{"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 nearly 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 13ke 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 lower, resulting in a cleaner 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 0.3 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. 13ke)\u003c\/strong\u003e for better dynamic range, \u003cstrong\u003elower 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\u003eIR\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\u003e0.3 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-10℃ to 60℃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking Relative 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, 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":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ZWO-ASI662MM-Mono-1.jpg?v=1763566764","url":"https:\/\/davidastro.com\/fr-us\/products\/zwo-asi662mm-mono","provider":"David Astro","version":"1.0","type":"link"}