ports\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eZWO ASI183MM USB3.0 Monochrome Astronomy Camera\u003c\/h2\u003e\n\u003cp\u003eThe ZWO ASI183MM Mono combines a high-resolution 20.2 MP (5496 x 3672) Sony 1\" CMOS sensor with small 2.4µm pixels, making it ideal for detailed imaging with short-focal-length instruments. Its back-illuminated design achieves a peak Quantum Efficiency of 84% and maintains low 1.6e read noise, capturing faint signals with high fidelity. At full resolution, the camera delivers 19 frames per second over its USB 3.0 interface, providing the speed needed for high-resolution lunar, solar, and planetary imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eHigh-Resolution Sampling with 2.4µm Pixels\u003c\/h3\u003e\n\u003cp\u003eThe ASI183MM's 2.4µm pixels are perfectly suited for modern, short focal length refractors and imaging Newtonians. This combination allows you to achieve high-resolution image sampling without needing a Barlow lens, capturing fine details in nebulae and galaxies. The massive 20.2 MP resolution gives you the flexibility to frame large targets or crop aggressively on smaller objects without sacrificing image quality.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e84% Peak QE from a Back-Illuminated Sensor\u003c\/h3\u003e\n\u003cp\u003eThe Sony IMX183 sensor is a back-illuminated (BSI) design, which places the sensor's wiring behind the photodiodes. This architecture maximizes light collection, pushing the peak Quantum Efficiency to 84% and enabling over 60% sensitivity in the critical Hydrogen-alpha line. As an uncooled camera, the ASI183MM excels at shorter exposures for lucky imaging and narrowband work, though thermal noise will become a factor on multi-minute exposures of faint deep-sky objects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eASI183MM vs. ASI183MC: The Monochrome Advantage at 20.2 MP\u003c\/h3\u003e\n\u003cp\u003eWhile its color counterpart, the ASI183MC, simplifies imaging with one-shot-color convenience, the ASI183MM Mono holds a distinct advantage in sensitivity and resolution. The monochrome sensor captures every incoming photon, contributing to its higher 84% peak QE. Without a Bayer color filter array, the ASI183MM resolves finer detail and is the clear choice for advanced LRGB and narrowband imaging with separate filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e19 FPS at Full Resolution for Lucky Imaging\u003c\/h3\u003e\n\u003cp\u003eWhile capable of deep-sky work, the ASI183MM is also a high-speed planetary and solar system imager. It can capture full-resolution 20.2 MP frames at 19 fps, fast enough to freeze moments of steady seeing. By defining a smaller Region of Interest (ROI), you can increase speeds dramatically, reaching 80.10 fps at 1920x1080 or 117.30 fps at 1280x720 to capture thousands of frames on Jupiter or Saturn in minutes.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Frame (5496x3672):\u003c\/strong\u003e 19 fps at 12-bit ADC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4K UHD (3840x2160):\u003c\/strong\u003e 36.12 fps at 12-bit ADC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull HD (1920x1080):\u003c\/strong\u003e 70.48 fps at 12-bit ADC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eConnectivity and Mechanicals with 6.5mm Back Focus\u003c\/h3\u003e\n\u003cp\u003eThe ASI183MM features a robust and standardized connection scheme for direct integration into your existing imaging train. The lightweight 0.31 lb. body minimizes focuser strain and balance issues.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTelescope Interface:\u003c\/strong\u003e Standard M42x0.75 female threads provide a secure connection to most focusers, filter wheels, and off-axis guiders.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBack Focus:\u003c\/strong\u003e A native back focus of 6.5mm makes it easy to place within optical trains that have tight spacing requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eData and Guiding:\u003c\/strong\u003e A USB 3.0 port ensures reliable, high-speed data transfer, while a dedicated ST-4 port allows the camera to be used for autoguiding.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the ZWO ASI183MM good for both planetary and deep-sky imaging?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the ASI183MM is a highly versatile camera. Its high frame rate of \u003cstrong\u003e19 fps at 20.2 MP\u003c\/strong\u003e makes it excellent for \"lucky imaging\" of the Moon, Sun, and planets. Its high sensitivity (\u003cstrong\u003e84% QE\u003c\/strong\u003e) and low read noise (\u003cstrong\u003e1.6e\u003c\/strong\u003e) also make it very capable for capturing deep-sky objects, especially with narrowband filters, though its uncooled design is best suited for shorter exposures.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the ASI183MM's 2.4µm pixel size work with a short focal length refractor?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe small \u003cstrong\u003e2.4µm pixels\u003c\/strong\u003e are an excellent match for short focal length instruments (e.g., 250mm-500mm). This combination achieves a high-resolution image scale, allowing you to capture fine detail without needing a Barlow or Powermate. It effectively turns a wide-field refractor into a high-resolution deep-sky imaging system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eAs an uncooled camera, what are the limitations of the ASI183MM for long-exposure imaging?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe primary limitation is thermal noise. Without active cooling, the sensor's temperature will rise during long exposures (typically over 60-90 seconds), which increases noise in the final image. The ASI183MM is therefore best used for capturing many shorter exposures rather than single, very long ones. Using dark frame subtraction is essential to manage this thermal signal.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy should I choose the ASI183MM mono over the ASI183MC color version?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eChoose the ASI183MM mono if your goal is maximum detail and sensitivity. It has a higher peak \u003cstrong\u003eQE of 84%\u003c\/strong\u003e and resolves finer detail because it lacks a color filter array. This makes it the superior choice for LRGB imaging from dark skies or for narrowband imaging of emission nebulae (like the Horsehead Nebula, B33) from light-polluted locations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan the ZWO ASI183MM be used as a guide camera?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. While its large \u003cstrong\u003e1\" sensor\u003c\/strong\u003e is overkill for many guide scopes, its high sensitivity and built-in \u003cstrong\u003eST-4 guide port\u003c\/strong\u003e make it a very capable autoguider. It can be particularly useful when guiding with an off-axis guider (OAG) on a longer focal length telescope, where the large sensor area makes it easier to find a suitable guide star.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat do I need to connect the ASI183MM to my telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe camera body has standard female \u003cstrong\u003eM42x0.75 \"T-threads\"\u003c\/strong\u003e. It ships with a 1.25\" nosepiece that allows it to slide into any standard 1.25\" focuser. You can also thread it directly to accessories like filter wheels or off-axis guiders that use the M42 standard.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003e1\" Sony IMX183 BSI CMOS (Monochrome)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e5496 x 3672 (20.2 MP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel Size\u003c\/td\u003e\n\u003ctd\u003e2.4 µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Dimensions\u003c\/td\u003e\n\u003ctd\u003e13.2 mm x 8.8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Diagonal\u003c\/td\u003e\n\u003ctd\u003e15.9 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Quantum Efficiency (QE)\u003c\/td\u003e\n\u003ctd\u003e84%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Well Capacity\u003c\/td\u003e\n\u003ctd\u003e15,000e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReadout Noise\u003c\/td\u003e\n\u003ctd\u003e1.6e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBit Depth\u003c\/td\u003e\n\u003ctd\u003e12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Frame Rate\u003c\/td\u003e\n\u003ctd\u003e19 fps at 5496x3672\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShutter Type\u003c\/td\u003e\n\u003ctd\u003eElectronic Rolling Shutter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Exposure\u003c\/td\u003e\n\u003ctd\u003e32 µs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Exposure\u003c\/td\u003e\n\u003ctd\u003e2000 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Focus\u003c\/td\u003e\n\u003ctd\u003e6.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Interface\u003c\/td\u003e\n\u003ctd\u003eUSB 3.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuide Port\u003c\/td\u003e\n\u003ctd\u003eST-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelescope Connection\u003c\/td\u003e\n\u003ctd\u003eM42x0.75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera Window\u003c\/td\u003e\n\u003ctd\u003eAR Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eUncooled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e62 mm x 36 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.31 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported OS\u003c\/td\u003e\n\u003ctd\u003eMac, Windows, Linux\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking Temperature\u003c\/td\u003e\n\u003ctd\u003e-5°C to 45°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-20°C to 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking Relative Humidity\u003c\/td\u003e\n\u003ctd\u003e20% to 80%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eZWO ASI183MM Camera Body\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eT2 Extender (11mm)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e2\" Dust Cap\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eST-4 Guide Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25\" Nosepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eT2-1.25\" Filter Adapter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eUSB 3.0 Cable (6.5 ft)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eQuick Guide\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.zwoastro.com\/software\/\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e \n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Software\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/zwo-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eZWO 2-Year Limited Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":44967402701085,"sku":"ZWO-ASI183MM","price":989.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/ZWO-ASI183MM-Mono-1__27735.1596910050.1280.1280.jpg?v=1684341776"},{"product_id":"zwo-asi294mc-color","title":"ZWO ASI294MC Color","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e11.7 Megapixel 4\/3\" Sony IMX294 Color CMOS Sensor\u003c\/li\u003e\n\u003cli\u003e4.63µm Pixels and 63,700e Full Well Capacity\u003c\/li\u003e\n\u003cli\u003e19 FPS at Full 4144 x 2822 Resolution\u003c\/li\u003e\n\u003cli\u003eUltra-Low 1.2e Read Noise\u003c\/li\u003e\n\u003cli\u003eUSB 3.0 and ST-4 Guiding Ports\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eZWO ASI294MC USB 3.0 Color Astronomy Camera\u003c\/h2\u003e\n\u003cp\u003eThe ZWO ASI294MC combines the 11.7 MP Sony IMX294 sensor with high-speed USB 3.0 electronics, capturing full-resolution 4144 x 2822 frames at up to 19 FPS. Its 4.63µm pixels are ideal for sampling planetary detail on a wide range of telescopes, while the back-illuminated sensor's deep 63,700e full well and exceptionally low 1.2e read noise extract subtle color variations on Jupiter's cloud bands and Saturn's rings. This uncooled camera reaches 19 FPS in 12-bit mode (16 FPS with the full 14-bit ADC) over a 5Gbps USB 3.0 interface, making it a dedicated tool for high-framerate solar system imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSony 4\/3\" BSI Sensor with 63,700e- Full Well\u003c\/h3\u003e\n\u003cp\u003eAt the core of the ASI294MC is a large 4\/3\" Sony CMOS sensor with a 23.2mm diagonal, providing a generous field of view for framing the entire lunar disc or large solar prominences. The back-illuminated (BSI) architecture maximizes sensitivity by placing the sensor's wiring layer behind the photodiodes. This design, combined with a massive 63,700e- full well capacity and 1.2e read noise, yields a high dynamic range essential for capturing bright planetary limbs and faint atmospheric details in the same exposure without clipping highlights.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e19 FPS Capture for High-Resolution Planetary Imaging\u003c\/h3\u003e\n\u003cp\u003eThe ASI294MC is engineered for lucky imaging, a technique that freezes moments of steady atmospheric seeing. It streams full 11.7 MP frames at 19 FPS over its USB 3.0 port, allowing you to capture thousands of frames in a short period. This high-speed capture is critical for imaging targets like Jupiter, which rotates quickly, and ensures you have enough data to stack only the sharpest frames for a final, detail-rich image.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB 3.0 Interface:\u003c\/strong\u003e A 5Gbps bandwidth ensures the camera can operate at its maximum frame rate of 19 FPS without dropping frames.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eST-4 Guide Port:\u003c\/strong\u003e While primarily an imaging camera, the onboard ST-4 port allows it to double as a high-sensitivity guide camera for a secondary imaging rig.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectronic Rolling Shutter:\u003c\/strong\u003e Captures data sequentially across the sensor, which is ideal for astronomical targets that do not have rapid, inconsistent motion.\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eThe Uncooled Advantage: Simplicity and Portability\u003c\/h3\u003e\n\u003cp\u003eAs an uncooled camera, the ASI294MC has a significant advantage in weight, power simplicity, and cost. Weighing only 0.31 lbs and requiring no external 12V power supply, it runs entirely off the USB 3.0 port. This makes it an ideal grab-and-go planetary camera that minimizes cable clutter and power management at the telescope, getting you imaging faster. The trade-off is higher thermal noise on exposures longer than a few seconds, which firmly establishes its role as a specialist for short-exposure planetary, lunar, and solar work rather than long-exposure deep-sky imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eASI294MC vs. the Cooled ASI294MC Pro\u003c\/h3\u003e\n\u003cp\u003eThe primary distinction between this camera and its sibling, the ASI294MC Pro, is thermoelectric cooling. The Pro version is built for long-exposure deep-sky astrophotography, while this uncooled model is optimized for high-speed planetary work.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eASI294MC Pro Advantage:\u003c\/strong\u003e Regulated two-stage cooling dramatically reduces thermal noise, making it possible to take clean multi-minute exposures of faint nebulae and galaxies. It also includes a 256MB DDR3 buffer to ensure stable data transfer.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eASI294MC (Uncooled) Advantage:\u003c\/strong\u003e Significantly lower cost and complexity. It is lighter (0.31 lbs), draws less power, and requires no separate 12V DC input, making it a more portable and straightforward solution for capturing planets, the Moon, and the Sun (with a proper solar filter).\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the ZWO ASI294MC perform on Jupiter with an 8\" f\/10 SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis is an excellent pairing. For planetary imaging, the optimal focal ratio is typically 5 to 7 times the camera's pixel size. With the ASI294MC's 4.63µm pixels, your target focal ratio is between f\/23 and f\/32. On an f\/10 SCT, you would use a \u003cstrong\u003e2.5x or 3x Barlow lens\u003c\/strong\u003e to achieve this magnification, which will give you a well-resolved image of Jupiter's cloud bands and Great Red Spot under good seeing conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the ASI294MC for deep-sky objects like the Orion Nebula (M42)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, but with a specific technique. As an \u003cstrong\u003euncooled camera\u003c\/strong\u003e, the ASI294MC is susceptible to thermal noise on long exposures. However, its high sensitivity and low read noise make it excellent for Electronically-Assisted Astronomy (EAA) or \"live stacking.\" By taking many short exposures (e.g., 5-15 seconds) and stacking them in real-time, you can view bright deep-sky objects like the Orion Nebula (M42) or the Hercules Cluster (M13) without needing active cooling.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does an \"uncooled\" camera mean for my imaging?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAn uncooled camera like the ASI294MC does not have a thermoelectric cooling (TEC) system. This means the sensor's temperature will fluctuate with the ambient air temperature, generating thermal noise (a random electronic signal) during longer exposures. This makes it ideal for \u003cstrong\u003eshort-exposure \"lucky imaging\"\u003c\/strong\u003e of bright solar system objects where exposure times are fractions of a second, but less suitable for traditional long-exposure deep-sky astrophotography where exposures can last several minutes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat software do I need to use the ASI294MC?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe ZWO ASI294MC is compatible with a wide range of free and paid software on Windows, Mac, and Linux. For planetary imaging, popular choices include \u003cstrong\u003eFireCapture\u003c\/strong\u003e and \u003cstrong\u003eSharpCap\u003c\/strong\u003e for capturing video data. For post-processing and stacking the resulting video files, imagers commonly use \u003cstrong\u003eAutoStakkert!\u003c\/strong\u003e, \u003cstrong\u003eRegiStax\u003c\/strong\u003e, and WinJUPOS.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the ASI294MC require an external power supply?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. The ZWO ASI294MC is powered entirely through the included \u003cstrong\u003eUSB 3.0 cable\u003c\/strong\u003e. It does not have a port for an external 12V power supply, which simplifies its setup and makes it more portable compared to cooled cameras, which require a separate 12V power source to operate.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does \"Back-Illuminated Sensor (BSI)\" mean?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA Back-Illuminated Sensor (BSI) has its metal wiring layer moved behind the light-sensitive photodiode area. In traditional front-illuminated sensors, this wiring can obstruct some of the incoming light. By moving it out of the way, a BSI sensor achieves higher quantum efficiency (QE), meaning it converts a higher percentage of photons into a usable electronic signal. This results in cleaner, more sensitive images, especially in low-light conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003e4\/3\" Sony IMX294 Color CMOS (BSI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e4144 x 2822 (11.7 MP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel Size\u003c\/td\u003e\n\u003ctd\u003e4.63 µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Dimensions\u003c\/td\u003e\n\u003ctd\u003e19.1 mm x 13.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Diagonal\u003c\/td\u003e\n\u003ctd\u003e23.2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Frame Rate\u003c\/td\u003e\n\u003ctd\u003e19 FPS at 4144 x 2822 (12-bit) \/ 16 FPS (14-bit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Well Capacity\u003c\/td\u003e\n\u003ctd\u003e63,700e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead Noise\u003c\/td\u003e\n\u003ctd\u003e1.2e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNative Bit Depth\u003c\/td\u003e\n\u003ctd\u003e14-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShutter Type\u003c\/td\u003e\n\u003ctd\u003eElectronic Rolling Shutter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExposure Range\u003c\/td\u003e\n\u003ctd\u003e32 µs to 2000 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eROI Support\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Focus\u003c\/td\u003e\n\u003ctd\u003e17.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera Series\u003c\/td\u003e\n\u003ctd\u003eZWO ASI294\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eUncooled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuide Port\u003c\/td\u003e\n\u003ctd\u003eST-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComputer Interface\u003c\/td\u003e\n\u003ctd\u003eUSB 3.0 \/ USB 2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelescope Connection\u003c\/td\u003e\n\u003ctd\u003e1.25\", 2\", M42x0.75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera Window\u003c\/td\u003e\n\u003ctd\u003eAR Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-Camera Memory\u003c\/td\u003e\n\u003ctd\u003e192K byte user-accessible space\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking Temperature\u003c\/td\u003e\n\u003ctd\u003e-5°C to 45°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-20°C to 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking Humidity\u003c\/td\u003e\n\u003ctd\u003e20% to 80%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e62 mm x 36 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.31 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOS Compatibility\u003c\/td\u003e\n\u003ctd\u003eMac, Windows, Linux\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eZWO ASI294MC Camera Body\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eST4 Guide Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e2m USB 3.0 Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25\" Nosepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25\" Cover\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eQuick Guide\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.zwoastro.com\/software\/\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e \n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Software\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/zwo-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eZWO 2-Year Limited Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":44967420657949,"sku":"ZWO-ASI294MC","price":989.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/ZWO-ASI294MC-Color-1__82127.1596910052.1280.1280.jpg?v=1684341668"},{"product_id":"zwo-asi294mm-mono","title":"ZWO ASI294MM Mono","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e11.7 Megapixel 4\/3\" Monochrome Sony IMX492 Sensor\u003c\/li\u003e\n\u003cli\u003e4.63µm Pixels with 66ke- Full Well Capacity\u003c\/li\u003e\n\u003cli\u003ePeak Quantum Efficiency of ~90%\u003c\/li\u003e\n\u003cli\u003eExtremely Low Read Noise of 1.26e-\u003c\/li\u003e\n\u003cli\u003e19 FPS at Full 4144 x 2822 Resolution\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eZWO ASI294MM USB3.0 Monochrome Camera\u003c\/h2\u003e\n\u003cp\u003eThe ZWO ASI294MM combines a large 4\/3\" format Sony sensor with deep 66ke- full well capacity and ~90% peak quantum efficiency to deliver exceptional signal-to-noise performance for solar system imaging. Its 11.7 MP resolution captures expansive lunar mosaics and full-disc solar images, while the extremely low 1.26e- read noise ensures that faint planetary details are not lost in the background. At full 4144 x 2822 resolution, the camera transmits data at up to 19 FPS over its USB 3.0 interface, fast enough for lucky imaging during moments of steady seeing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSony IMX492 Sensor: ~90% QE and 1.26e- Read Noise\u003c\/h3\u003e\n\u003cp\u003eThe core of the ASI294MM is its back-illuminated Sony CMOS sensor, which achieves a peak quantum efficiency of approximately 90%. This extreme sensitivity means the camera captures nearly every photon that hits it, allowing you to use shorter exposures to freeze atmospheric turbulence. Paired with a readout noise floor as low as 1.26e-, the sensor maintains a high dynamic range, preserving subtle tonal variations in Jupiter's cloud bands and delicate structures in solar prominences.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSoftware-Unlocked Bin 1 Mode for 47MP Resolution\u003c\/h3\u003e\n\u003cp\u003eA unique feature of the ASI294MM is a software-selectable mode that unlocks the sensor's native resolution. In this mode, the camera operates with smaller effective pixels and a resolution of 47 megapixels. This provides a significant increase in image scale without changing your optical train, allowing you to resolve finer details on planetary surfaces. This mode is a powerful tool for imagers seeking the highest possible resolution when seeing conditions permit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eASI294MM Mono vs. One-Shot-Color Alternatives\u003c\/h3\u003e\n\u003cp\u003eThe primary advantage of the ASI294MM's monochrome sensor is its raw sensitivity. By removing the Bayer color filter array found on color cameras, it captures 100% of the incoming light at every pixel, avoiding the significant light loss inherent to color filter matrices. This translates directly to stronger signal and cleaner data per frame.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonochrome Advantage:\u003c\/strong\u003e Capturing in monochrome with separate LRGB filters consistently produces sharper, more detailed final images than a one-shot-color camera with the same sensor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne-Shot-Color Advantage:\u003c\/strong\u003e A color camera offers a much simpler workflow, capturing a full-color image in a single set of exposures without the need for a filter wheel. The trade-off for this convenience is lower per-pixel sensitivity and resolution compared to a monochrome setup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eUncooled Design for High-Speed Imaging\u003c\/h3\u003e\n\u003cp\u003eAs an uncooled camera, the ASI294MM is optimized for imaging techniques that rely on high frame rates and short exposures, typically under a few seconds. This makes it a specialist for lunar, solar, and planetary work where thousands of frames are captured in minutes. For long-exposure deep-sky imaging of faint nebulae, where thermal noise from the sensor becomes a limiting factor, a cooled camera is the recommended tool.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e19 FPS Data Transfer with USB 3.0 and ST-4 Guiding\u003c\/h3\u003e\n\u003cp\u003eTo handle the massive amount of data generated by the 11.7 MP sensor, the ASI294MM uses a USB 3.0 interface capable of sustaining a full-resolution frame rate of 19 FPS. This ensures you never miss a moment of stable seeing. The camera also includes a standard ST-4 guide port, allowing its high sensitivity to be used for autoguiding on faint stars when not being used as a primary imager.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the main advantage of the ZWO ASI294MM's 4\/3\" sensor?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe large 4\/3\" sensor, with a 23.2mm diagonal, provides a much wider field of view than smaller planetary cameras. This allows you to capture the entire lunar disc or create large solar mosaics with fewer panels, streamlining the acquisition process for large targets.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat Barlow lens is best for the ASI294MM with an 8\" f\/10 Schmidt-Cassegrain?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor planetary imaging, the optimal focal ratio is typically 5 to 7 times the camera's pixel size. With the ASI294MM's 4.63µm pixels, the target focal ratio is between f\/23 and f\/32. On an f\/10 SCT, a \u003cstrong\u003e2.5x Barlow\u003c\/strong\u003e is an excellent match to achieve the ideal image scale for Jupiter or Saturn under good seeing conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the uncooled ASI294MM to image the Horsehead Nebula (Barnard 33)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile the ASI294MM is extremely sensitive, it is uncooled, so thermal noise will accumulate during the long, multi-minute exposures required for a faint target like the Horsehead Nebula. It is best suited for \"lucky imaging\" of brighter deep-sky objects or planetary nebulae using many short exposures. For faint, extended nebulosity, a cooled camera is strongly recommended.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does the ASI294MM's software-unlocked Bin 1 mode do?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis mode reconfigures the sensor to use its native pixel array, resulting in a resolution of 47 megapixels with an effective pixel size of 2.3µm. This is ideal for high-resolution planetary imaging when seeing is excellent, as it increases the image scale and potential for fine detail without requiring a stronger Barlow lens.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eShould I buy the ASI294MM mono or a one-shot-color camera to start?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA one-shot-color camera is simpler for beginners, providing a full-color result with a single capture session. The ASI294MM mono offers superior sensitivity and ultimate resolution but requires a filter wheel, filters, and a more involved image processing workflow to create a color image. If your goal is the highest possible image quality, mono is the path.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the 14-bit ADC on the ASI294MM affect my images?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe native 14-bit Analog-to-Digital Converter (ADC) allows the camera to capture 16,384 distinct tonal levels. This high bit depth provides smoother gradients and more data to work with during processing, helping to reveal subtle details in bright areas like Jupiter's Great Red Spot without blowing out highlights.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eZWO-ASI294MM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eZWO ASI294\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Type\u003c\/td\u003e\n\u003ctd\u003eSony IMX492 4\/3\" BSI CMOS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e4144 x 2822 (11.7 MP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel Size\u003c\/td\u003e\n\u003ctd\u003e4.63 µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Dimensions\u003c\/td\u003e\n\u003ctd\u003e19.2mm x 13mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Diagonal\u003c\/td\u003e\n\u003ctd\u003e23.2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantum Efficiency (Peak)\u003c\/td\u003e\n\u003ctd\u003e~ 90%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Well Capacity\u003c\/td\u003e\n\u003ctd\u003e66ke-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead Noise\u003c\/td\u003e\n\u003ctd\u003e1.26e- to 8e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBit Depth\u003c\/td\u003e\n\u003ctd\u003e14-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Frame Rate\u003c\/td\u003e\n\u003ctd\u003e19 FPS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShutter Type\u003c\/td\u003e\n\u003ctd\u003eElectronic Rolling Shutter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExposure Range\u003c\/td\u003e\n\u003ctd\u003e32µs - 2000s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera Type\u003c\/td\u003e\n\u003ctd\u003eMonochrome, Uncooled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComputer Interface\u003c\/td\u003e\n\u003ctd\u003eUSB 3.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuide Port\u003c\/td\u003e\n\u003ctd\u003eST-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelescope Connection\u003c\/td\u003e\n\u003ctd\u003eM42x0.75 Female Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Focus\u003c\/td\u003e\n\u003ctd\u003e6.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera Window\u003c\/td\u003e\n\u003ctd\u003eAR Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2 Years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eZWO ASI294MM Camera Body\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eQuick Guide\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25\" Cover\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e2\" Cover\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eT2 - 1.25\" Adapter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25\" Nosepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eUSB 3.0 Cable (2m)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eST4 Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.zwoastro.com\/software\/\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e \n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Software\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/zwo-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eZWO 2-Year Limited Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":44967764328733,"sku":"ZWO-ASI294MM","price":1409.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/ZWO-ASI1600MM-Mono-1__54828.1609515266.1280.1280.jpg?v=1684345814"},{"product_id":"zwo-asi482mc-color","title":"ZWO ASI482MC Color","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eSony IMX482 1\/1.2” CMOS Color Sensor\u003c\/li\u003e\n\u003cli\u003e1920x1080 Resolution at up to 82.5 FPS\u003c\/li\u003e\n\u003cli\u003eLarge 5.8µm Pixels for High Sensitivity\u003c\/li\u003e\n\u003cli\u003e51,500e Full Well Capacity\u003c\/li\u003e\n\u003cli\u003eUltra-Low 1.5e Read Noise\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eZWO ASI482MC Color CMOS Camera\u003c\/h2\u003e\n\u003cp\u003eThe ZWO ASI482MC combines a high-sensitivity 1920x1080 Sony IMX482 sensor with massive 5.8µm pixels to deliver exceptional performance on planetary, lunar, and solar targets. Its remarkable 51,500e full well capacity prevents overexposure on bright subjects like Jupiter's core, while an ultra-low read noise of 1.5e and peak QE of 85% ensure faint details are captured cleanly. This camera captures full-resolution frames at up to 82.5 FPS, giving you the speed needed to freeze moments of steady seeing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eHigh Sensitivity from 5.8µm Pixels\u003c\/h3\u003e\n\u003cp\u003eThe core strength of the ASI482MC lies in its large 5.8µm pixels. This generous pixel size provides a significant light-gathering advantage over smaller-pixel planetary cameras, resulting in a higher signal-to-noise ratio in shorter exposures. This makes the ASI482MC particularly effective for capturing detail on dimmer planets like Saturn and Mars, and it excels in \"lucky imaging\" of brighter deep-sky objects where short exposures are stacked to overcome atmospheric turbulence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e51.5k Full Well \u0026amp; 12-bit ADC\u003c\/h3\u003e\n\u003cp\u003eUnlike many planetary cameras that struggle with bright targets, the ASI482MC features an enormous 51,500e full well capacity. This prevents bright regions, such as Jupiter's Galilean moons or lunar highlands, from saturating, preserving detail and color gradation across the entire target. Combined with its 12-bit ADC, the camera renders smooth, artifact-free images with a wide dynamic range, capturing subtle tonal variations in planetary cloud bands and solar granulation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHCG Mode:\u003c\/strong\u003e At a gain setting of 80 and above, High Conversion Gain mode automatically activates. This drastically reduces read noise to as low as 1.5e while preserving the camera's wide dynamic range, perfect for low-light imaging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Frame Rates:\u003c\/strong\u003e The USB 3.0 interface provides enough bandwidth to run the ASI482MC at 57.5 fps at full 1920x1080 resolution with 12-bit depth, or 82.5 fps using the 10-bit high-speed mode.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eIdeal for EAA and Long Focal Lengths\u003c\/h3\u003e\n\u003cp\u003eThe ASI482MC's high sensitivity and large sensor make it an excellent choice for Electronically Assisted Astronomy (EAA). You can achieve near-real-time views of brighter galaxies and nebulae by live-stacking short exposures. Its 5.8µm pixels are also an ideal match for long focal length telescopes like Schmidt-Cassegrains and Maksutovs, providing an optimal image scale for high-resolution planetary imaging without requiring excessive Barlow magnification.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eConnectivity \u0026amp; Mechanical Design\u003c\/h3\u003e\n\u003cp\u003eThe ASI482MC is built for reliability and ease of use in any imaging setup. The high-speed USB 3.0 port ensures fast data transfer, while the ST4 port allows the camera to double as a high-performance autoguider for a deep-sky imaging rig. The camera body includes a standard 1.25\" nosepiece for direct connection to focusers and accessories, and features an AR-coated window to protect the sensor and maximize light transmission.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the ZWO ASI482MC better for planetary or deep-sky imaging?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe ZWO ASI482MC is primarily a high-performance planetary, lunar, and solar camera. Its strengths, high frame rate, large pixels, and massive full well capacity, are optimized for capturing bright, high-magnification targets. However, its exceptional sensitivity also makes it very capable for \"lucky imaging\" of brighter deep-sky objects like globular clusters (M13) and planetary nebulae (M57), as well as for Electronically Assisted Astronomy (EAA).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the ASI482MC perform on Jupiter with an 8\" f\/10 SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe ASI482MC is an excellent match for an 8\" f\/10 SCT. The 5.8µm pixels produce a good image scale at the native f\/10 focal length. For optimal planetary imaging, which targets a focal ratio between f\/15 and f\/21 with this pixel size, you would use a 1.5x or 2x Barlow lens. This combination will provide high-resolution views of Jupiter's Great Red Spot and cloud bands, while the camera's high frame rate helps freeze moments of good seeing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is HCG (High Conversion Gain) mode on the ASI482MC?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eHCG mode is a feature that automatically activates when you set the camera's gain to 80 or higher. It changes how the sensor converts light into a signal, drastically reducing read noise to as low as 1.5 electrons. This allows you to use high gain settings to capture fainter details without introducing significant noise, all while maintaining a wide dynamic range.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need an IR Cut filter with the ZWO ASI482MC?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, for the most accurate color balance, an IR Cut filter is recommended. The ASI482MC has high sensitivity into the infrared spectrum. While its protective window is AR-coated, it does not block IR light. An IR Cut filter will ensure that only visible light reaches the sensor, resulting in sharper images and more natural colors, which is especially important for planetary imaging with refractor or SCT telescopes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the ASI482MC as a guide camera?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The ZWO ASI482MC includes a standard ST4 guide port and has the sensitivity needed to be a very effective autoguider. Its large pixels can detect guide stars easily, making it a versatile tool for both planetary imaging and guiding a separate deep-sky astrophotography setup.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does the 51,500e full well capacity mean in practice?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe 51,500e full well capacity means each of the camera's 5.8µm pixels can hold a large amount of charge before becoming saturated (turning pure white). This is a significant advantage when imaging targets with a high dynamic range, like the Moon or Jupiter. It allows you to use longer exposures to capture faint details, like wispy lunar rays, without blowing out the highlights on the brighter surfaces.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003e1\/1.2\" Sony IMX482 CMOS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e1920 x 1080 (2.07 MP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel Size\u003c\/td\u003e\n\u003ctd\u003e5.8µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Dimensions\u003c\/td\u003e\n\u003ctd\u003e11.13mm x 6.26mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Diagonal\u003c\/td\u003e\n\u003ctd\u003e12.86mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Frame Rate\u003c\/td\u003e\n\u003ctd\u003e82.5 fps (10-bit) \/ 57.5 fps (12-bit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Well Capacity\u003c\/td\u003e\n\u003ctd\u003e51,500e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead Noise\u003c\/td\u003e\n\u003ctd\u003e1.5e to 12.9e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantum Efficiency (Peak)\u003c\/td\u003e\n\u003ctd\u003e85% at 530nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eADC\u003c\/td\u003e\n\u003ctd\u003e12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShutter\u003c\/td\u003e\n\u003ctd\u003eRolling Shutter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Focus\u003c\/td\u003e\n\u003ctd\u003e6.5mm \/ 17.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Interface\u003c\/td\u003e\n\u003ctd\u003eUSB 3.0 \/ USB 2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuide Port\u003c\/td\u003e\n\u003ctd\u003eST4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtective Window\u003c\/td\u003e\n\u003ctd\u003eAR Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eASI482MC Camera Body\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e2-meter USB 3.0 Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eST4 Autoguider Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25\" Nosepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25\" Dust Cap\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e2\" Dust Cover\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eQuick Start Guide\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.zwoastro.com\/software\/\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e \n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Software\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/zwo-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eZWO 2-Year Limited Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":44967948812573,"sku":"ZWO-ASI482MC","price":416.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/ZWO-ASI482MC-1__37611.1638989292.1280.1280.jpg?v=1684347230"},{"product_id":"zwo-asi432mm-mono","title":"ZWO ASI432MM Mono","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e1.1\" Sony IMX432 Monochrome Sensor\u003c\/li\u003e\n\u003cli\u003eLarge 9µm Pixels\u003c\/li\u003e\n\u003cli\u003eMassive 97ke- Full Well Capacity\u003c\/li\u003e\n\u003cli\u003e120 FPS at Full 1.7 MP Resolution\u003c\/li\u003e\n\u003cli\u003eElectronic Global Shutter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eZWO ASI432MM USB3.0 Monochrome Astronomy Camera\u003c\/h2\u003e\n\u003cp\u003eThe ZWO ASI432MM is engineered specifically for high-resolution solar and lunar imaging, built around a large 1.1\" Sony CMOS sensor with a 1608 x 1104 resolution. Its massive 9µm pixels and an exceptionally deep 97ke- full well capacity capture incredible dynamic range on the brightest targets without saturation. The camera sustains a full-resolution frame rate of 120 FPS over USB 3.0, while a peak QE of 79% and 2.4e read noise ensure faint prominence details are not lost.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eEngineered for Solar: 9µm Pixels and a 97ke- Full Well\u003c\/h3\u003e\n\u003cp\u003eThe ASI432MM's specifications are a direct solution to the challenges of solar imaging. The large 9µm pixels are ideally suited for longer focal length solar telescopes, providing optimal sampling of fine granulation and filamentary detail without needing an aggressive Barlow. The 97ke- full well depth is critical for preventing clipped highlights in high-contrast regions, allowing you to record the bright surface and faint prominences in the same exposure with its native 12bit ADC.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e120 FPS Global Shutter for Flawless Transits\u003c\/h3\u003e\n\u003cp\u003eAn Electronic Global Shutter ensures the entire 1.7 MP sensor is read out simultaneously, eliminating the distortion artifacts that rolling shutters produce during moments of poor seeing. This is essential for planetary and solar \"lucky imaging,\" freezing atmospheric turbulence to produce sharp, coherent frames. At a maximum rate of 120 FPS, you can capture thousands of frames in minutes, dramatically increasing the odds of catching moments of perfect stability for stacking.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eASI432MM vs. ASI174MM: A 1.1\" Sensor Upgrade\u003c\/h3\u003e\n\u003cp\u003eThe ASI432MM is the direct successor to the venerable ASI174MM, building on its legacy with key improvements for solar and lunar imagers. While the ASI174MM remains a capable performer, the ASI432MM's newer sensor technology delivers a significant advantage in field of view and dynamic range.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Size:\u003c\/strong\u003e The ASI432MM uses a 1.1\" format sensor (17.55mm diagonal), which is substantially larger than the 1\/1.2\" sensor in the ASI174MM. This provides a wider field of view at the same focal length, making it easier to frame the entire solar or lunar disk.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Well Capacity:\u003c\/strong\u003e At 97ke-, the ASI432MM's full well is nearly three times deeper than the ASI174MM's. This translates directly to higher dynamic range and less risk of saturated pixels on bright targets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePixel Size:\u003c\/strong\u003e The 9µm pixels of the ASI432MM are larger than the 5.86µm pixels of the ASI174MM, offering higher sensitivity and a better image scale for long focal length instruments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eMechanical Design: 6.5mm\/17.5mm Back Focus and Connectivity\u003c\/h3\u003e\n\u003cp\u003eThe camera body provides flexible mounting options for any imaging train. It features native M42x0.75 threads and offers two distinct back focus distances: 6.5mm and 17.5mm, accommodating setups with or without a filter wheel. The package includes a 1.25\" nosepiece for direct connection to standard focusers. A USB 3.0 port provides the 5Gb bandwidth needed for high-speed data transfer, and an ST-4 guide port allows the ASI432MM to be used as a highly sensitive autoguider for other setups.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy are the ASI432MM's 9µm pixels good for solar imaging?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eLarge 9µm pixels are ideal for the long focal lengths typical of dedicated solar telescopes (like Lunt or Coronado). They provide a more forgiving image scale, making it easier to achieve critical focus and resolve fine details like solar granulation and spicules without requiring an aggressive, image-dimming Barlow lens.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is a \"global shutter\" and why does the ZWO ASI432MM have one?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA \u003cstrong\u003eglobal shutter\u003c\/strong\u003e exposes and reads out every pixel on the sensor at the exact same time. This is critical for imaging objects through atmospheric turbulence. A standard \"rolling shutter\" reads the sensor line by line, which can cause warping or distortion in moments of poor seeing. The ASI432MM's global shutter ensures every frame is geometrically perfect and free of such artifacts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the ZWO ASI432MM for deep-sky imaging?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile possible for very bright deep-sky objects, the ASI432MM is an \u003cstrong\u003euncooled\u003c\/strong\u003e camera, which is its main trade-off. For the short exposures used in solar, lunar, and planetary imaging, thermal noise is not an issue. However, for long-exposure deep-sky astrophotography, thermal noise will accumulate and degrade the image. A dedicated cooled camera like a ZWO ASI533MC Pro would be a better choice for nebulae and galaxies.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the ASI432MM compare to the older ASI174MM?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe ASI432MM is a direct upgrade. Its key advantages are a larger \u003cstrong\u003e1.1\" sensor\u003c\/strong\u003e for a wider field of view and a much deeper \u003cstrong\u003e97ke- full well capacity\u003c\/strong\u003e, which is almost three times that of the ASI174MM. This provides superior dynamic range, preventing bright areas from saturating while capturing faint details.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow would the ASI432MM frame the full solar disk in a Coronado PST?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA Coronado PST has a 400mm focal length. The ASI432MM's 1.1\" sensor (14.5mm x 9.9mm) is large enough to comfortably frame the entire solar disk at this focal length. This makes it an excellent choice for capturing full-disk mosaics or single-shot images of the Sun's surface and any surrounding prominences without needing a focal reducer.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat do the 6.5mm and 17.5mm back focus options on the ASI432MM let me do?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThese two built-in back focus distances add connection flexibility. The \u003cstrong\u003e17.5mm\u003c\/strong\u003e distance is the standard for use with accessories like filter wheels and off-axis guiders that require this specific spacing. The shorter \u003cstrong\u003e6.5mm\u003c\/strong\u003e distance is useful for configurations where you need the camera sensor as close to the telescope optics as possible, such as with some focal reducers or custom adapters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003e1.1\" Sony IMX432 FSI CMOS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e1608 x 1104 (1.7 MP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel Size\u003c\/td\u003e\n\u003ctd\u003e9µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Dimensions\u003c\/td\u003e\n\u003ctd\u003e14.5mm x 9.9mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Diagonal\u003c\/td\u003e\n\u003ctd\u003e17.55mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShutter Type\u003c\/td\u003e\n\u003ctd\u003eElectronic Global Shutter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Frame Rate\u003c\/td\u003e\n\u003ctd\u003e120 FPS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Well Capacity\u003c\/td\u003e\n\u003ctd\u003e97ke-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead Noise\u003c\/td\u003e\n\u003ctd\u003e2.4e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantum Efficiency (Peak)\u003c\/td\u003e\n\u003ctd\u003e79%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBit Depth\u003c\/td\u003e\n\u003ctd\u003e12bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExposure Range\u003c\/td\u003e\n\u003ctd\u003e32μs to 2000s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmp Glow Control\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera Type\u003c\/td\u003e\n\u003ctd\u003eMonochrome, Uncooled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eUSB 3.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuide Port\u003c\/td\u003e\n\u003ctd\u003eST-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Focus\u003c\/td\u003e\n\u003ctd\u003e6.5mm \/ 17.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelescope Connection\u003c\/td\u003e\n\u003ctd\u003eM42x0.75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera Window\u003c\/td\u003e\n\u003ctd\u003eAR Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.28 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-5℃ to 50℃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-10℃ to 60℃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Humidity\u003c\/td\u003e\n\u003ctd\u003e20-80%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOS Compatibility\u003c\/td\u003e\n\u003ctd\u003eWindows, Linux, Mac OSX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eZWO-ASI432MM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eZWO ASI432\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eASI432MM Camera Body\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25\" Nosepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eT2 Tilter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e2m USB 3.0 Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eST-4 Guide Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25\" Cover\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e2\" Cover\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eQuick Guide\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.zwoastro.com\/software\/\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e \n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Software\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/zwo-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eZWO 2-Year Limited Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":44968011104541,"sku":"ZWO-ASI432MM","price":849.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/ZWO-ASI432MM-Mono-1__31764.1656258086.1280.1280.jpg?v=1684347837"},{"product_id":"zwo-asi662mc-color","title":"ZWO ASI662MC Color","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e2.1 Megapixel Sony IMX662 BSI Sensor\u003c\/li\u003e\n\u003cli\u003e1920 x 1080 Resolution with 2.9µm Pixels\u003c\/li\u003e\n\u003cli\u003e91% Peak Quantum Efficiency\u003c\/li\u003e\n\u003cli\u003eUltra-Low 0.8e Read Noise\u003c\/li\u003e\n\u003cli\u003e107.6 FPS at Full Resolution\u003c\/li\u003e\n\u003cli\u003eZero Amplifier Glow Circuitry\u003c\/li\u003e\n\u003cli\u003e256MB DDR3 Internal Buffer\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eZWO ASI662MC USB3.0 Color Astronomy Camera\u003c\/h2\u003e\n\u003cp\u003eThe ZWO ASI662MC combines a 2.1 MP Sony IMX662 back-illuminated sensor with 2.9µm pixels to resolve fine detail on planetary targets. Its exceptional 91% peak quantum efficiency and ultra-low 0.8e read noise capture faint atmospheric features, while the deep 38.2ke full well prevents bright planetary cores from saturating. A 256MB DDR3 buffer sustains a capture rate of 107.6 FPS over USB 3.0, ensuring no dropped frames during critical moments of stable seeing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSony STARVIS 2 Sensor with 91% Peak QE\u003c\/h3\u003e\n\u003cp\u003eAt the core of the ASI662MC is Sony's latest STARVIS 2 sensor technology, which delivers a peak quantum efficiency of 91% and heightened sensitivity in near-infrared wavelengths. This back-illuminated structure maximizes photon collection for a stronger signal. The sensor's 38.2ke full well capacity is a significant advantage for planetary imaging, allowing you to use longer exposures on targets like Jupiter and Saturn without blowing out highlights, retaining color data and detail in the brightest regions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eZero Amp Glow \u0026amp; 0.8e Read Noise for Cleaner Data\u003c\/h3\u003e\n\u003cp\u003eThe ASI662MC integrates circuitry that completely eliminates amplifier glow, a common source of noise in CMOS sensors. This means your raw video files are free of glow from the start, simplifying your calibration and processing. Combined with a read noise of just 0.8e, the camera preserves faint, low-contrast details like Martian dust storms or subtle banding on Saturn, even with the very short exposures used in lucky imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eASI662MC vs. ASI462MC: A Generational Leap\u003c\/h3\u003e\n\u003cp\u003eWhile the preceding ASI462MC was renowned for its high infrared sensitivity, the ASI662MC marks a major upgrade in core imaging fundamentals. The most critical improvement is in dynamic range, driven by a much deeper full well and lower noise.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Well Capacity:\u003c\/strong\u003e The ASI662MC has a full well of 38.2ke, more than three times deeper than the ASI462MC's 11.2ke. This dramatically reduces the risk of overexposing bright targets and provides smoother tonal gradations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmplifier Glow:\u003c\/strong\u003e The ASI662MC features a true zero-amp-glow design, a significant advantage over the ASI462MC which exhibited some glow that required calibration frames to remove.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRead Noise:\u003c\/strong\u003e With read noise as low as 0.8e, the ASI662MC captures cleaner data with a better signal-to-noise ratio, making it easier to pull out fine details during processing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e107.6 FPS Capture with a 256MB DDR3 Buffer\u003c\/h3\u003e\n\u003cp\u003eTo freeze moments of perfect atmospheric seeing, high-speed capture is essential. The ASI662MC streams full-resolution 1920x1080 video at 107.6 frames per second. The onboard 256MB DDR3 memory buffer ensures stable data transfer to your computer over USB 3.0, preventing dropped frames that can compromise your data set. Standard connectivity, including an ST-4 guide port and M42 threads, allows the camera to integrate easily into any imaging train.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the ZWO ASI662MC perform on Jupiter with an 8\" f\/10 SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe ZWO ASI662MC is an excellent match for an 8\" f\/10 SCT. To achieve the ideal image scale for its 2.9µm pixels, you should target a final focal ratio between f\/15 and f\/21. This is perfectly accomplished by adding a 1.5x or 2x Barlow lens to your f\/10 optical train, which will allow you to resolve fine details like the Great Red Spot and intricate cloud bands.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the ZWO ASI662MC for imaging the Orion Nebula (M42)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, but with limitations. The ASI662MC's high sensitivity makes it suitable for electronically-assisted astronomy (EAA) or short exposures on bright deep-sky objects like the Orion Nebula (M42) or the Hercules Cluster (M13). However, as an uncooled camera, thermal noise will become apparent on exposures longer than a few seconds. Its small 1\/2.8\" sensor also provides a very narrow field of view, making it better for smaller galaxies and planetary nebulae than large, extended targets.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the main advantage of the ASI662MC over the older ASI462MC?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe primary advantage is its significantly larger \u003cstrong\u003e38.2ke full well capacity\u003c\/strong\u003e, which is more than three times that of the ASI462MC. This provides greater dynamic range, preventing overexposure on bright planets and moons. A second key benefit is the \u003cstrong\u003ezero amplifier glow circuitry\u003c\/strong\u003e, which produces cleaner raw data that is easier to calibrate.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does 'Zero Amp Glow' on the ASI662MC mean for my workflow?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eZero amp glow means the camera's circuitry prevents the sensor from producing a bright, noisy pattern on the edge of the frame during operation. For planetary imaging with its short exposures, this simplifies your workflow: there is no glow pattern to remove, so calibration is easier and faster, saving you time both at the telescope and during processing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need a USB 3.0 port to use the ZWO ASI662MC?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile the camera is backward-compatible with USB 2.0, a USB 3.0 port is highly recommended to take full advantage of its capabilities. Using USB 3.0 is necessary to achieve the maximum frame rate of 107.6 FPS. On a USB 2.0 connection, frame rates will be significantly lower, which limits your ability to capture enough frames during moments of good seeing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the ZWO ASI662MC a good choice for a beginner in planetary imaging?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, it's an excellent choice. Its high sensitivity, low read noise, and zero amp glow make it very forgiving for a beginner. You can achieve high-quality results with a simplified workflow, allowing you to focus on capture techniques rather than complex calibration procedures.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003e1\/2.8\" Sony IMX662 CMOS (Color)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIllumination\u003c\/td\u003e\n\u003ctd\u003eBSI (Back-Illuminated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e1920 x 1080 (2.1 MP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel Size\u003c\/td\u003e\n\u003ctd\u003e2.9µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Dimensions\u003c\/td\u003e\n\u003ctd\u003e5.6mm x 3.1mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Diagonal\u003c\/td\u003e\n\u003ctd\u003e6.45mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantum Efficiency (Peak)\u003c\/td\u003e\n\u003ctd\u003e91%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Well Capacity\u003c\/td\u003e\n\u003ctd\u003e38.2ke-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead Noise\u003c\/td\u003e\n\u003ctd\u003e0.8e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmp Glow Control\u003c\/td\u003e\n\u003ctd\u003eZero Amplifier Glow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Frame Rate\u003c\/td\u003e\n\u003ctd\u003e107.6 FPS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBit Depth\u003c\/td\u003e\n\u003ctd\u003e12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuffer\u003c\/td\u003e\n\u003ctd\u003e256MB DDR3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExposure Range\u003c\/td\u003e\n\u003ctd\u003e32µs to 2000s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShutter Type\u003c\/td\u003e\n\u003ctd\u003eElectronic Rolling Shutter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eROI Support\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eUncooled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComputer Interface\u003c\/td\u003e\n\u003ctd\u003eUSB 3.0 \/ USB 2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuide Port\u003c\/td\u003e\n\u003ctd\u003eST-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelescope Connection\u003c\/td\u003e\n\u003ctd\u003eM42x0.75 Thread, 1.25\" Nosepiece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Focus\u003c\/td\u003e\n\u003ctd\u003e12.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera Window\u003c\/td\u003e\n\u003ctd\u003eAR Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-5°C to 50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-10°C to 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Humidity\u003c\/td\u003e\n\u003ctd\u003e20% to 80%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.28 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOS Compatibility\u003c\/td\u003e\n\u003ctd\u003eWindows, Mac, Linux\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eZWO ASI662MC Camera Body\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25\" Nosepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25\" Cover\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eUSB 3.0 Cable (2m)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eST-4 Autoguider Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eQuick Start Guide\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.zwoastro.com\/software\/\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e \n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Software\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/zwo-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eZWO 2-Year Limited Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":44968015954205,"sku":"ZWO-ASI662MC","price":279.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/ZWO-ASI662MC-1__75835.1656258904.1280.1280.jpg?v=1684347901"},{"product_id":"zwo-asi678mc-color","title":"ZWO ASI678MC Color","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e8.29 Megapixel Sony IMX678 Color Sensor\u003c\/li\u003e\n\u003cli\u003e2.0µm pixels for high-resolution planetary imaging\u003c\/li\u003e\n\u003cli\u003e47.5 FPS at full 3840x2160 resolution\u003c\/li\u003e\n\u003cli\u003eZero amp glow for clean, long exposures\u003c\/li\u003e\n\u003cli\u003e256MB DDR3 buffer for stable, high-speed data transfer\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eZWO ASI678MC Color CMOS Camera\u003c\/h2\u003e\n\u003cp\u003eThe ZWO ASI678MC leverages Sony's latest STARVIS 2 technology to deliver exceptional planetary, lunar, and solar detail. Its 8.29 MP IMX678 sensor, with small 2.0µm pixels, achieves high-resolution captures at a rapid 47.5 FPS, while the 12bit ADC and extremely low 0.6e read noise ensure a high dynamic range. A peak Quantum Efficiency of 83% and zero amp glow circuitry combine to produce clean, high-contrast images, even on faint targets or during longer exposures.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSony IMX678 Sensor with 2.0µm Pixels\u003c\/h3\u003e\n\u003cp\u003eAt the core of the ASI678MC is a 1\/1.8\" format Sony IMX678 sensor, which provides a 3840x2160 resolution ideal for capturing fine surface details on Jupiter, Saturn's rings, and lunar craters. The small 2.0µm pixel size is a critical factor for achieving optimal sampling on long focal length telescopes, allowing you to resolve intricate features without excessive use of Barlow lenses. This back-illuminated sensor architecture also provides outstanding sensitivity, especially in the near-infrared, giving you a distinct advantage when imaging planets with methane band or IR-pass filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eZero Amp Glow \u0026amp; 47.5 FPS Capture Rate\u003c\/h3\u003e\n\u003cp\u003eA standout feature implemented at the hardware level, the ASI678MC exhibits absolutely zero amplifier glow, regardless of exposure length or gain settings. This guarantees clean calibration and removes a major source of noise from your final images, a significant upgrade over previous generation sensors. The camera sustains a maximum frame rate of 47.5 FPS at its full 8.29 MP resolution, enabled by a high-speed USB 3.0 interface and a 256MB DDR3 buffer that prevents dropped frames during critical moments of steady seeing.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo Amp Glow:\u003c\/strong\u003e Cleaner dark frames and less post-processing complexity, even with higher gain settings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e256MB DDR3 Buffer:\u003c\/strong\u003e Ensures stable, high-speed data transmission to your computer, eliminating frame drops during capture sessions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Conversion Gain (HCG) Mode:\u003c\/strong\u003e Automatically activates at gain 182 to reduce read noise to about 1.0e, preserving dynamic range at high gain.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eZWO ASI678MC vs. ASI585MC\u003c\/h3\u003e\n\u003cp\u003eWhile both cameras share the same 4K resolution, the ASI678MC and ASI585MC are optimized for different primary use cases. The choice depends on your telescope and primary imaging targets.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eASI585MC Advantage:\u003c\/strong\u003e The ASI585MC has a larger sensor and bigger 2.9µm pixels, giving it a significantly larger field of view and a deeper full well capacity (40ke vs 11.27ke). This makes it more versatile for capturing not just planets, but also brighter deep-sky objects like the Orion Nebula (M42).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eASI678MC Advantage:\u003c\/strong\u003e The ASI678MC's smaller sensor and 2.0µm pixels provide a more magnified image scale, which is ideal for framing planets without needing aggressive barlowing. This makes it a more specialized and efficient tool for high-resolution planetary, lunar, and solar imaging.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eConnectivity and Build\u003c\/h3\u003e\n\u003cp\u003eThe ASI678MC is housed in a compact, lightweight body weighing only 126g. It features a standard M42x0.75 female thread for connection to your telescope, with a 1.25\" nosepiece included for use with standard focusers. The camera provides both a high-speed USB 3.0 port for data transfer and an ST-4 guide port, allowing it to double as a highly sensitive autoguider when not being used for primary imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the ZWO ASI678MC good for deep-sky objects?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile the ZWO ASI678MC can capture brighter deep-sky objects like the Orion Nebula (M42) or the Hercules Cluster (M13), its primary design is for high-frame-rate planetary, lunar, and solar imaging. Its small pixels and sensor size are optimized for high magnification. For a more versatile camera better suited for a wider range of DSOs, consider the ZWO ASI585MC with its larger sensor and deeper full well capacity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat focal ratio is best for the ASI678MC's 2.0µm pixels?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor optimal planetary imaging, a good target focal ratio is 5 to 7 times the pixel size. For the ASI678MC's 2.0µm pixels, this means an ideal focal ratio is between f\/10 and f\/14. If you have an f\/5 Newtonian, a 2x or 2.5x Barlow lens would place you in the ideal range. For an f\/10 SCT, you can often image directly without a Barlow, or use a 1.5x Barlow in very good seeing conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the ASI678MC require dark frames?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThanks to its hardware-level \u003cstrong\u003ezero amp glow\u003c\/strong\u003e design, the need for dark frames is significantly reduced, especially for short-exposure planetary imaging. However, for longer exposures on brighter deep-sky objects, taking dark frames is still a best practice to remove warm pixels and minimize dark current noise for the cleanest possible image.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the difference between the ZWO ASI678MC and the older ASI178MC?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe ZWO ASI678MC is a direct upgrade to the ASI178MC. The key improvements are:\n\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eZero Amp Glow:\u003c\/strong\u003e The ASI678MC has no amp glow, a significant improvement over the ASI178MC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLower Read Noise:\u003c\/strong\u003e It features a lower minimum read noise (0.6e vs. 1.4e), resulting in cleaner images at high gain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSTARVIS 2 Technology:\u003c\/strong\u003e The newer sensor has enhanced sensitivity, particularly in near-infrared light.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the ZWO ASI678MC as a guide camera?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The ZWO ASI678MC is equipped with an ST-4 guide port and its high sensitivity makes it an excellent autoguiding camera. Its small pixels can detect minute star movements, leading to very precise guiding corrections.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat do I need to use the ASI678MC for solar imaging?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eTo safely image the Sun with the ZWO ASI678MC, you MUST use a certified, full-aperture solar filter over the front of your telescope. Never point your telescope at the Sun without a proper filter, as it will cause immediate and permanent damage to the camera sensor and your eyes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003e1\/1.8” CMOS Sony IMX678\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e8.29 MP (3840 x 2160)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel Size\u003c\/td\u003e\n\u003ctd\u003e2.0µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Well Depth\u003c\/td\u003e\n\u003ctd\u003e11.27ke\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Frame Rate\u003c\/td\u003e\n\u003ctd\u003e47.5 FPS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShutter Type\u003c\/td\u003e\n\u003ctd\u003eElectronic Rolling Shutter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExposure Range\u003c\/td\u003e\n\u003ctd\u003e32µs - 2000s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead Noise\u003c\/td\u003e\n\u003ctd\u003e0.6e - 2.7e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantum Efficiency (Peak)\u003c\/td\u003e\n\u003ctd\u003e≈83%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eADC\u003c\/td\u003e\n\u003ctd\u003e12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImage Buffer\u003c\/td\u003e\n\u003ctd\u003e256MB DDR3 Memory\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Interface\u003c\/td\u003e\n\u003ctd\u003eUSB 3.0 \/ USB 2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuide Port\u003c\/td\u003e\n\u003ctd\u003eST-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Focus\u003c\/td\u003e\n\u003ctd\u003e12.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtective Window\u003c\/td\u003e\n\u003ctd\u003eAR Coated (D21-1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e62mm Diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e126g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-5°C to 50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eASI678MC Camera Body\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25\" Dust Cover\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25\" Nosepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e2m USB 3.0 Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eST4 Guide Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eQuick Start Guide\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.zwoastro.com\/software\/\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Software\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/zwo-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eZWO 2-Year Limited Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":44968019296541,"sku":"ZWO-ASI678MC","price":419.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/ZWO-ASI678MC-1__89087.1656259708.1280.1280.jpg?v=1684347935"},{"product_id":"zwo-asi585mc-color","title":"ZWO ASI585MC Color","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e8.29 Megapixel 4K Resolution (3840 x 2160)\u003c\/li\u003e\n\u003cli\u003e2.9µm Square Pixels\u003c\/li\u003e\n\u003cli\u003e91% Peak Quantum Efficiency\u003c\/li\u003e\n\u003cli\u003e46.9 FPS at Full Resolution\u003c\/li\u003e\n\u003cli\u003eZero Amplifier Glow Circuitry\u003c\/li\u003e\n\u003cli\u003e256MB DDR3 Internal Buffer\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eZWO ASI585MC USB 3.0 Color CMOS Astronomy Camera\u003c\/h2\u003e\n\u003cp\u003eThe ZWO ASI585MC captures full 4K planetary video using its 8.29 MP Sony IMX585 sensor, with 2.9µm pixels resolving fine detail on Jupiter's cloud bands and Saturn's rings. A peak Quantum Efficiency of 91% and exceptionally low 0.7e read noise pull faint signals out of the background, while the 256MB DDR3 buffer sustains a full-resolution frame rate of 46.9 FPS over USB 3.0 without dropping frames.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e4K Planetary Imaging at 46.9 FPS\u003c\/h3\u003e\n\u003cp\u003eThe ASI585MC's native 3840 x 2160 resolution is ideal for capturing the entire disk of Jupiter or the Moon in a single frame, eliminating the need for mosaics. The high 46.9 FPS frame rate allows you to collect thousands of frames in minutes, letting software stack the sharpest data from moments of steady seeing. This high-speed capture is stabilized by the onboard 256MB DDR3 memory buffer, preventing data loss during transfer to your computer.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e91% QE and 40ke Full Well for Deep-Sky Imaging\u003c\/h3\u003e\n\u003cp\u003eWith a peak QE of 91% and a deep 40ke full well capacity, the back-illuminated IMX585 sensor gathers photons with extreme efficiency and offers significant dynamic range. This combination is critical for \"lucky imaging\" of brighter deep-sky objects like the Orion Nebula (M42) or the Hercules Cluster (M13). You can use short exposures to freeze atmospheric turbulence while still capturing both faint nebulosity and the bright stellar cores without saturation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eASI585MC vs. ASI485MC: Key Upgrades\u003c\/h3\u003e\n\u003cp\u003eThe ASI585MC is a direct successor to the popular ASI485MC, incorporating two critical improvements for astrophotography. While the ASI485MC has a limited full well depth and exhibits amp glow on longer exposures, the ASI585MC addresses both limitations directly.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Well Capacity (40ke):\u003c\/strong\u003e The ASI585MC's full well is over three times deeper than the ASI485MC's. This provides substantially greater dynamic range, preventing bright stars from saturating in deep-sky images and capturing more subtle color variations on planets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZero Amp Glow:\u003c\/strong\u003e ZWO integrated a hardware-level circuit that completely eliminates amplifier glow, a common source of noise in uncooled cameras during long exposures. This makes dark frame calibration simpler and far more effective.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eZero Amp Glow on an Uncooled Sensor\u003c\/h3\u003e\n\u003cp\u003eAmplifier glow is a faint infrared light source on the sensor itself that can contaminate long exposures. The ASI585MC's Zero Amp Glow circuit prevents this entirely, regardless of exposure length or gain setting. As an uncooled camera, it is still subject to thermal noise on multi-minute exposures of faint targets. However, the absence of amp glow means your dark frames only need to subtract this predictable thermal signal, resulting in cleaner, easier-to-process images.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eFlexible Connectivity with 6.5mm \/ 17.5mm Back Focus\u003c\/h3\u003e\n\u003cp\u003eThe ASI585MC provides two native back focus distances to accommodate different imaging trains. The standard 17.5mm distance is used when placing accessories like a filter wheel or off-axis guider in front of the camera. For setups without these accessories, a 6.5mm distance allows for a more direct connection, which can be critical when working with certain focal reducers or lens adapters.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTelescope Interface:\u003c\/strong\u003e M42x0.75 female threads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded Adapters:\u003c\/strong\u003e A 1.25\" nosepiece allows direct insertion into standard focusers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eData and Guiding:\u003c\/strong\u003e A USB 3.0 port handles high-speed image transfer, while a dedicated ST-4 port connects to your mount for autoguiding.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat makes the ZWO ASI585MC a strong choice for planetary imaging?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe ASI585MC combines three key specifications for high-resolution planetary work: \u003cstrong\u003e4K resolution (3840x2160)\u003c\/strong\u003e to capture the entire planetary disk, small \u003cstrong\u003e2.9µm pixels\u003c\/strong\u003e to resolve fine detail at the correct focal ratio, and a high frame rate of \u003cstrong\u003e46.9 FPS\u003c\/strong\u003e to gather thousands of frames quickly, maximizing your chances of capturing moments of perfect seeing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the ASI585MC perform on Jupiter with an 8\" f\/10 SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis is an excellent pairing. For the ASI585MC's 2.9µm pixels, the ideal focal ratio for planetary imaging is between f\/14.5 and f\/20. With an f\/10 SCT, using a 1.5x or 2x Barlow lens will place your system in this optimal range, allowing the camera's small pixels to resolve the finest details in Jupiter's cloud bands that your telescope and local seeing conditions can deliver.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the ZWO ASI585MC for deep-sky astrophotography?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the ASI585MC is very capable for Electronically-Assisted Astronomy (EAA) and \"lucky imaging\" of brighter deep-sky objects. Its high sensitivity and zero amp glow make it a great choice for capturing targets like the Orion Nebula (M42), the Hercules Cluster (M13), or the Ring Nebula (M57) using stacks of short exposures. As an uncooled camera, it is less suited for very long exposures (5+ minutes) on faint nebulae where a cooled camera would be necessary to control thermal noise.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the main advantage of the ASI585MC over the older ASI485MC?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe two biggest advantages are its \u003cstrong\u003e40ke full well capacity\u003c\/strong\u003e (more than 3x deeper than the ASI485MC) for greater dynamic range, and its \u003cstrong\u003eZero Amp Glow\u003c\/strong\u003e circuit. The lack of amp glow makes dark frame calibration much easier and more effective, especially for deep-sky lucky imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the ASI585MC's 'Zero Amp Glow' mean I don't need dark frames?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, you still need to take dark frames. The Zero Amp Glow feature eliminates the sensor's own light pollution, but it does not eliminate thermal noise (dark current) that accumulates during an exposure. Dark frames are still essential for calibrating out this thermal signal, but they work much better because they don't also have to subtract a complex, temperature-sensitive glow pattern.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat do the 6.5mm and 17.5mm back focus options on the ASI585MC let me do?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThese two options provide flexibility for building your imaging train.\n\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e17.5mm:\u003c\/strong\u003e This is the standard back focus for use with accessories like a filter wheel or off-axis guider that require a specific amount of spacing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6.5mm:\u003c\/strong\u003e This shorter distance is useful for direct connections to focal reducers, correctors, or camera lenses that require the sensor to be closer to the optics.\u003c\/li\u003e\n\u003c\/ul\u003e\nYou select the appropriate distance based on which components are in your optical path.\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003e1\/1.2\" Sony IMX585 BSI CMOS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e3840 x 2160 (8.29 MP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel Size\u003c\/td\u003e\n\u003ctd\u003e2.9µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Dimensions\u003c\/td\u003e\n\u003ctd\u003e11.2mm x 6.3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Diagonal\u003c\/td\u003e\n\u003ctd\u003e12.84mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Quantum Efficiency (QE)\u003c\/td\u003e\n\u003ctd\u003e91%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Well Capacity\u003c\/td\u003e\n\u003ctd\u003e40ke\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReadout Noise\u003c\/td\u003e\n\u003ctd\u003e0.7e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Frame Rate\u003c\/td\u003e\n\u003ctd\u003e46.9 FPS (at full resolution)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBit Depth\u003c\/td\u003e\n\u003ctd\u003e12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExposure Range\u003c\/td\u003e\n\u003ctd\u003e32µs - 2000s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmp Glow Control\u003c\/td\u003e\n\u003ctd\u003eZero Amplifier Glow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImage Buffer\u003c\/td\u003e\n\u003ctd\u003e256MB DDR3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShutter Type\u003c\/td\u003e\n\u003ctd\u003eElectronic Rolling Shutter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eROI Support\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Focus\u003c\/td\u003e\n\u003ctd\u003e6.5mm \/ 17.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera Window\u003c\/td\u003e\n\u003ctd\u003eAR Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Interface\u003c\/td\u003e\n\u003ctd\u003eUSB 3.0 \/ USB 2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuide Port\u003c\/td\u003e\n\u003ctd\u003eST-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelescope Connection\u003c\/td\u003e\n\u003ctd\u003eM42x0.75 Female Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera Type\u003c\/td\u003e\n\u003ctd\u003eUncooled, Color\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.28 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking Temperature\u003c\/td\u003e\n\u003ctd\u003e-5℃ to 50℃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-10℃ to 60℃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking Relative Humidity\u003c\/td\u003e\n\u003ctd\u003e20% to 80%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOS Compatibility\u003c\/td\u003e\n\u003ctd\u003eWindows 7\/8\/10 (32 \u0026amp; 64-bit), Linux, Mac\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eZWO ASI585MC Camera Body\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25\" Nosepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25\" Cover\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e2\" Cover\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eUSB 3.0 Cable (2m)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eST-4 Autoguider Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eQuick Start Guide\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.zwoastro.com\/software\/\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Software\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/zwo-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eZWO 2-Year Limited Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":44968023720221,"sku":"ZWO-ASI585MC","price":559.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/ZWO-ASI585MC-1__30702.1656260030.1280.1280.jpg?v=1684347976"},{"product_id":"zwo-asi715mc-color","title":"ZWO ASI715MC Color","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e3864x2192 Resolution Sony STARVIS Sensor\u003c\/li\u003e\n\u003cli\u003e1.45µm Pixel Size for High-Resolution Planetary Imaging\u003c\/li\u003e\n\u003cli\u003e45.1 FPS at Full Resolution over USB 3.0\u003c\/li\u003e\n\u003cli\u003ePeak Quantum Efficiency (QE) of 80%\u003c\/li\u003e\n\u003cli\u003eUltra-low 0.72e Read Noise\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eZWO ASI715MC Color Astronomy Camera\u003c\/h2\u003e\n\u003cp\u003eThe ZWO ASI715MC Color Astronomy Camera leverages a Sony IMX715 sensor to deliver a high-resolution 3864x2192 pixel array for detailed planetary imaging. Its exceptionally small 1.45µm pixels are designed for critical sampling on long focal-length telescopes, while the camera's 80% peak QE and 0.72e read noise capture faint surface details on planets and the Moon. At full resolution, the ASI715MC streams data at 45.1 FPS, ensuring you can capitalize on moments of steady seeing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e1.45µm Pixels for Critical Sampling\u003c\/h3\u003e\n\u003cp\u003eThe defining feature of the ASI715MC is its 1.45µm pixel size, one of the smallest available in astronomy cameras. This allows you to achieve a high-resolution image scale without aggressive Barlow lenses, perfectly matching the resolving power of Schmidt-Cassegrain and Maksutov-Cassegrain telescopes operating near f\/10. The resulting 3864x2192 effective pixel array resolves fine details like Jupiter's smallest cloud bands, divisions in Saturn's rings, and subtle crater wall textures on the Moon.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eHigh-Speed Imaging with 80% QE and 0.72e Read Noise\u003c\/h3\u003e\n\u003cp\u003eFor planetary work, capturing thousands of frames in a short time (\"lucky imaging\") is essential. The ASI715MC's sensor achieves a peak Quantum Efficiency of 80% and an extremely low read noise of just 0.72e. This combination ensures that faint signals from planetary surfaces are captured cleanly above the noise floor, even during the very short exposures required to freeze atmospheric turbulence. The primary trade-off for such small pixels is a modest full well capacity of 6.0Ke, making this camera ideal for planetary and lunar work rather than long-exposure deep-sky imaging of high-dynamic-range targets.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eASI715MC vs. ASI462MC: A Question of Resolution\u003c\/h3\u003e\n\u003cp\u003eThe ASI715MC is often compared to the popular ZWO ASI462MC. The choice between them depends entirely on your telescope and imaging goals.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eZWO ASI462MC Advantage:\u003c\/strong\u003e The ASI462MC's larger 2.9µm pixels are more forgiving to average seeing conditions and pair well with faster, shorter focal length telescopes. It also has exceptional sensitivity in the near-infrared, which helps cut through atmospheric haze.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZWO ASI715MC Advantage:\u003c\/strong\u003e With a resolution of 3864x2192 compared to the ASI462MC's 1936x1096, the ASI715MC captures a far more detailed image over the same field of view. If you have a long focal length telescope (f\/10 or slower) and good seeing, the ASI715MC will resolve finer features that the ASI462MC cannot.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e45.1 FPS Data Transfer and Connectivity\u003c\/h3\u003e\n\u003cp\u003eThe camera's performance is supported by modern hardware that prevents data bottlenecks during high-speed capture sessions. A built-in 256MB DDR3 cache acts as a buffer, ensuring stable frame delivery without dropping data.\n\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB 3.0 Port:\u003c\/strong\u003e Delivers the 5Gbps bandwidth required to run the camera at its maximum 45.1 FPS at full resolution in 10-bit high-speed mode.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eST4 Guide Port:\u003c\/strong\u003e Allows the ASI715MC to double as a high-resolution autoguider for a separate imaging rig, connecting directly to any ST4-compatible mount.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Mounting:\u003c\/strong\u003e Includes a 1.25\" nosepiece and M42x0.75 threads for direct connection to focusers, filter wheels, and other standard accessories.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the ASI715MC perform on Jupiter with an 8\" f\/10 SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe ZWO ASI715MC is an excellent match for an 8\" f\/10 SCT. The optimal focal ratio for its 1.45µm pixels is between f\/7.25 and f\/10.15. This means at the native f\/10, you are already at the ideal image scale for high-resolution imaging on nights of good seeing, often without needing a Barlow lens. On nights of exceptional seeing, a 1.5x or 2x Barlow can push the resolution even further.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the ASI715MC a good choice for imaging the Andromeda Galaxy (M31)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, the ZWO ASI715MC is not designed for large deep-sky objects like the Andromeda Galaxy. Its 1\/2.8\" sensor has a diagonal of only 6.43mm, which results in a very narrow field of view. It is built specifically for high-magnification targets like planets, the Moon, the Sun (with a proper solar filter), and for \"lucky imaging\" of small, bright planetary nebulae or globular cluster cores.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need an IR Cut filter with the ZWO ASI715MC?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. Like most color astronomy cameras, the ZWO ASI715MC's sensor is sensitive to infrared (IR) light. To achieve correct color balance and sharpness, an IR Cut or UV\/IR Cut filter is required. Without one, stars and planetary details will appear slightly bloated and have a reddish\/magenta tint.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy would I choose the ASI715MC over a camera with larger pixels?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYou should choose the ASI715MC if you have a telescope with a long focal length (typically over 1500mm) and you want to capture the finest possible details on the planets. Its small 1.45µm pixels allow you to reach the ideal image scale for high resolution without using strong Barlow lenses, which can dim the image and introduce optical aberrations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan the ZWO ASI715MC be used for autoguiding?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The ZWO ASI715MC can be used as a very capable autoguider thanks to its low read noise and built-in ST4 port. Its high resolution can detect very small guide star movements, though its narrow field of view may sometimes make finding a suitable guide star more challenging than with a dedicated, larger-chip guide camera.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat software is compatible with the ZWO ASI715MC?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe ZWO ASI715MC works with most popular astronomy software packages. For planetary capture, imagers commonly use \u003cstrong\u003eFireCapture\u003c\/strong\u003e or \u003cstrong\u003eSharpCap\u003c\/strong\u003e. For autoguiding, it is fully supported by \u003cstrong\u003ePHD2 Guiding\u003c\/strong\u003e. All necessary ASCOM and native drivers are available for free download from the ZWO website.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eZWO-ASI715MC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003e1\/2.8\" Sony IMX715 Color CMOS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEffective Pixel Array\u003c\/td\u003e\n\u003ctd\u003e3864 x 2192\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel Size\u003c\/td\u003e\n\u003ctd\u003e1.45µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Dimensions\u003c\/td\u003e\n\u003ctd\u003e5.6mm x 3.2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Diagonal\u003c\/td\u003e\n\u003ctd\u003e6.43mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Quantum Efficiency (QE)\u003c\/td\u003e\n\u003ctd\u003e80%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Well Capacity\u003c\/td\u003e\n\u003ctd\u003e6.0Ke\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReadout Noise\u003c\/td\u003e\n\u003ctd\u003e0.72e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Frame Rate\u003c\/td\u003e\n\u003ctd\u003e45.1 FPS (at full resolution)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBit Depth\u003c\/td\u003e\n\u003ctd\u003e12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera Type\u003c\/td\u003e\n\u003ctd\u003eUncooled Color\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuide Sensor\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eASI715MC Color Camera\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25\" Nosepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLens Cover\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eUSB 3.0 Cable (2m)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eST4 Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eZWO ASI Camera Quick Guide\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.zwoastro.com\/software\/\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Software\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/zwo-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eZWO 2-Year Limited Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":47109447090461,"sku":"ZWO-ASI715MC","price":279.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/EN--ASI715MC_09.jpg?v=1700075986"},{"product_id":"zwo-asi462mm-mono","title":"ZWO ASI462MM Mono","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e2.1MP Sony IMX462 Monochrome Sensor\u003c\/li\u003e\n\u003cli\u003eExceptional Near-Infrared (NIR) Sensitivity\u003c\/li\u003e\n\u003cli\u003e136.1 FPS at Full 1936x1096 Resolution\u003c\/li\u003e\n\u003cli\u003eUltra-Low Read Noise as low as 0.47e-\u003c\/li\u003e\n\u003cli\u003e256MB DDR3 Buffer for Stable Data Transfer\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eZWO ASI462MM Mono Planetary \u0026amp; Guiding Camera\u003c\/h2\u003e\n\u003cp\u003eThe ZWO ASI462MM Mono combines the groundbreaking Sony IMX462 sensor with an ultra-low read noise of 0.47e- to redefine monochrome planetary imaging. Its 2.9µm pixels and 2.1MP resolution capture fine details on Jupiter and Mars, while the staggering 136.1 FPS frame rate freezes moments of perfect seeing. With a peak Quantum Efficiency of approximately 89% and unmatched sensitivity in the near-infrared, this camera excels at cutting through atmospheric turbulence for remarkably sharp lunar, solar, and planetary captures.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eUnrivaled Near-Infrared (NIR) Sensitivity at 800nm+\u003c\/h3\u003e\n\u003cp\u003eThe core strength of the ASI462MM is the Sony IMX462 sensor's extraordinary sensitivity in the near-infrared spectrum. Where other planetary cameras see their response drop off sharply, the ASI462MM maintains high efficiency beyond 800nm. This allows you to leverage methane and other long-pass filters to reveal deep atmospheric features on Jupiter and Saturn that are invisible in the visible spectrum, effectively calming atmospheric seeing for sharper final images.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e136.1 FPS Capture Rate with Zero Amp Glow\u003c\/h3\u003e\n\u003cp\u003eAt a full resolution of 1936x1096, the ASI462MM streams data at up to 136.1 frames per second via its USB 3.0 interface. This high-speed capability is critical for \"lucky imaging,\" allowing you to capture thousands of frames in a short period to overcome atmospheric distortion. The integrated 256MB DDR3 buffer ensures stable, drop-free data transfer, while the sensor architecture eliminates amp glow entirely, even on longer exposures when using the camera for guiding.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Speed Mode:\u003c\/strong\u003e Captures full-resolution frames at 136.1 fps with a 10-bit ADC for maximum frame rate.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Dynamic-Range Mode:\u003c\/strong\u003e Utilizes the full 12-bit ADC at 63.9 fps for smoother tonal gradations and a full well capacity of 11.2ke-.\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eUltra-Low Read Noise of 0.47e- for Cleaner Stacks\u003c\/h3\u003e\n\u003cp\u003eThe ASI462MM leverages STARVIS technology and an integrated High Conversion Gain (HCG) mode to achieve a minimum read noise of just 0.47 electrons. This mode automatically activates at a gain setting of 80 and higher, drastically reducing noise without sacrificing the camera's wide dynamic range. The result is a cleaner signal-to-noise ratio, allowing you to pull out faint details from your stacked images with less aggressive noise reduction.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eZWO ASI462MM vs. ASI290MM: A Generational Leap\u003c\/h3\u003e\n\u003cp\u003eThe ASI462MM is the direct successor to the legendary ASI290MM, offering significant improvements in key areas for planetary imagers.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRead Noise:\u003c\/strong\u003e The ASI462MM's minimum read noise of 0.47e- is substantially lower than the ASI290MM's, leading to cleaner images at high gain.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInfrared Sensitivity:\u003c\/strong\u003e While the ASI290MM was a capable IR performer, the ASI462MM's IMX462 sensor provides a dramatic boost in quantum efficiency in the 800-1000nm range, making it the superior choice for methane band imaging.\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQE Peak:\u003c\/strong\u003e The ASI462MM boasts a higher peak QE of ~89%, ensuring more of the light hitting the sensor is converted into a usable signal.\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor imagers seeking the ultimate in monochrome planetary performance, particularly for imaging Jupiter and Saturn through atmospheric turbulence, the ASI462MM offers a clear and measurable advantage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat makes the ASI462MM so good for imaging Jupiter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe ZWO ASI462MM's exceptional sensitivity in the near-infrared (NIR) allows it to excel with filters like a methane band (890nm). This wavelength cuts through the Earth's atmospheric turbulence (\"seeing\"), revealing fine details in Jupiter's cloud bands that are often blurred at visible wavelengths. Its high frame rate of 136.1 FPS is also crucial for capturing moments of atmospheric stability.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the ZWO ASI462MM a good guide camera?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the ASI462MM is an excellent autoguiding camera. Its high sensitivity and extremely low 0.47e- read noise allow it to detect faint guide stars easily. The 2.9µm pixel size provides high-resolution guiding for a wide range of guide scope focal lengths, and the standard ST4 port ensures compatibility with virtually any equatorial mount.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the optimal focal ratio for the ASI462MM for planetary imaging?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor ideal planetary imaging that critically samples the image, a focal ratio between f\/14 and f\/20 is recommended with the ASI462MM's 2.9µm pixels. For an f\/10 Schmidt-Cassegrain, this is typically achieved with a 1.5x to 2x Barlow lens, depending on local seeing conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need an IR-cut filter with the ASI462MM?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor LRGB (Luminance, Red, Green, Blue) imaging, you will need an IR-cut filter for the RGB channels to ensure accurate color balance, as the sensor is highly sensitive to infrared light. For luminance or specialized IR imaging (like methane band), you would use a luminance filter (which passes IR) or a specific IR-pass filter, not an IR-cut filter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the ASI462MM compare to the color ASI462MC?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe ASI462MM (monochrome) is significantly more sensitive than its color counterpart because it does not have a Bayer filter matrix over the sensor. This allows it to capture finer detail (higher resolution) and fainter signals, making it the preferred choice for advanced planetary imagers who use a separate filter wheel to create color images. The color version offers convenience but at the cost of some sensitivity and resolution.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the ASI462MM suffer from amp glow?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. The ZWO ASI462MM's sensor design and circuitry completely eliminate amplifier glow. This means your dark frames will be clean and free of the characteristic glow seen in the corners of older sensors, simplifying your calibration process, especially for longer exposures when guiding.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003e1\/2.8” Sony IMX462 CMOS (Monochrome)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e2.1MP (1936 x 1096)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel Size\u003c\/td\u003e\n\u003ctd\u003e2.9µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantum Efficiency (Peak)\u003c\/td\u003e\n\u003ctd\u003e~89%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead Noise\u003c\/td\u003e\n\u003ctd\u003e0.47e- to 2.65e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Well Capacity\u003c\/td\u003e\n\u003ctd\u003e11.2ke-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Frame Rate\u003c\/td\u003e\n\u003ctd\u003e136.1 fps at 1936x1096\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eADC\u003c\/td\u003e\n\u003ctd\u003e12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Buffer\u003c\/td\u003e\n\u003ctd\u003e256MB DDR3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShutter Type\u003c\/td\u003e\n\u003ctd\u003eRolling Shutter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Focus\u003c\/td\u003e\n\u003ctd\u003e12.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtective Window\u003c\/td\u003e\n\u003ctd\u003eAR Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Interface\u003c\/td\u003e\n\u003ctd\u003eUSB 3.0 \/ USB 2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuide Port\u003c\/td\u003e\n\u003ctd\u003eST-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eASI462MM Camera Body\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25\" Nosepiece Adapter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25\" Dust Cover\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e2 meter USB 3.0 Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e2 meter ST4 Guide Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eQuick Start Guide\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.zwoastro.com\/software\/\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e \n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Software\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/zwo-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eZWO 2-Year Limited Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":47901976396061,"sku":"ZWO-ASI462MM","price":416.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/51c34a08f8466e3da0dab0781569a381-2.jpg?v=1711564921"},{"product_id":"zwo-asi678mm-mono","title":"ZWO ASI678MM Mono","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e8.29 Megapixel Resolution (3840 x 2160)\u003c\/li\u003e\n\u003cli\u003e2.0µm Square Pixels\u003c\/li\u003e\n\u003cli\u003e83% Peak Quantum Efficiency (Monochrome)\u003c\/li\u003e\n\u003cli\u003e0.6e Minimum Read Noise\u003c\/li\u003e\n\u003cli\u003e47.5 Frames Per Second at Full Resolution\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eZWO ASI678MM Monochrome Astronomy Camera\u003c\/h2\u003e\n\u003cp\u003eThe ZWO ASI678MM Monochrome Astronomy Camera leverages a back-illuminated Sony sensor to deliver 8.29 MP resolution at a rapid 47.5 FPS. Its tiny 2µm pixels resolve fine planetary and solar detail, while the 83% peak QE and an exceptionally low 0.6e minimum read noise capture faint signal during high-speed lucky imaging. A 256MB DDR3 buffer ensures stable data transfer over USB 3.0, preventing frame drops during critical moments of steady seeing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSony IMX678 Sensor with 2µm Pixels\u003c\/h3\u003e\n\u003cp\u003eAt the core of the ASI678MM is a Sony STARVIS 2 CMOS sensor, featuring a 3840 x 2160 pixel array. The 2µm pixel size is an excellent match for short focal length refractors or for imagers using SCTs at their native focal ratio, often eliminating the need for a Barlow lens to reach ideal image sampling. This back-illuminated (BSI) sensor architecture places circuitry behind the photodiode, maximizing the light-gathering area of each pixel for a peak QE of 83%.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eLow Noise Floor of 0.6e at 47.5 FPS\u003c\/h3\u003e\n\u003cp\u003eFor planetary, lunar, and solar imaging, success is defined by capturing thousands of frames to freeze moments of atmospheric stability. The ASI678MM reads out its full 8.29 MP frame at 47.5 FPS with a read noise as low as 0.6 electrons, ensuring that faint, low-contrast details are not lost in the camera's own noise floor. The camera also features Zero Amp Glow circuitry, which produces clean raw frames without the characteristic glow that requires dark frame subtraction, simplifying your processing workflow.\u003c\/p\u003e\n\u003cp\u003eAs an uncooled camera, the ASI678MM is designed for the short exposures typical of solar system imaging. It is not intended for long-exposure deep-sky astrophotography, where thermal noise would accumulate and degrade the image.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eASI678MM vs. ASI178MM: A Comparison of 2µm vs. 2.4µm\u003c\/h3\u003e\n\u003cp\u003eWhen choosing a small-pixel monochrome camera, a common decision is between the ASI678MM and the older ASI178MM. While both use back-illuminated Sony sensors, their specifications serve different imaging setups.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution and Sampling:\u003c\/strong\u003e The ASI678MM's smaller 2µm pixels and higher 8.29 MP resolution provide a finer image scale than the ASI178MM's 2.4µm pixels and 6.4 MP sensor. This gives the 678MM an advantage in resolving detail at any given focal length.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRead Noise:\u003c\/strong\u003e With a minimum read noise of 0.6e, the ASI678MM is significantly quieter than the ASI178MM's 1.4e minimum. This results in a cleaner signal and better visibility of low-contrast features on targets like Jupiter's cloud bands.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse Case:\u003c\/strong\u003e The ASI178MM's slightly larger 2.4µm pixels may be a better fit for telescopes with very long focal lengths or for observers in locations with average seeing, as it is less demanding of atmospheric stability. The ASI678MM excels when seeing is good or when used with shorter focal length instruments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eStable Imaging with a 256MB Buffer\u003c\/h3\u003e\n\u003cp\u003eTo handle the data stream from its 8.29 MP sensor at 47.5 FPS, the ASI678MM includes a 256MB DDR3 memory buffer. This buffer prevents dropped frames that can occur from data transmission issues between the camera and computer, ensuring your video files are complete. The camera connects via a USB 3.0 port for maximum speed and includes a standard ST-4 autoguiding port for deep-sky imagers who wish to use its high sensitivity for guiding purposes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat Barlow do I need for the ASI678MM with an 8\" f\/10 SCT on Jupiter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor planetary imaging, the ideal focal ratio is typically 5 to 7 times the camera's pixel size. With the ASI678MM's 2µm pixels, the target focal ratio is between f\/10 and f\/14. An 8\" f\/10 SCT is already perfectly matched to this camera for imaging Jupiter under average seeing conditions, so \u003cstrong\u003eno Barlow is required\u003c\/strong\u003e. In moments of excellent seeing, a 1.5x Barlow could be used to push the focal ratio to f\/15 for slightly more resolution.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the ZWO ASI678MM suitable for long-exposure deep-sky imaging?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, the ASI678MM is an \u003cstrong\u003euncooled\u003c\/strong\u003e camera. While its high sensitivity and low read noise are excellent, it is not designed for multi-minute exposures of faint deep-sky objects like nebulae and galaxies. Thermal noise will build up over long exposures, degrading the image. It is optimized for high-frame-rate \"lucky imaging\" of bright targets like the Moon, Sun, and planets.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the ASI678MM for solar imaging with a dedicated H-alpha telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the ASI678MM is an excellent choice for high-resolution solar imaging. Its monochrome sensor provides maximum detail and sensitivity for capturing features like surface granulation, filaments, and prominences. The high frame rate of 47.5 FPS is critical for overcoming atmospheric turbulence during daytime imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the ASI678MM compare to the color ASI678MC?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe ASI678MM is the monochrome version of the ASI678MC. The primary differences are:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity \u0026amp; Resolution:\u003c\/strong\u003e The ASI678MM (mono) is inherently more sensitive and captures finer detail because it does not have a Bayer color filter array covering the pixels. Every pixel contributes to the luminance image.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorkflow:\u003c\/strong\u003e The ASI678MC (color) provides a color image in a single shot, which is more convenient. The ASI678MM requires shooting through separate Red, Green, and Blue filters and combining them later to create a color image, but this method yields a much higher quality final result.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does the \"Zero Amp Glow\" feature on the ASI678MM do?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAmplifier glow is a common artifact in CMOS sensors where a faint glow appears in the corner of images, especially on longer exposures. The \u003cstrong\u003eZero Amp Glow\u003c\/strong\u003e circuitry in the ASI678MM physically prevents this from occurring. This means you get cleaner raw data without needing to subtract dark frames to remove the glow, simplifying your image processing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need an IR Cut filter with the ZWO ASI678MM?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003e\u003cstrong\u003eYes, for most planetary imaging.\u003c\/strong\u003e As a monochrome camera, the ASI678MM is sensitive to both visible and infrared (IR) light. Different wavelengths focus at slightly different points, which can soften the image. Using an IR Cut filter ensures only visible light reaches the sensor, resulting in a sharper luminance (L) channel for LRGB imaging. Alternatively, an IR Pass filter can be used to capture data specifically in the infrared, which can help stabilize images in poor seeing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003e1\/1.8\" Sony IMX678 BSI CMOS (Monochrome)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e8.29 MP (3840 x 2160)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel Size\u003c\/td\u003e\n\u003ctd\u003e2.0 µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantum Efficiency (Peak)\u003c\/td\u003e\n\u003ctd\u003e83%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead Noise\u003c\/td\u003e\n\u003ctd\u003e0.6e to 3.5e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Frame Rate\u003c\/td\u003e\n\u003ctd\u003e47.5 FPS at full resolution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImage Buffer\u003c\/td\u003e\n\u003ctd\u003e256MB DDR3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBit Depth\u003c\/td\u003e\n\u003ctd\u003e12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExposure Range\u003c\/td\u003e\n\u003ctd\u003e32 µs to 2000 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShutter Type\u003c\/td\u003e\n\u003ctd\u003eElectronic Rolling Shutter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmp Glow Control\u003c\/td\u003e\n\u003ctd\u003eZero Amplifier Glow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Focus\u003c\/td\u003e\n\u003ctd\u003e12.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelescope Interface\u003c\/td\u003e\n\u003ctd\u003eM42x0.75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Interface\u003c\/td\u003e\n\u003ctd\u003eUSB 3.0 \/ USB 2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuide Port\u003c\/td\u003e\n\u003ctd\u003eST-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera Window\u003c\/td\u003e\n\u003ctd\u003eAR Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooled \/ Uncooled\u003c\/td\u003e\n\u003ctd\u003eUncooled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-5°C to 50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.3 lb.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Size\u003c\/td\u003e\n\u003ctd\u003e7.68mm x 4.32mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOS Compatibility\u003c\/td\u003e\n\u003ctd\u003eWindows 7\/8\/10, Linux, Mac\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eZWO ASI678MM Camera Body\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25\" Cover\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eT2-1.25\" Adapter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eUSB 3.0 Cable (2m)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eST4 Guide Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eUser Manual\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.zwoastro.com\/software\/\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e \n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Software\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/zwo-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eZWO 2-Year Limited Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":48343933485341,"sku":"ZWO-ASI678MM","price":489.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ZWO-ASI678MC-1__89087.1656259708.1280.1280.jpg?v=1714576640"},{"product_id":"zwo-asi676mc-color","title":"ZWO ASI676MC Color","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e12.6 Megapixel 3552 x 3552 Square Sensor\u003c\/li\u003e\n\u003cli\u003e2.0µm Pixel Size\u003c\/li\u003e\n\u003cli\u003e83% Peak Quantum Efficiency\u003c\/li\u003e\n\u003cli\u003eZero Amplifier Glow Circuitry\u003c\/li\u003e\n\u003cli\u003e256MB DDR3 Internal Buffer\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eZWO ASI676MC Color Astronomy Camera\u003c\/h2\u003e\n\u003cp\u003eThe ZWO ASI676MC combines a high-resolution 12.6 MP Sony IMX676 sensor with small 2µm pixels, resolving fine detail on planetary surfaces and small deep-sky targets. Its perfectly square 3552 x 3552 pixel array simplifies mosaic construction, while the 83% peak QE and back-illuminated structure capture faint signal efficiently. With a maximum frame rate of 31.2 FPS at full resolution and a 256MB DDR3 buffer, you can capture sharp frames during moments of steady seeing without dropping data.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSquare 12.6 MP Sensor for Seamless Mosaics\u003c\/h3\u003e\n\u003cp\u003eThe ASI676MC's defining feature is its 1\/1.6\" format, 3552 x 3552 square CMOS sensor. This format eliminates the need for rotating the camera between mosaic panels, streamlining the capture of large targets like the lunar surface or sprawling solar active regions. The 12.6 megapixel resolution gives you the image scale to create vast, high-definition composites without sacrificing detail.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e2µm Pixels \u0026amp; 83% QE for High-Resolution Detail\u003c\/h3\u003e\n\u003cp\u003eWith a pixel size of just 2µm, the ASI676MC is built for high-resolution imaging on long focal length instruments like Schmidt-Cassegrains and Maksutovs. The back-illuminated Sony sensor achieves a peak Quantum Efficiency of 83%, ensuring that a high percentage of incoming photons are converted to signal. This sensitivity is critical for reducing exposure times on planets, which helps freeze atmospheric turbulence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eZero Amp Glow \u0026amp; 256MB DDR3 Buffer\u003c\/h3\u003e\n\u003cp\u003eZWO engineered the ASI676MC with circuitry that completely eliminates amplifier glow, a common source of noise in CMOS sensors that typically requires dark frame subtraction. This results in cleaner raw data and a more streamlined processing workflow. The onboard 256MB DDR3 buffer ensures stable, high-speed data transfer over USB 3.0, preventing dropped frames during critical planetary video captures.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eZWO ASI676MC vs. ASI178MC\u003c\/h3\u003e\n\u003cp\u003eThe ASI676MC represents a significant evolution from its popular predecessor, the ASI178MC, primarily for planetary and lunar imagers.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Format:\u003c\/strong\u003e The ASI178MC uses a rectangular 6.4 MP sensor, while the ASI676MC's 12.6 MP square sensor offers double the resolution and is purpose-built for mosaics without camera rotation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePixel Size:\u003c\/strong\u003e The ASI676MC's smaller 2.0µm pixels provide higher resolution sampling compared to the 2.4µm pixels of the ASI178MC, allowing you to resolve finer detail at the same focal length.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmp Glow:\u003c\/strong\u003e The ASI178MC can exhibit minor amp glow on longer exposures, a problem completely eliminated by the hardware design of the ASI676MC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Well \u0026amp; Bit Depth:\u003c\/strong\u003e The ASI178MC has a slight advantage with a deeper full well (15Ke vs 10.55Ke) and 14-bit ADC, giving it more dynamic range for solar or brighter targets. However, for planetary imaging, the ASI676MC's higher resolution and cleaner sensor are often the deciding factors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eUncooled Design for Planetary and Guiding\u003c\/h3\u003e\n\u003cp\u003eAs an uncooled camera, the ASI676MC is optimized for short-exposure \"lucky imaging\" of the Moon, planets, and Sun (with a proper solar filter). Its lightweight body and ST-4 port also make it a capable, high-resolution autoguider. The lack of a cooling system means thermal noise will become a factor on multi-second exposures, making it less suitable for imaging faint deep-sky objects than a dedicated cooled camera.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the main advantage of the ASI676MC's square sensor?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003e3552 x 3552 square sensor\u003c\/strong\u003e is ideal for creating mosaics of large areas like the Moon or Sun. You can capture adjacent panels without rotating the camera, which simplifies both the acquisition process at the telescope and the image stitching process in software.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow will the ASI676MC's 2µm pixels perform on Jupiter with an 8\" f\/10 SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAn 8\" f\/10 SCT has a focal length of around 2000mm. With 2µm pixels, this provides good image sampling, but for optimal planetary resolution, you typically want to image between f\/10 and f\/14 (5 to 7 times the pixel size). On typical nights, the native f\/10 focal ratio is already in this range, so \u003cstrong\u003eno Barlow is needed\u003c\/strong\u003e. On nights of excellent seeing, a \u003cstrong\u003e1.5x Barlow lens\u003c\/strong\u003e brings the focal ratio to f\/15, which lets the ASI676MC resolve the finest details in Jupiter's cloud bands.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan the ZWO ASI676MC capture the entire lunar disc in one shot?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhether the ASI676MC can capture the full Moon depends on your telescope's focal length. On a short refractor with a focal length of 400-500mm, you can easily frame the entire disc. On a longer instrument like an SCT, the 10mm sensor diagonal will only show a portion of the Moon, making it a perfect candidate for creating a high-resolution mosaic.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the ZWO ASI676MC suffer from amp glow?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. The ZWO ASI676MC features a \u003cstrong\u003eZero Amplifier Glow\u003c\/strong\u003e hardware design. The circuitry is engineered to prevent the light leakage that causes amp glow, so you do not need to subtract dark frames to remove it, even on longer exposures for guiding.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the ASI676MC as a guide camera?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The ASI676MC is an excellent high-resolution guide camera. It includes a standard \u003cstrong\u003eST-4 guide port\u003c\/strong\u003e to connect directly to your mount. Its high sensitivity and small pixels can detect very faint guide stars and register minute star movements for precise tracking corrections.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy choose the ASI676MC over a camera like the ASI462MC?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe choice depends on your primary target. The ASI462MC has extreme sensitivity in near-infrared light, making it a specialist for imaging methane bands on Jupiter and Saturn. The \u003cstrong\u003eASI676MC\u003c\/strong\u003e, however, offers a much higher 12.6 MP resolution (vs 2.1 MP) and a square sensor, making it far superior for high-resolution lunar, solar, and general planetary color imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003e1\/1.6\" Sony IMX676 BSI CMOS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e12.6 MP (3552 x 3552)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel Size\u003c\/td\u003e\n\u003ctd\u003e2µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Dimensions\u003c\/td\u003e\n\u003ctd\u003e7.1mm x 7.1mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Diagonal\u003c\/td\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantum Efficiency (Peak)\u003c\/td\u003e\n\u003ctd\u003e83%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Well Capacity\u003c\/td\u003e\n\u003ctd\u003e10.55Ke\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBit Depth\u003c\/td\u003e\n\u003ctd\u003e12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Frame Rate\u003c\/td\u003e\n\u003ctd\u003e31.2 FPS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmp Glow Control\u003c\/td\u003e\n\u003ctd\u003eZero Amplifier Glow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImage Buffer\u003c\/td\u003e\n\u003ctd\u003e256MB DDR3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera Type\u003c\/td\u003e\n\u003ctd\u003eColor, Uncooled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuide Port\u003c\/td\u003e\n\u003ctd\u003eST-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComputer Interface\u003c\/td\u003e\n\u003ctd\u003eUSB 3.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelescope Interface\u003c\/td\u003e\n\u003ctd\u003eM42x0.75 Threads, 1.25\" Nosepiece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera Window\u003c\/td\u003e\n\u003ctd\u003eIR-Cut\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eZWO ASI676\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eZWO-ASI676MC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eASI676MC Camera Body\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25\" Nosepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25\" Cover\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e2m USB 3.0 Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eST-4 Guide Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eQuick Guide\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.zwoastro.com\/software\/\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Software\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/zwo-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eZWO 2-Year Limited Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":49014001271069,"sku":"ZWO-ASI676MC","price":559.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ZWO-ASI676MC-1.jpg?v=1723061109"},{"product_id":"zwo-asi664mc-color","title":"ZWO ASI664MC Color","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e4.15 Megapixel Sony IMX664 Color CMOS Sensor\u003c\/li\u003e\n\u003cli\u003e2.9µm Pixel Size\u003c\/li\u003e\n\u003cli\u003e91% Peak Quantum Efficiency\u003c\/li\u003e\n\u003cli\u003e95 FPS at Full Resolution\u003c\/li\u003e\n\u003cli\u003e256MB DDR3 Internal Buffer\u003c\/li\u003e\n\u003cli\u003eZero Amplifier Glow\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eZWO ASI664MC Color Astronomy Camera\u003c\/h2\u003e\n\u003cp\u003eThe ZWO ASI664MC combines a high-resolution 4.15 MP Sony IMX664 sensor with sensitive 2.9µm pixels, making it ideal for detailed planetary, lunar, and solar imaging. Its back-illuminated architecture achieves a peak Quantum Efficiency of 91%, capturing faint signal with minimal noise. A full-resolution frame rate of 95 FPS, supported by a 256MB DDR3 buffer and USB 3.0 interface, ensures you can capture moments of perfect seeing without dropping frames.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSony STARVIS 2 Sensor: 91% QE and 2.9µm Pixels\u003c\/h3\u003e\n\u003cp\u003eAt the core of the ASI664MC is Sony's latest STARVIS 2 technology, a back-illuminated (BSI) sensor design that places circuitry behind the photodiode layer. This maximizes light collection, pushing the peak QE to 91% and dramatically improving signal-to-noise ratio. The 2.9µm pixels are an excellent match for short-to-medium focal length refractors and Schmidt-Cassegrains operating with a Barlow lens, resolving fine detail on Jupiter's cloud bands or in lunar rilles.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eZero Amp Glow and 256MB DDR3 Buffer\u003c\/h3\u003e\n\u003cp\u003eThe ASI664MC integrates circuitry that completely eliminates amplifier glow, a common source of noise in CMOS sensors that typically requires calibration frames to remove. This results in cleaner raw data and a more streamlined processing workflow. To handle the massive data stream, a 256MB DDR3 memory buffer ensures stable, high-speed image transfer to your computer over the USB 3.0 connection, preventing data loss even at the maximum frame rate.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e95 FPS at Full 4.15 MP Resolution\u003c\/h3\u003e\n\u003cp\u003eFor planetary imagers, capturing thousands of frames in a short period is critical to overcome atmospheric turbulence. The ASI664MC delivers a sustained 95 frames per second at its full 2704 x 1536 resolution, allowing you to effectively \"freeze\" moments of steady seeing. As an uncooled camera, it excels at this type of short-exposure work; while it can be used for brighter deep-sky objects, thermal noise will become a factor on multi-minute exposures where a cooled camera would be required.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eASI664MC vs. ASI462MC: A Generational Upgrade\u003c\/h3\u003e\n\u003cp\u003eThe ASI664MC serves as a direct successor to the popular ASI462MC, offering significant upgrades for most imaging scenarios.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eASI462MC's Advantage:\u003c\/strong\u003e The ASI462MC maintains a slight edge in extreme near-infrared sensitivity, which can be beneficial for imaging planets like Venus or methane-band imaging of Jupiter and Saturn.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eASI664MC's Advantages:\u003c\/strong\u003e The ASI664MC provides double the resolution (4.15 MP vs. 2.1 MP) and a larger 1\/1.8\" sensor, giving you a wider field of view for lunar mosaics or capturing Jupiter with all its Galilean moons. For general-purpose planetary, lunar, and solar imaging, the higher resolution and larger sensor make the ASI664MC the superior choice.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the optimal focal ratio for the ZWO ASI664MC on planets like Jupiter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor planetary imaging, the ideal focal ratio is 5 to 7 times the camera's pixel size. With the ASI664MC's \u003cstrong\u003e2.9µm pixels\u003c\/strong\u003e, you should aim for a final focal ratio between f\/14.5 and f\/20.3. If you are using a typical f\/10 Schmidt-Cassegrain telescope, a 1.5x or 2x Barlow lens will place you in this optimal range for resolving the most detail under good seeing conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan the ZWO ASI664MC be used for imaging the Orion Nebula (M42)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, but with limitations. The ASI664MC is an \u003cstrong\u003euncooled camera\u003c\/strong\u003e, which makes it best suited for short exposures (\"lucky imaging\") of bright targets like planets. While it is sensitive enough to capture bright deep-sky objects like the Orion Nebula (M42) or the Hercules Cluster (M13) with many short exposures, thermal noise will accumulate and degrade image quality on the long, multi-minute exposures needed for fainter targets. For serious deep-sky imaging, a dedicated cooled camera is recommended.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the ZWO ASI664MC's \"Zero Amp Glow\" feature improve images?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAmplifier glow is a faint illumination that appears in the corners of an image, caused by heat from the sensor's readout electronics. On many cameras, this must be removed by subtracting dark frames. The ZWO ASI664MC uses special hardware to prevent this glow from ever being generated, meaning your raw images are cleaner and require less complex calibration during processing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does the 256MB DDR3 buffer in the ZWO ASI664MC do?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003e256MB DDR3 buffer\u003c\/strong\u003e acts as a temporary high-speed memory cache for the camera. When imaging at high frame rates like 95 FPS, the data transfer can sometimes be slowed by the computer's processor or hard drive. The buffer stores the images from the sensor, preventing dropped frames and ensuring a smooth, stable data stream to your computer, which is critical for planetary imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the ZWO ASI664MC a good upgrade from the ASI462MC?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor most users, yes. The ZWO ASI664MC offers double the resolution (\u003cstrong\u003e4.15 MP\u003c\/strong\u003e vs. 2.1 MP), and a larger sensor for a wider field of view. This makes it a more capable and versatile camera for lunar, solar, and general planetary imaging. The only reason to choose the ASI462MC is if you specifically require its slightly higher sensitivity in the near-infrared for specialized imaging, such as methane band.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat software do I need to use the ZWO ASI664MC?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYou will need to download the latest camera drivers from the ZWO website. For image capture, popular free software includes \u003cstrong\u003eSharpCap\u003c\/strong\u003e (Windows) and \u003cstrong\u003eFireCapture\u003c\/strong\u003e (Windows\/Mac\/Linux). You can also control the camera with an ASIAIR device. For processing the captured video files, imagers commonly use AutoStakkert! and RegiStax.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eZWO-ASI664MC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003e1\/1.8\" Sony IMX664 BSI CMOS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera Type\u003c\/td\u003e\n\u003ctd\u003eColor, Uncooled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEffective Pixels\u003c\/td\u003e\n\u003ctd\u003e4.15 MP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel Array\u003c\/td\u003e\n\u003ctd\u003e2704 x 1536\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel Size\u003c\/td\u003e\n\u003ctd\u003e2.9µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Dimensions\u003c\/td\u003e\n\u003ctd\u003e7.8mm x 4.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Diagonal\u003c\/td\u003e\n\u003ctd\u003e9mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Quantum Efficiency (QE)\u003c\/td\u003e\n\u003ctd\u003e91%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBit Depth\u003c\/td\u003e\n\u003ctd\u003e12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Frame Rate\u003c\/td\u003e\n\u003ctd\u003e95 FPS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImage Buffer\u003c\/td\u003e\n\u003ctd\u003e256MB DDR3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmp Glow Control\u003c\/td\u003e\n\u003ctd\u003eZero Amplifier Glow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShutter Type\u003c\/td\u003e\n\u003ctd\u003eElectronic Rolling Shutter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera Window\u003c\/td\u003e\n\u003ctd\u003eAR Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComputer Interface\u003c\/td\u003e\n\u003ctd\u003eUSB 3.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuide Port\u003c\/td\u003e\n\u003ctd\u003eST-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelescope Interface\u003c\/td\u003e\n\u003ctd\u003eM42x0.75 Threads\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuide Sensor Included?\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnti-Dew Heater Included?\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity Sensor Included?\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eASI664MC Camera\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eSensor Cover\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25\" Nosepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eUSB 3.0 Cable (2m)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eST4 Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eQuick Guide\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.zwoastro.com\/software\/\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Software\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/zwo-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eZWO 2-Year Limited Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":49346244280605,"sku":"ZWO-ASI664MC","price":419.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ZWO-ASI664MC-Color.jpg?v=1731025631"},{"product_id":"zwo-asi585mm-mono","title":"ZWO ASI585MM Mono","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e8.29 Megapixel (3840 x 2160) Monochrome Sensor\u003c\/li\u003e\n\u003cli\u003e2.9µm Pixel Size\u003c\/li\u003e\n\u003cli\u003e91% Peak Quantum Efficiency\u003c\/li\u003e\n\u003cli\u003e46.9 FPS at Full Resolution\u003c\/li\u003e\n\u003cli\u003e256MB DDR3 Buffer\u003c\/li\u003e\n\u003cli\u003eZero Amplifier Glow\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eZWO ASI585MM USB3.0 Monochrome Astronomy Camera\u003c\/h2\u003e\n\u003cp\u003eThe ZWO ASI585MM Mono combines a high-resolution 8.29 MP Sony IMX585 sensor with sensitive 2.9µm pixels, engineered for high-magnification lunar and planetary imaging. Its back-illuminated architecture achieves a peak Quantum Efficiency of 91%, while the onboard 256MB DDR3 buffer sustains a full-resolution frame rate of 46.9 FPS over USB 3.0 without dropping frames. Zero Amp Glow circuitry ensures the 1\/1.2\" sensor produces exceptionally clean data, which is critical for stacking thousands of short exposures in planetary imaging and Electronically Assisted Astronomy (EAA).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSony IMX585 Sensor: 91% Peak QE from a 1\/1.2\" Monochrome Chip\u003c\/h3\u003e\n\u003cp\u003eAt the core of the ASI585MM is a Sony STARVIS 2 sensor designed for extreme low-light sensitivity. The monochrome design removes the Bayer matrix, allowing every one of the 8.29 million pixels to capture the full luminance signal, resulting in a significant increase in detail and signal-to-noise ratio over a color equivalent. This raw sensitivity, quantified by its 91% peak QE, allows you to capture fainter details with shorter exposures, a key advantage when imaging planets or using narrowband filters for EAA.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e46.9 FPS at 8.29 MP: Sustained Transfer with a 256MB DDR3 Buffer\u003c\/h3\u003e\n\u003cp\u003ePlanetary imaging relies on \"lucky imaging\", capturing thousands of frames to freeze moments of steady atmospheric seeing. The ASI585MM captures full 3840 x 2160 frames at 46.9 FPS, a rate that would overwhelm a direct USB connection. To solve this, a 256MB DDR3 memory buffer ensures stable, drop-free data transmission to your computer, preserving the integrity of your capture session. This high-speed capability, combined with the camera's Zero Amp Glow design, produces clean, stackable video files essential for resolving fine details on Jupiter's cloud bands or in the Cassini Division of Saturn's rings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eASI585MM vs. ASI585MC: Monochrome Sensitivity vs. One-Shot Color\u003c\/h3\u003e\n\u003cp\u003eThe primary difference between the ASI585MM (Monochrome) and its sibling, the ASI585MC (Color), lies in how they capture light. The color version offers the convenience of capturing a full-color image in a single shot, which is ideal for quick setups. However, the ASI585MM provides superior raw data for the discerning imager.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigher Resolution \u0026amp; Sensitivity:\u003c\/strong\u003e Without a color filter array, the ASI585MM uses every pixel for luminance, delivering a sharper, more detailed image and capturing more signal in the same amount of time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNarrowband Imaging:\u003c\/strong\u003e The monochrome sensor is the only way to effectively use specialized narrowband filters (H-alpha, OIII, SII) for imaging emission nebulae, a capability the color camera lacks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrade-off:\u003c\/strong\u003e Achieving a color image with the ASI585MM requires a filter wheel and LRGB filters, adding complexity and cost to the imaging train. For maximum detail, the monochrome version is the clear choice; for simplicity, the color version is more direct.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e6.5mm \/ 17.5mm Back Focus and Physical Connections\u003c\/h3\u003e\n\u003cp\u003eThe ASI585MM provides flexible connection options for any optical train. A standard USB 3.0 port provides the 5Gbps bandwidth needed for high-frame-rate captures, while an ST-4 port allows direct connection to a mount for autoguiding. The camera body features native back focus distances of 6.5mm and 17.5mm, accommodating different accessory configurations. The 17.5mm spacing is standard for use with filter wheels and off-axis guiders, while the 6.5mm option is ideal for setups with strict spacing requirements, such as when used with specific focal reducers or camera lenses.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the ZWO ASI585MM best for?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe ZWO ASI585MM excels at high-frame-rate imaging of bright targets where short exposures are key. This includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLunar and Planetary Imaging:\u003c\/strong\u003e Its 2.9µm pixels and high resolution are ideal for capturing fine details on Jupiter, Saturn, and Mars.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolar Imaging:\u003c\/strong\u003e With a proper, full-aperture solar filter, it can resolve intricate details in sunspots and surface granulation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectronically Assisted Astronomy (EAA):\u003c\/strong\u003e The camera's 91% QE makes it excellent for live-stacking short exposures of brighter deep-sky objects like globular clusters and planetary nebulae.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAs an \u003cstrong\u003euncooled camera\u003c\/strong\u003e, it is not optimized for traditional long-exposure deep-sky astrophotography, where thermal noise can become a factor in multi-minute exposures.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the ASI585MM perform on Jupiter with an 8\" f\/10 SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIt's an excellent match. For optimal planetary imaging, the ideal focal ratio is typically 5 to 7 times the camera's pixel size. With the ASI585MM's 2.9µm pixels, you should aim for a final focal ratio between f\/14.5 and f\/20.3. On an 8\" f\/10 SCT, using a \u003cstrong\u003e1.5x or 2x Barlow lens\u003c\/strong\u003e will place you squarely in this optimal range, allowing you to achieve critical sampling of Jupiter's atmospheric details under good seeing conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the ZWO ASI585MM for EAA on globular clusters like M13?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAbsolutely. The ZWO ASI585MM is a superb camera for EAA on bright targets like the Hercules Cluster (M13). Its high sensitivity (91% Peak QE) allows you to use very short exposures (2-10 seconds) to capture individual stars without saturation. Live-stacking software can then combine these short subs in real-time to build up a clean, detailed view that resolves the cluster's dense core.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eShould I get the ASI585MM Mono or the ASI585MC Color version?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eChoose the camera that matches your imaging goals.\n\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eZWO ASI585MM (Mono):\u003c\/strong\u003e Choose this for the highest possible resolution, detail, and sensitivity. It is the superior choice for serious planetary imagers and those who want to shoot with narrowband filters. It requires a filter wheel and LRGB filters to create color images.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZWO ASI585MC (Color):\u003c\/strong\u003e Choose this for simplicity and convenience. You get a full-color image directly from the camera without extra accessories, making it a faster and easier way to start capturing planets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat do the 6.5mm and 17.5mm back focus options on the ASI585MM let me do?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe dual back focus values provide the flexibility needed for different imaging setups, without requiring you to guess at spacing.\n\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e17.5mm:\u003c\/strong\u003e This is the standard back focus for most ZWO cameras and is the correct distance to use when adding accessories like a ZWO filter wheel or off-axis guider to your imaging train.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6.5mm:\u003c\/strong\u003e This shorter optical path is useful for specific applications where total back focus is limited, such as with some camera lens adapters or focal reducers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the ZWO ASI585MM compatible with the ASIAIR?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the ZWO ASI585MM is fully compatible with the entire ASIAIR ecosystem (ASIAIR Plus and ASIAIR Pro). It is recognized natively by the ASIAIR app, allowing for complete camera control, image capture, and guiding without needing a separate laptop.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eZWO-ASI585MM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera Series\u003c\/td\u003e\n\u003ctd\u003eZWO ASI585\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003e1\/1.2\" Sony IMX585 BSI CMOS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\/Mono\u003c\/td\u003e\n\u003ctd\u003eMonochrome\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eUncooled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e3840 x 2160 (8.29 MP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel Size\u003c\/td\u003e\n\u003ctd\u003e2.9µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Dimensions\u003c\/td\u003e\n\u003ctd\u003e11.2mm x 6.3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Diagonal\u003c\/td\u003e\n\u003ctd\u003e12.85mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Quantum Efficiency\u003c\/td\u003e\n\u003ctd\u003e91%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Frame Rate\u003c\/td\u003e\n\u003ctd\u003e46.9 FPS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImage Buffer\u003c\/td\u003e\n\u003ctd\u003e256MB DDR3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmp Glow Control\u003c\/td\u003e\n\u003ctd\u003eZero Amplifier Glow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShutter Type\u003c\/td\u003e\n\u003ctd\u003eElectronic Rolling Shutter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Focus\u003c\/td\u003e\n\u003ctd\u003e6.5mm \/ 17.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuide Port\u003c\/td\u003e\n\u003ctd\u003eST-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComputer Interface\u003c\/td\u003e\n\u003ctd\u003eUSB 3.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelescope Interface\u003c\/td\u003e\n\u003ctd\u003eM42x0.75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera Window\u003c\/td\u003e\n\u003ctd\u003eAR Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.3 lb.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking Temperature\u003c\/td\u003e\n\u003ctd\u003e-5°C to 50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-10°C to 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking Humidity\u003c\/td\u003e\n\u003ctd\u003e0% to 80%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOS Compatibility\u003c\/td\u003e\n\u003ctd\u003eWindows 7\/8\/10, Linux, Mac\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eZWO ASI585MM Monochrome Camera\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25\" Cover\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e2\" Cover\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25\" Nosepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eUSB 3.0 Cable (2m)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eST4 Guide Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eQuick Start Guide\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.zwoastro.com\/software\/\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e \n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Software\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/zwo-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eZWO 2-Year Limited Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":49803393368349,"sku":"ZWO-ASI585MM","price":699.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ZWO-ASI585MM-Main-1.jpg?v=1742412620"},{"product_id":"zwo-asi662mm-mono","title":"ZWO ASI662MM Mono","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e2.1 Megapixel Sony IMX662 Monochrome Sensor\u003c\/li\u003e\n\u003cli\u003e2.9µm Pixel Size\u003c\/li\u003e\n\u003cli\u003e91% Peak Quantum Efficiency\u003c\/li\u003e\n\u003cli\u003e107.6 FPS at Full 1920x1080 Resolution\u003c\/li\u003e\n\u003cli\u003eZero Amplifier Glow Circuitry\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eZWO ASI662MM Monochrome Camera\u003c\/h2\u003e\n\u003cp\u003eThe ZWO ASI662MM combines the Sony IMX662's 91% peak quantum efficiency with an extremely low 0.8e read noise, capturing faint planetary and lunar details with exceptional clarity. Its 2.1 MP sensor with 2.9µm pixels achieves a maximum frame rate of 107.6 FPS over USB 3.0, while the large 38.2ke full well capacity prevents bright features from saturating. A 256MB DDR3 buffer ensures stable, drop-free data transfer during high-speed video capture.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSony IMX662 Sensor: 91% QE and 38.2ke Full Well\u003c\/h3\u003e\n\u003cp\u003eThe core of the ASI662MM is its back-illuminated Sony sensor, which achieves a 91% peak QE, making it extraordinarily sensitive to faint light. This monochrome design utilizes every photon hitting its 1920 x 1080 pixel array. The sensor's 38.2ke full well capacity is more than three times larger than previous generations, allowing you to capture extreme brightness variations, from Jupiter's equatorial bands to its dimmer polar regions, in a single exposure without clipping highlights.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eZero Amp Glow \u0026amp; 256MB DDR3 Buffer\u003c\/h3\u003e\n\u003cp\u003eZWO engineered the ASI662MM with a circuit design that produces zero amplifier glow, a common source of noise in uncooled CMOS cameras. This eliminates the need for dark frame subtraction to remove corner glow, simplifying your image processing workflow. To handle the data from its high-speed 107.6 FPS capture rate, a 256MB DDR3 buffer provides a stable, high-speed data cache that prevents dropped frames and ensures consistent transfer to your computer.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eASI662MM vs. ASI462MM: A Generational Leap in Planetary Imaging\u003c\/h3\u003e\n\u003cp\u003eWhile the ASI462MM remains an excellent camera known for its infrared sensitivity, the ASI662MM represents a significant step forward for imaging in the visible spectrum. The primary advantage of the ASI462MM is its response deep into the IR, which can be beneficial for cutting through atmospheric turbulence when imaging planets with a methane filter. However, for standard LRGB planetary work, the ASI662MM's specifications are superior across the board.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Well Capacity:\u003c\/strong\u003e The ASI662MM's 38.2ke full well is dramatically larger than the 11.2ke of the ASI462MM. This gives you far greater dynamic range, preventing the bright cores of planets and lunar features from blowing out while still capturing subtle albedo details.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRead Noise:\u003c\/strong\u003e At 0.8e, the ASI662MM's read noise is very low (the ASI462MM reaches 0.47e in HCG mode), keeping a clean signal-to-noise ratio, especially during short exposures used in lucky imaging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmp Glow:\u003c\/strong\u003e The ASI662MM has zero amplifier glow, a persistent artifact on the ASI462MM that requires calibration frames to remove.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eUncooled Design for High-Speed Imaging and Guiding\u003c\/h3\u003e\n\u003cp\u003eThe ASI662MM's uncooled design keeps its weight down to just 0.28 lb., making it an ideal choice for planetary imaging where active cooling is unnecessary for short video captures. This high sensitivity and low read noise also make it a capable autoguider. As an uncooled camera, thermal noise will build up on multi-second guide exposures, but for the vast majority of guiding scenarios where exposure times are under 5 seconds, the camera's raw sensitivity delivers sharp, consistent tracking.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eConnectivity: 12.5mm Back Focus and Standard Ports\u003c\/h3\u003e\n\u003cp\u003eThe ASI662MM is built for easy integration into any imaging train. It uses a standard M42 thread for direct connection and includes a 1.25\" nosepiece for use in standard focusers or filter wheels. The native back focus of 12.5mm is a critical distance for correct spacing with various accessories.\n\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB 3.0 Interface:\u003c\/strong\u003e Provides the 5Gb bandwidth necessary to run the camera at its maximum 107.6 FPS frame rate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eST-4 Guide Port:\u003c\/strong\u003e Allows for direct connection to a telescope mount for autoguiding, bypassing the need for pulse guiding via a computer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM42x0.75 Threads:\u003c\/strong\u003e The standard T-thread interface ensures compatibility with a vast ecosystem of adapters, filter wheels, and off-axis guiders.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the ASI662MM perform on Jupiter with an 8\" f\/10 SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe ZWO ASI662MM is an excellent match for an 8\" f\/10 SCT for imaging Jupiter. The camera's 2.9µm pixels are best sampled at a focal ratio between f\/14.5 and f\/20.3. Using a 1.5x or 2x Barlow lens with your SCT will place the system squarely in this optimal range, allowing you to resolve fine details like the Great Red Spot and intricate cloud bands.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the ASI662MM for imaging craters along the Moon's terminator with a 4\" refractor?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAbsolutely. The ZWO ASI662MM's high sensitivity and high frame rate are perfect for lunar imaging. The large 38.2ke full well capacity is a major advantage here, as it can handle the extreme contrast between the brightly lit crater rims and the deep shadows on the terminator without saturating the highlights. The 1920x1080 resolution is well-suited to capturing wide mosaics of the lunar surface with a 4\" refractor.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy should I choose the ASI662MM over the older ASI462MM?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor most planetary, lunar, and solar imaging, the ZWO ASI662MM is the superior choice. Its key advantages are a \u003cstrong\u003emuch larger full well capacity (38.2ke vs. 11.2ke)\u003c\/strong\u003e for better dynamic range, \u003cstrong\u003every low read noise (0.8e)\u003c\/strong\u003e, and \u003cstrong\u003ezero amplifier glow\u003c\/strong\u003e. The only scenario where the ASI462MM holds an advantage is for imaging in very specific near-infrared wavelengths, like methane band imaging, due to its exceptional IR sensitivity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does \"Zero Amp Glow\" on the ASI662MM mean for my workflow?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eZero Amplifier Glow means the camera's internal circuitry does not create a bright gradient or glow at the edge of the sensor, even on longer exposures. For the ZWO ASI662MM, this simplifies your processing significantly because you don't need to shoot and subtract dark frames to remove this specific artifact, resulting in cleaner raw data from the start.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the ASI662MM a good choice for an autoguiding camera?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the ZWO ASI662MM is a very capable autoguiding camera due to its high sensitivity and low read noise. It can detect faint guide stars with very short exposures (typically 1-3 seconds). As it is an uncooled camera, you may see thermal noise accumulate on guide exposures longer than 5-10 seconds, but for most guiding applications, its performance is excellent.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat software do I need to use the ZWO ASI662MM?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eTo use the ZWO ASI662MM, you will need to download the latest drivers from the ZWO website. It is compatible with most popular capture software like SharpCap, FireCapture, and N.I.N.A. through its native or ASCOM drivers. ZWO also provides its own free software suite, ASIStudio, which includes tools for planetary capture, deep-sky imaging, and live stacking.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003e1\/2.8\" Sony IMX662 BSI CMOS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e1920 x 1080 (2.1 MP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel Size\u003c\/td\u003e\n\u003ctd\u003e2.9µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Dimensions\u003c\/td\u003e\n\u003ctd\u003e5.6mm x 3.1mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Diagonal\u003c\/td\u003e\n\u003ctd\u003e6.45mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantum Efficiency (Peak)\u003c\/td\u003e\n\u003ctd\u003e91%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Well Capacity\u003c\/td\u003e\n\u003ctd\u003e38.2ke-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead Noise\u003c\/td\u003e\n\u003ctd\u003e0.8e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Frame Rate\u003c\/td\u003e\n\u003ctd\u003e107.6 FPS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmp Glow Control\u003c\/td\u003e\n\u003ctd\u003eZero Amplifier Glow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShutter Type\u003c\/td\u003e\n\u003ctd\u003eElectronic Rolling Shutter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExposure Range\u003c\/td\u003e\n\u003ctd\u003e32µs to 2000s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBit Depth\u003c\/td\u003e\n\u003ctd\u003e12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImage Buffer\u003c\/td\u003e\n\u003ctd\u003e256MB DDR3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eROI Support\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eUSB 3.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuide Port\u003c\/td\u003e\n\u003ctd\u003eST-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Focus\u003c\/td\u003e\n\u003ctd\u003e12.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelescope Connection\u003c\/td\u003e\n\u003ctd\u003eM42x0.75 \/ 1.25\" Nosepiece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera Window\u003c\/td\u003e\n\u003ctd\u003eAR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera Type\u003c\/td\u003e\n\u003ctd\u003eUncooled Monochrome\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.28 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking Temperature\u003c\/td\u003e\n\u003ctd\u003e-5℃ to 50℃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-20℃ to 60℃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking Relative Humidity\u003c\/td\u003e\n\u003ctd\u003e20% to 80%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOS Compatibility\u003c\/td\u003e\n\u003ctd\u003eWindows, Mac, Linux\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eZWO ASI662MM Monochrome Camera\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25\" Cover\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25\" Nosepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eUSB 3.0 Cable (2m)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eST4 Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eQuick Start Guide\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.zwoastro.com\/software\/\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Software\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/zwo-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eZWO 2-Year Limited Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":50638694220061,"sku":"ZWO-ASI662MM","price":419.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ZWO-ASI662MM-Mono-1.jpg?v=1763566764"},{"product_id":"zwo-asi676mm-mono-camera","title":"ZWO ASI676MM Mono Camera","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e12.6 MP Square Sensor (3552 x 3552)\u003c\/li\u003e\n\u003cli\u003e2µm Pixel Size\u003c\/li\u003e\n\u003cli\u003e83% Peak Quantum Efficiency\u003c\/li\u003e\n\u003cli\u003e0.56e Ultra-Low Read Noise\u003c\/li\u003e\n\u003cli\u003eZero Amplifier Glow\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eZWO ASI676MM Monochrome Astronomy Camera\u003c\/h2\u003e\n\u003cp\u003eThe ZWO ASI676MM Monochrome Astronomy Camera combines a square 12.6 MP Sony sensor with 2µm pixels to deliver high-resolution planetary, lunar, and all-sky views. Its back-illuminated architecture achieves a peak Quantum Efficiency of 83%, while an exceptionally low 0.56e read noise ensures faint details are captured during high-speed captures running at up to 31.2 FPS. A 256MB DDR3 buffer maintains stable data transfer over USB 3.0, and the sensor's design completely eliminates amplifier glow for perfectly clean calibration frames.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSquare 12.6 MP Sensor for Seamless Imaging\u003c\/h3\u003e\n\u003cp\u003eThe ASI676MM's unique 3552 x 3552 pixel array is a significant advantage for specific imaging tasks. The square format perfectly matches the circular image field of all-sky lenses, maximizing data collection without wasting pixels on empty corners. This geometry also simplifies the creation of large mosaics of the Moon or deep-sky regions, as frames can be stitched together with uniform overlap and no rotation required between panels.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e2µm Pixels \u0026amp; 83% QE for Critical Sampling\u003c\/h3\u003e\n\u003cp\u003eWith a fine 2µm pixel size, the ASI676MM is built for high-resolution imaging, allowing you to achieve critical sampling on telescopes with shorter focal lengths without aggressive use of Barlow lenses. The sensor's 83% peak QE means the vast majority of incoming photons are converted to signal, which is critical for capturing faint planetary details or guiding on dim stars. This sensitivity, combined with its BSI structure, makes it exceptionally effective in the near-infrared, ideal for methane band imaging of Jupiter and Saturn.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e0.56e Read Noise with Zero Amp Glow\u003c\/h3\u003e\n\u003cp\u003eFor planetary imagers using \"lucky imaging\" techniques, the camera's 0.56e read noise is a defining feature, preserving signal-to-noise ratio across thousands of stacked short exposures. Unlike many CMOS sensors, the ASI676MM produces zero amplifier glow, regardless of gain or exposure settings. This eliminates a major source of noise and simplifies post-processing, as dark frames become easier to match and subtract perfectly.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e256MB DDR3 Buffer:\u003c\/strong\u003e Ensures no frames are dropped during high-speed planetary runs, providing a stable and reliable data stream to your computer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12-bit ADC:\u003c\/strong\u003e Captures over 4,000 grayscale levels, providing smooth tonal gradations across bright lunar surfaces and the faint cloud bands of gas giants.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10.55Ke Full Well:\u003c\/strong\u003e A deep full well capacity for an uncooled camera with small pixels, reducing the risk of saturating bright stars or planetary limbs during longer exposures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eZWO ASI676MM vs. ASI178MM\u003c\/h3\u003e\n\u003cp\u003eWhile both are high-resolution monochrome cameras, the ASI676MM and ASI178MM serve different primary roles. The ASI178MM has a slight advantage in sensitivity due to its larger 2.4µm pixels, making it a strong performer for solar and lunar imaging where light is plentiful. It also uses a rectangular sensor, which can be more efficient for framing elongated galaxies.\u003c\/p\u003e\n\u003cp\u003eThe ASI676MM's primary advantages are its modern sensor architecture and specialized format. Its 12.6 MP square sensor is objectively better for all-sky imaging and mosaic construction, and its complete lack of amp glow is a significant quality-of-life improvement, simplifying calibration. For imagers focused on planets, meteors, or building large-scale mosaics, the ASI676MM's feature set is more specifically tailored to the task.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat makes the ZWO ASI676MM's square sensor good for all-sky imaging?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003e3552 x 3552 pixel\u003c\/strong\u003e square sensor of the ASI676MM perfectly matches the circular image produced by an all-sky or fisheye lens. This means you utilize the entire sensor area for capturing the sky, unlike a rectangular sensor which would leave the corners of the frame empty, wasting resolution.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do the 2µm pixels on the ASI676MM affect telescope choice for planetary imaging of Jupiter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe small \u003cstrong\u003e2µm pixels\u003c\/strong\u003e are ideal for high-resolution work. For optimal sampling of planets like Jupiter, you should aim for a final focal ratio between f\/10 (2µm * 5) and f\/14 (2µm * 7). This means an f\/10 Schmidt-Cassegrain can use the ZWO ASI676MM at its native focal length, while an f\/5 Newtonian would pair well with a 2x or 2.5x Barlow lens to reach the target f-ratio.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan the uncooled ZWO ASI676MM be used for deep-sky objects like the Orion Nebula (M42)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, but with limitations. As an \u003cstrong\u003euncooled camera\u003c\/strong\u003e, thermal noise will build up on long exposures (over 30-60 seconds), which can impact faint details. However, for bright deep-sky objects like the Orion Nebula (M42) or the Hercules Cluster (M13), you can achieve excellent results by stacking hundreds of very short exposures (5-10 seconds), a technique where the ASI676MM's low \u003cstrong\u003e0.56e read noise\u003c\/strong\u003e and zero amp glow are major assets.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the benefit of the 256MB DDR3 buffer in the ZWO ASI676MM?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003e256MB DDR3 memory buffer\u003c\/strong\u003e acts as a temporary storage space for image data before it's sent to the computer. This prevents data loss and maintains a stable, high frame rate (like its max of \u003cstrong\u003e31.2 FPS\u003c\/strong\u003e), especially if the host computer's USB bus is temporarily busy. It's a critical feature for reliable planetary and solar imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the monochrome sensor of the ZWO ASI676MM better than a color one for planets?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor achieving maximum detail, yes. A monochrome sensor like the one in the ASI676MM uses every pixel to capture light, resulting in higher effective resolution and sensitivity compared to a color camera of the same pixel count. To create a color image, you capture separate videos through Red, Green, and Blue filters and combine them in software, a technique which produces sharper and more detailed results than a one-shot-color camera.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the ZWO ASI676MM require dark frames for calibration?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eBecause the ASI676MM has \u003cstrong\u003eZero Amplifier Glow\u003c\/strong\u003e, the need for dark frames is greatly reduced for short-exposure planetary imaging. While darks are still best practice to remove thermal noise, the absence of amp glow means you can often get clean results with just flat frames, significantly simplifying your workflow.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003e1\/1.6\" Sony IMX676 BSI CMOS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e12.6 MP (3552 x 3552)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel Size\u003c\/td\u003e\n\u003ctd\u003e2µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Dimensions\u003c\/td\u003e\n\u003ctd\u003e7.1 mm x 7.1 mm (10 mm diagonal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantum Efficiency (Peak)\u003c\/td\u003e\n\u003ctd\u003e83%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead Noise\u003c\/td\u003e\n\u003ctd\u003e0.56e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Well Capacity\u003c\/td\u003e\n\u003ctd\u003e10.55Ke\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Frame Rate\u003c\/td\u003e\n\u003ctd\u003e31.2 FPS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBit Depth\u003c\/td\u003e\n\u003ctd\u003e12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmplifier Glow Control\u003c\/td\u003e\n\u003ctd\u003eZero Amplifier Glow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImage Buffer\u003c\/td\u003e\n\u003ctd\u003e256MB DDR3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera Type\u003c\/td\u003e\n\u003ctd\u003eMonochrome, Uncooled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eUSB 3.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuide Port\u003c\/td\u003e\n\u003ctd\u003eST-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelescope Connection\u003c\/td\u003e\n\u003ctd\u003eM42x0.75 Threads, 1.25\" Nosepiece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera Window\u003c\/td\u003e\n\u003ctd\u003eAR Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e62 mm diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.28 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera Series\u003c\/td\u003e\n\u003ctd\u003eZWO ASI676\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eZWO-ASI676MM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eASI676MM Camera Body\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25\" Nosepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eCamera Cover\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e2m USB 3.0 Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eST-4 Guide Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eQuick Guide\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.zwoastro.com\/software\/\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Software\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/zwo-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eZWO 2-Year Limited Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":50843600781597,"sku":"ZWO-ASI676MM","price":699.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ZWO-ASI676MM-Mono-Camera-1.jpg?v=1768505603"}],"url":"https:\/\/davidastro.com\/collections\/zwo-planetary-cameras.oembed","provider":"David Astro","version":"1.0","type":"link"}