{"product_id":"qhyccd-qhy1253p","title":"QHYCCD QHY1253P Polarized Camera","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e12 Megapixel Sony IMX253 Polarized Sensor\u003c\/li\u003e\n\u003cli\u003e3.45μm Pixel Size\u003c\/li\u003e\n\u003cli\u003eElectronic Global Shutter\u003c\/li\u003e\n\u003cli\u003e-35°C Below Ambient Two-Stage TEC Cooling\u003c\/li\u003e\n\u003cli\u003e27.2 FPS at Full Resolution (8-bit)\u003c\/li\u003e\n\u003cli\u003e128MB DDR2 Image 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\u003eQHY1253P Polarized Camera\u003c\/h2\u003e\n\u003cp\u003eThe QHY1253P Polarized Camera integrates a 12 Megapixel Sony IMX253 monochrome sensor with a native polarization filter array and 3.45µm pixels for scientific-grade analysis of light properties. Its Electronic Global Shutter eliminates motion artifacts while delivering up to 27.2 FPS over USB 3.0, with all data transfers stabilized by a 128MB onboard DDR2 memory buffer. A two-stage TEC cooler achieves -35°C below ambient, reducing dark current to just 0.017e-\/pixel\/sec and complementing the low 1.17e- read noise for high-fidelity signal detection.\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\u003eScientific-Grade Polarization: The 12 MP Sony IMX253 Sensor\u003c\/h3\u003e\n\u003cp\u003eThe core of the QHY1253P is its specialized 12 Megapixel Sony IMX253 sensor, which features a pixel-level polarizing filter array. This allows the camera to capture information about the orientation of light waves, a capability standard monochrome or color sensors lack. This makes it an essential tool for applications in materials science, geology, and biology where polarization reveals information about stress, composition, or structure not visible in standard intensity images.\u003c\/p\u003e\n\u003cp\u003eWhile the integrated filter array provides this advanced capability, it inherently reduces the total light reaching each photodiode compared to a standard monochrome sensor. This trade-off is managed by the camera's highly sensitive, low-noise architecture, ensuring that even faint polarization signals can be accurately measured.\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\u003e27.2 FPS Global Shutter for Distortion-Free Capture\u003c\/h3\u003e\n\u003cp\u003eThe QHY1253P is equipped with an Electronic Global Shutter, which exposes every one of its 12 million pixels simultaneously. This completely eliminates the rolling shutter artifacts that distort images of moving subjects or rapidly changing phenomena. For laboratory or industrial applications involving motion, vibration, or fluid dynamics, a global shutter is non-negotiable for accurate measurement.\u003c\/p\u003e\n\u003cp\u003eCombined with the high-speed USB 3.0 interface, the camera can sustain a full-frame capture rate of 27.2 FPS at 8-bit depth. By defining a Region of Interest (ROI), frame rates can be pushed even higher, reaching 139.5 FPS for a 480-line window, enabling detailed analysis of high-speed events.\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\u003eDeep-Cooled Signal Detection: -35°C Cooling and 1.17e- Read Noise\u003c\/h3\u003e\n\u003cp\u003eDetecting subtle differences in polarized light requires an exceptionally clean signal. The QHY1253P uses a regulated two-stage thermoelectric cooling system capable of reducing the sensor temperature to -35°C below the ambient environment. This aggressive cooling drops the thermal noise floor, resulting in a dark current of just 0.017e-\/pixel\/sec at -20°C.\u003c\/p\u003e\n\u003cp\u003eThis powerful cooling, paired with a read noise as low as 1.17e-, ensures that the camera's own electronic noise does not overwhelm the faint scientific signal. This high signal-to-noise ratio is critical for quantitative analysis and long exposures in low-light conditions, from biological microscopy to astronomical polarimetry.\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\u003eStable Data Transfer with 128MB DDR2 Buffer\u003c\/h3\u003e\n\u003cp\u003eTo ensure reliable image acquisition at high frame rates, the QHY1253P includes a 128MB DDR2 memory buffer. This onboard buffer acts as a temporary cache, storing frames from the sensor before they are transferred to the host computer via USB 3.0. This prevents data loss or dropped frames, even on systems where the CPU or USB bus is temporarily busy.\u003c\/p\u003e\n\u003cp\u003eThis feature is crucial for maintaining data integrity during long acquisition sequences or when operating in a multi-device environment. The camera also includes an opto-isolated hardware trigger port and a 4-pin filter wheel interface, providing robust integration options for automated scientific and imaging setups.\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\u003eQHY1253P vs. QHY550P: Sensor Size and Application Focus\u003c\/h3\u003e\n\u003cp\u003eThe primary advantage of the QHY1253P over its sibling, the QHY550P, is its significantly larger sensor. The QHY1253P's 12 Megapixel IMX253 sensor provides a much wider field of view and higher resolution for imaging larger subjects or for use in microscopy applications where a broader perspective is needed.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQHY1253P:\u003c\/strong\u003e Best suited for applications requiring a large field of view, high-resolution mapping, or when used with optical systems that produce a large, well-corrected image circle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQHY550P:\u003c\/strong\u003e A more compact and often more cost-effective choice for applications where the subject is smaller or when used with optics that have a more constrained imaging area.\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 QHY1253P's sensor different from a standard monochrome camera?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe QHY1253P uses a specialized \u003cstrong\u003eSony IMX253 Polarize sensor\u003c\/strong\u003e. Unlike a standard monochrome sensor that only measures light intensity, this sensor has a built-in filter array that can also measure the orientation of light waves (polarization). This provides an extra layer of data essential for scientific analysis in fields like material science, geology, and biology.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhen is the global shutter on the QHY1253P a critical feature?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eElectronic Global Shutter\u003c\/strong\u003e is critical when imaging moving subjects or rapidly changing events. It exposes all 12 million pixels at the exact same moment, preventing the \"jello\" effect or geometric distortion (rolling shutter artifact) seen with conventional shutters. This is essential for accurate measurements in machine vision, microscopy of live cells, or solar astronomy (with proper filtering).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the QHY1253P's -35°C cooling help when analyzing material stress patterns?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAnalyzing stress patterns with polarized light often involves detecting very subtle variations in brightness. The \u003cstrong\u003e-35°C two-stage TEC cooling\u003c\/strong\u003e dramatically reduces thermal noise (dark current) in the sensor. This creates a cleaner, higher-quality image, allowing the faint signals corresponding to stress-induced birefringence to be measured accurately, rather than being lost in the camera's own electronic noise.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the QHY1253P for astronomical polarimetry of the Moon's surface?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the QHY1253P is well-suited for astronomical polarimetry. The Moon's regolith polarizes sunlight, and measuring this polarization can reveal information about its texture and composition. The camera's high resolution, low noise, and native polarization capabilities make it an excellent tool for this type of scientific astronomical imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the purpose of the 128MB DDR2 buffer in the QHY1253P?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003e128MB DDR2 memory buffer\u003c\/strong\u003e acts as a high-speed cache for image frames. It temporarily stores data from the sensor before it's sent to your computer over USB 3.0. This prevents dropped frames and ensures a stable data stream, which is crucial when capturing video at the camera's maximum rate of 27.2 FPS or when your computer is performing other tasks simultaneously.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat adapters are needed to connect the QHY1253P to a C-mount microscope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe QHY1253P has a native M42x0.75 (T-thread) female interface and a back focus of 17.5mm. To connect it to a standard C-mount (1-inch x 32 TPI), you will need an optional \u003cstrong\u003eM42-to-C-mount adapter\u003c\/strong\u003e. These adapters are widely available and typically very short, ensuring you can reach focus on most microscope ports.\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\u003eSony IMX253 (Mono\/Polarize)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e12 Megapixels (4032 x 2998)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel Size\u003c\/td\u003e\n\u003ctd\u003e3.45μm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEffective Image Area\u003c\/td\u003e\n\u003ctd\u003e13.91mm x 10.34mm\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\u003eFull Well Capacity\u003c\/td\u003e\n\u003ctd\u003e9.8ke-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead Noise\u003c\/td\u003e\n\u003ctd\u003e1.17e- to 1.8e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eA\/D Conversion\u003c\/td\u003e\n\u003ctd\u003e12-bit (output as 16-bit or 8-bit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDark Current\u003c\/td\u003e\n\u003ctd\u003e0.017e-\/pixel\/sec @ -20℃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExposure Range\u003c\/td\u003e\n\u003ctd\u003e20μs to 300sec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Frame Rate (Full)\u003c\/td\u003e\n\u003ctd\u003e27.2 FPS @ 8-bit \/ 13.1 FPS @ 16-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Frame Rate (ROI)\u003c\/td\u003e\n\u003ctd\u003e139.5 FPS @ 480 lines (8-bit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling System\u003c\/td\u003e\n\u003ctd\u003eTwo-Stage TEC, -35℃ below ambient\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImage Buffer\u003c\/td\u003e\n\u003ctd\u003e128MB DDR2 Memory\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\u003eAccessory Ports\u003c\/td\u003e\n\u003ctd\u003e4-Pin QHYCCD Filter Wheel Port, Hardware Trigger-In (RCA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Window\u003c\/td\u003e\n\u003ctd\u003eAR+AR Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnti-Dew Heater\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\u003e17.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical Interface\u003c\/td\u003e\n\u003ctd\u003eM42x0.75 Female Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e450g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e27W (100%), 12W (50%), 2W (0%)\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\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.qhyccd.com\/download\/\" 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\/qhyccd-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eQHYCCD Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"QHYCCD","offers":[{"title":"Default Title","offer_id":52942989197597,"sku":"QHY-110094","price":7800.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/QHYCCD-QHY1253P-Polarized-Camera-1_840a139a-ffe7-4f88-9c71-a94e2241111d.jpg?v=1789614940","url":"https:\/\/davidastro.com\/fr-us\/products\/qhyccd-qhy1253p","provider":"David Astro","version":"1.0","type":"link"}