{"title":"Caméras CMOS scientifiques QHYCCD","description":"\u003cp\u003eLes caméras CMOS scientifiques QHYCCD sont des caméras refroidies conçues pour l'imagerie de niveau recherche et l'astrophotographie exigeante. La gamme comprend les QHY600 à capteur plein format Sony IMX455, les caméras moyen format QHY461 et QHY411, la QHY4040 Pro et les caméras InGaAs QHY990 pour l'infrarouge à ondes courtes (SWIR).\u003c\/p\u003e\u003cp\u003eLes versions PRO ajoutent des interfaces de données plus rapides pour l'usage scientifique. Un ensemble QHY461M-PH avec roue à filtres QHYCFW3XL et diviseur optique QHYOAG-L est aussi proposé.\u003c\/p\u003e","products":[{"product_id":"qhyccd-qhy4040-fsi-scientific-cmos-camera","title":"QHYCCD QHY4040 FSI Caméra CMOS Scientifique","description":"\u003c!-- more --\u003e Caméra scientifique CMOS QHYCCD QHY4040 FSI","brand":"QHYCCD","offers":[{"title":"Classe 1","offer_id":44967213105437,"sku":"QHY-QHY4040C1","price":19320.0,"currency_code":"CAD","in_stock":true},{"title":"Classe 2","offer_id":44967213138205,"sku":"QHY-QHY4040C2","price":17892.0,"currency_code":"CAD","in_stock":true}]},{"product_id":"qhyccd-qhy600m-mono","title":"QHYCCD QHY600M Mono","description":"\u003c!-- more --\u003e QHYCCD QHY600M Mono","brand":"QHYCCD","offers":[{"title":"Camera Only","offer_id":49395972407581,"sku":"QHY-110064","price":6438.0,"currency_code":"CAD","in_stock":true},{"title":"QHY600M-PH with CFW3L","offer_id":49395972440349,"sku":"QHY-120004","price":6874.0,"currency_code":"CAD","in_stock":true},{"title":"QHY600M-PH with CFW3L and OAG-M Pro","offer_id":49395972473117,"sku":"QHY-120018","price":7154.0,"currency_code":"CAD","in_stock":true},{"title":"QHY600M-PH with CFW3XL and OAG-L Pro","offer_id":49395972505885,"sku":"QHY-120017","price":7742.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/1610053608.1280.1280.jpg?v=1684345821"},{"product_id":"qhyccd-qhy600c-color","title":"QHYCCD QHY600C Couleur","description":"\u003c!-- more --\u003e QHYCCD QHY600C Couleur","brand":"QHYCCD","offers":[{"title":"Modèle QHY600C-L Lite","offer_id":44967764721949,"sku":"QHY-QHY600C-L","price":5572.0,"currency_code":"CAD","in_stock":true},{"title":"Modèle photographique QHY600C-PH","offer_id":44967764754717,"sku":"QHY-110061","price":6439.0,"currency_code":"CAD","in_stock":true},{"title":"Modèle professionnel\/scientifique QHY600C-Pro","offer_id":44967764787485,"sku":"QHY-QHY600C-PRO","price":11193.0,"currency_code":"CAD","in_stock":true},{"title":"Modèle photographique à mise au point ultra courte QHY600C-PH","offer_id":44967764820253,"sku":"QHY-110065","price":6439.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/1610053608.1280.1280__55133.1610054207.1280.1280.jpg?v=1684345832"},{"product_id":"qhyccd-qhy600m-pro-i","title":"QHYCCD QHY600 Pro Series Monochrome CMOS Camera","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e61.17 Megapixel Full-Frame Sony IMX455 BSI Sensor\u003c\/li\u003e\n\u003cli\u003e3.76µm Pixel Size\u003c\/li\u003e\n\u003cli\u003eNative 16-bit Analog-to-Digital Conversion\u003c\/li\u003e\n\u003cli\u003e1.1e- Minimum Read Noise in High Gain Mode\u003c\/li\u003e\n\u003cli\u003e-35°C Below Ambient Two-Stage TEC Cooling\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\u003eQHY600 Pro Series Monochrome CMOS Camera\u003c\/h2\u003e\n\u003cp\u003eThe QHY600 Pro Series camera centers on the full-frame Sony IMX455 sensor, capturing a massive 61.17 megapixels across a 36mm by 24mm area. Its 3.76µm pixels are paired with a native 16-bit A\/D converter, providing 65,536 grayscale levels to resolve subtle tonal gradations in faint nebulae and bright stellar cores. In High Gain Mode, read noise drops to an exceptionally low 1.1e-, while a 2GB DDR3 memory buffer ensures stable, drop-free image transfer even at the camera's maximum 16-bit frame rate of 3.5 FPS over its 2x10Gbps fiber optic interface.\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 IMX455: 61.17 Megapixels and Native 16-bit ADC\u003c\/h3\u003e\n\u003cp\u003eThe foundation of the QHY600 Pro is its 36mm x 24mm back-illuminated Sony IMX455 sensor, which delivers an immense 9576 x 6388 pixel array. This scale allows you to frame enormous targets like the Andromeda Galaxy (M31) or the entire Veil Nebula complex in a single shot with wide-field refractors, eliminating the need for mosaics. The sensor's true, native 16-bit analog-to-digital converter digitizes the signal into 65,536 distinct levels, capturing vast dynamic range without the bit-depth scaling used in 12-bit or 14-bit cameras.\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\u003eReadout Architecture: 1.1e- Noise, \u0026gt;80ke- Full Well, and Zero Amp Glow\u003c\/h3\u003e\n\u003cp\u003eThe QHY600 Pro offers multiple readout modes to match your target. For faint, narrowband imaging, High Gain Mode achieves a minimal 1.1e- read noise, ensuring that the weakest H-alpha or OIII signal is not lost. For bright star clusters or galactic cores, the Extended Full Well Mode accommodates over 80,000 electrons per pixel, preventing saturated stars and preserving color data. Critically, the QHY600 Pro is engineered for zero amplifier glow, producing exceptionally clean and simple-to-calibrate dark frames, even on multi-hour 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\u003eData Throughput: 3.5 FPS at 16-bit via 2x10Gbps Fiber\u003c\/h3\u003e\n\u003cp\u003eWhile a standard USB3.0 port delivers up to 2.5 FPS at 16-bit, the QHY600 Pro's dual 10Gigabit fiber optic interface unlocks its full potential. Using this high-speed connection, the camera sustains a 3.5 FPS frame rate at full 16-bit resolution, ideal for lucky imaging, surveying, or scientific applications requiring high temporal resolution. A substantial 2GB DDR3 internal memory buffer acts as a shock absorber for data, preventing dropped frames during transfer and ensuring the integrity of your image sequence.\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\u003eThermal Management: Two-Stage TEC Cooling to -35°C Below Ambient\u003c\/h3\u003e\n\u003cp\u003eTo control thermal noise, the QHY600 Pro incorporates a powerful two-stage thermoelectric cooling system capable of reaching a delta of -35°C below ambient temperature for long exposures. This aggressive cooling dramatically reduces dark current to just 0.0022e-\/pixel\/sec at -20°C, yielding clean, low-noise subframes. An integrated anti-dew heater on the optical window and an internal humidity sensor protect the sensor from condensation, ensuring reliable operation through changing nighttime conditions.\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\u003eQHY600 Pro vs. ZWO ASI6200MM Pro: Core Similarities and Key Differences\u003c\/h3\u003e\n\u003cp\u003eBoth the QHY600 Pro and ZWO ASI6200MM Pro are built around the exceptional Sony IMX455 full-frame sensor and will produce outstanding images. The primary differences lie in the supporting hardware and data handling capabilities.\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eShared Strengths:\u003c\/strong\u003e Both cameras offer a 61.17 MP resolution, 3.76µm pixels, and a native 16-bit ADC. Your choice will likely depend on system integration and specific workflow needs rather than raw sensor imaging capability.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eQHY600 Pro Advantages:\u003c\/strong\u003e The QHY600 Pro features a significantly larger \u003cstrong\u003e2GB DDR3 buffer\u003c\/strong\u003e compared to the ASI6200's 512MB, providing greater protection against dropped frames during high-speed capture. It also includes a \u003cstrong\u003e2x10Gbps fiber optic interface\u003c\/strong\u003e for professional applications requiring higher sustained frame rates than USB3.0 can provide. Finally, its multiple readout modes offer a higher maximum full well capacity of \u003cstrong\u003e\u0026gt;80ke-\u003c\/strong\u003e for imaging bright targets.\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 QHY600 Pro's native 16-bit ADC affect my images?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA native 16-bit ADC provides 65,536 levels of brightness data, compared to the 4,096 levels of a 12-bit ADC. This results in smoother tonal gradations, especially in bright areas like the core of the Orion Nebula (M42) or bright star fields. You can stretch the data further in processing with less risk of posterization or banding artifacts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the advantage of the QHY600 Pro's 2x10Gbps fiber interface over USB3.0?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe 2x10Gbps fiber interface allows for higher sustained data rates, enabling the QHY600 Pro to achieve a faster frame rate of \u003cstrong\u003e3.5 FPS at 16-bit\u003c\/strong\u003e, compared to \u003cstrong\u003e2.5 FPS over USB3.0\u003c\/strong\u003e. This is critical for scientific applications, high-speed surveys, or advanced lucky imaging techniques where maximizing frame capture is essential. Fiber optic connections are also less susceptible to electronic interference over long distances.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhich readout mode on the QHY600 Pro is best for faint nebulae like the Horsehead Nebula (Barnard 33)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor extremely faint targets like the Horsehead Nebula, the \u003cstrong\u003eHigh Gain Mode\u003c\/strong\u003e is the optimal choice. This mode prioritizes minimizing read noise, dropping it to as low as \u003cstrong\u003e1.1e-\u003c\/strong\u003e. This ensures that the very faint signal from the nebula is not buried in the camera's electronic noise, leading to a cleaner final image with better contrast.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan the QHY600 Pro's 3.76µm pixels effectively sample a fast refractor like a 100mm f\/4?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. With a focal length of 400mm (100mm * f\/4), the QHY600 Pro's \u003cstrong\u003e3.76µm pixels\u003c\/strong\u003e would yield an image scale of 1.94 arcseconds per pixel. This is an excellent match for wide-field imaging under average seeing conditions (2-3 arcseconds), providing a good balance between resolution and a wide field of view without being oversampled.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does 'zero amplifier glow' on the QHY600 Pro mean for my calibration frames?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eZero amplifier glow means that the camera's electronics do not produce any unwanted light, which is a common issue in many CMOS sensors during long exposures. This simplifies your calibration process significantly. Your dark frames will be exceptionally clean, uniform, and free of complex gradients, making them more effective at removing thermal noise and hot pixels from your light frames.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy are there different back focus options for the QHY600 Pro?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe QHY600 Pro is available in different body styles to accommodate various imaging trains. The Standard Version (17.5mm) and SBFL (Shorter Back Focal Length) Version (14.5mm) provide flexibility for integrating different filter wheels, off-axis guiders, and other accessories while still reaching the correct spacing required by your telescope's flattener or reducer.\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\u003ctd colspan=\"2\"\u003e\u003cstrong\u003eSensor \u0026amp; Imaging\u003c\/strong\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImage Sensor\u003c\/td\u003e\n\u003ctd\u003eSony IMX455 BSI CMOS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEffective Pixels\u003c\/td\u003e\n\u003ctd\u003e61.17 Megapixels (9576 x 6388)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel Size\u003c\/td\u003e\n\u003ctd\u003e3.76µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Size\u003c\/td\u003e\n\u003ctd\u003e36mm x 24mm (Full Frame)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eA\/D Conversion\u003c\/td\u003e\n\u003ctd\u003eNative 16-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Well Capacity\u003c\/td\u003e\n\u003ctd\u003ePhotographic Mode: \u0026gt;51ke-\u003cbr\u003eExtended Full Well Mode: \u0026gt;80ke-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead Noise\u003c\/td\u003e\n\u003ctd\u003e1.1e- to 7.9e- (mode dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDark Current\u003c\/td\u003e\n\u003ctd\u003e0.0022e-\/pixel\/sec @ -20℃\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 Time Range\u003c\/td\u003e\n\u003ctd\u003e40µs to 3600s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd colspan=\"2\"\u003e\u003cstrong\u003eData \u0026amp; Connectivity\u003c\/strong\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComputer Interface\u003c\/td\u003e\n\u003ctd\u003eUSB3.0, 2x10Gigabit Fiber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuilt-in Image Buffer\u003c\/td\u003e\n\u003ctd\u003e2GB DDR3 Memory\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Frame Rate (USB3.0)\u003c\/td\u003e\n\u003ctd\u003e4.0 FPS @ 8-bit, 2.5 FPS @ 16-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Frame Rate (PCIE\/Fiber)\u003c\/td\u003e\n\u003ctd\u003e4.0 FPS @ 8-bit, 3.5 FPS @ 16-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Wheel Port\u003c\/td\u003e\n\u003ctd\u003e4-pin QHYCFW Port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTrigger\/GPS Port\u003c\/td\u003e\n\u003ctd\u003eProgrammable TrigOut, High Speed Sync, GPS Interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd colspan=\"2\"\u003e\u003cstrong\u003eThermal \u0026amp; Physical\u003c\/strong\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling System\u003c\/td\u003e\n\u003ctd\u003eTwo-Stage Thermoelectric Cooler (TEC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling Delta\u003c\/td\u003e\n\u003ctd\u003e-35°C below ambient (long exposure)\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\u003eHumidity Sensor\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Window\u003c\/td\u003e\n\u003ctd\u003eAR+AR Multi-Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Focal Length\u003c\/td\u003e\n\u003ctd\u003eStandard: 17.5mm (+6mm CAA)\u003cbr\u003eSBFL Version: 14.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApprox. 1kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e40W at 100% cooling\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\"\u003eContents To Be Confirmed\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003ePlease contact us for a list of included accessories.\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.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":52942984184093,"sku":"QHY-110168","price":11199.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/QHYCCD-QHY600-Pro-Series-1_1adbacfd-15b9-4d8f-989a-53d9df0c86bf.jpg?v=1789614839"},{"product_id":"qhyccd-qhy600m-pro-ii","title":"QHYCCD QHY600M PRO II Scientific Camera","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e61.17 Megapixel Full-Frame (36mm x 24mm) BSI CMOS Sensor\u003c\/li\u003e\n\u003cli\u003eNative 16-bit A\/D Conversion for 65,535 Gray Levels\u003c\/li\u003e\n\u003cli\u003eMultiple Readout Modes with Read Noise as low as 1.1e-\u003c\/li\u003e\n\u003cli\u003eExtended Full Well Capacity \u0026gt;80ke-\u003c\/li\u003e\n\u003cli\u003eDual-Stage TEC Cooling to -35°C Below Ambient\u003c\/li\u003e\n\u003cli\u003e2x10Gbps Fiber, Camera Link, and USB 3.0 Interfaces\u003c\/li\u003e\n\u003cli\u003e2GB DDR3 Image Buffer\u003c\/li\u003e\n\u003cli\u003e14.5mm Short Back Focus Design\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\u003eQHY600M PRO II Scientific Camera\u003c\/h2\u003e\n      \u003cp\u003eThe QHY600M PRO II scientific camera centers on the 61.17 Megapixel Sony IMX455 full-frame (36mm*24mm) monochrome sensor, pairing its 3.76µm pixels with a native 16-bit A\/D converter. Its multiple readout modes achieve read noise as low as 1.1e- in High Gain Mode while offering an extended full well capacity of over 80ke-. With a 2GB DDR3 buffer and a dual-stage TEC cooler capable of reaching -35℃ below ambient, this camera is built for demanding scientific and astrophotography applications.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003e61.17 MP Full-Frame BSI Sensor with Native 16-bit ADC\u003c\/h3\u003e\n      \u003cp\u003eAt the heart of the QHY600M Pro II is the Sony IMX455, a back-side illuminated (BSI) CMOS sensor with a massive 36mm*24mm imaging area. The 61.17 million 3.76µm pixels provide the resolution necessary to capture immense detail across wide fields of view, making it ideal for large mosaics or imaging with long focal length instruments. The native 16-bit A\/D converter delivers a dynamic range of 65,535 grayscale levels, allowing you to capture subtle tonal variations in faint nebulosity and bright star cores within a single exposure.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n    \n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eMulti-Mode Readout: 1.1e- Noise and \u0026gt;80ke- Full Well\u003c\/h3\u003e\n      \u003cp\u003eThe QHY600M Pro II provides several user-selectable readout modes, allowing you to optimize camera characteristics for your specific target. High Gain Mode drops read noise to an exceptionally low 1.1e-, perfect for narrowband imaging or capturing faint signals in short exposures. For brighter targets or LRGB imaging, Photographic Mode offers a balanced \u0026gt;51ke- full well, while Extended Full Well Mode pushes capacity to over 80ke-, preventing saturated stars in dense clusters and preserving color data.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003e-35°C TEC Cooling and Zero Amplifier Glow\u003c\/h3\u003e\n      \u003cp\u003eData integrity is paramount, and the QHY600M Pro II employs a powerful dual-stage TEC cooler to suppress thermal noise. Capable of achieving a delta of -35°C below ambient for long exposures, the cooling system keeps dark current down to just 0.0022e-\/pixel\/sec at -20°C. An integrated anti-dew heater and humidity sensor protect the sensor window from condensation. Critically, the camera is engineered for zero amplifier glow, eliminating a common source of image artifacts and simplifying calibration and processing.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003e2x10Gbps Fiber, USB 3.0, and a 2GB DDR3 Buffer\u003c\/h3\u003e\n      \u003cp\u003eA large 2GB DDR3 internal buffer ensures reliable, drop-free image transfer, even at high frame rates. While the USB 3.0 interface delivers a respectable 2.5 FPS at full 16-bit resolution, the QHY600M Pro II is equipped for professional data acquisition with dual 10-Gigabit fiber optic ports and dual Camera Link ports. These high-speed interfaces enable faster frame rates (up to 3.5 FPS at 16-bit in PCIE mode) and support long-distance, noise-immune cable runs essential for remote observatories and scientific research.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n    \n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eShorter 14.5mm Back Focus Body Style\u003c\/h3\u003e\n      \u003cp\u003eThis version of the QHY600M Pro II features the shorter body style, providing a minimal back focal length of 14.5mm. This compact design is a significant advantage for imagers using optical systems with limited back focus, such as refractors with field flatteners\/reducers or HyperStar configurations. The reduced physical depth leaves more room in the optical train for accessories like filter wheels, off-axis guiders, and adaptive optics units without risk of being unable to reach focus.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eQHY600 Pro II vs. ZWO ASI6200MM Pro: Connectivity and Readout Modes\u003c\/h3\u003e\n      \u003cp\u003eBoth the QHY600 Pro II and the ZWO ASI6200MM Pro are built around the same excellent Sony IMX455 full-frame sensor, offering identical resolution and pixel scale. The ZWO ASI6200 is a highly regarded camera with a robust software ecosystem and a smaller physical footprint.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eConnectivity:\u003c\/strong\u003e The QHY600 Pro II's primary advantage is its professional interface options. While the ASI6200 relies solely on USB 3.0, the QHY600 adds dual 10Gbps fiber optic and Camera Link ports, making it suitable for scientific applications requiring higher speeds or longer cable runs.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eImage Buffer:\u003c\/strong\u003e The QHY600 Pro II incorporates a 2GB DDR3 buffer, significantly larger than the 256MB buffer in the ASI6200MM Pro. This provides greater protection against dropped frames during data transfer, especially over slower USB connections.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eReadout Modes:\u003c\/strong\u003e QHY offers multiple, distinctly named readout modes (Photographic, High Gain, Extended Full Well) that allow users to precisely tailor noise and full well performance to their target.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat are the main advantages of the QHY600M Pro II's IMX455 sensor?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe Sony IMX455 is a \u003cstrong\u003efull-frame (36mm*24mm)\u003c\/strong\u003e back-side illuminated (BSI) sensor. Its key benefits are its massive \u003cstrong\u003e61.17 Megapixel\u003c\/strong\u003e resolution for capturing fine detail, small \u003cstrong\u003e3.76µm pixels\u003c\/strong\u003e that are well-suited to a wide range of telescope focal lengths, and its native \u003cstrong\u003e16-bit A\/D conversion\u003c\/strong\u003e for exceptional dynamic range in your images.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow should I choose between the QHY600's readout modes for astrophotography?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYou should select the mode based on your target and exposure strategy:\u003c\/p\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eHigh Gain Mode (1.1e- read noise):\u003c\/strong\u003e Use for faint targets, especially with narrowband filters like imaging the Cygnus Loop (NGC 6960), or for \"lucky imaging\" techniques with very short exposures.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003ePhotographic Mode (\u0026gt;51ke- full well):\u003c\/strong\u003e This is the best all-around mode for LRGB imaging of galaxies and nebulae where you need a balance of low noise and good dynamic range.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eExtended Full Well Mode (\u0026gt;80ke- full well):\u003c\/strong\u003e Choose this for targets with extremely bright stars, like the Pleiades (M45) or the core of the Orion Nebula (M42), to prevent saturation and preserve star color.\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 14.5mm short back focus on the QHY600M Pro II enable for my imaging train?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe \u003cstrong\u003e14.5mm back focus\u003c\/strong\u003e is crucial for complex imaging setups on telescopes with limited focus travel, such as a fast refractor with a reducer\/flattener. It provides the necessary physical space to install a full accessory chain—like a 7-position filter wheel and an off-axis guider—while still being able to achieve perfect focus.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhy would I use the 2x10Gbps fiber optic interface on the QHY600M Pro II instead of USB 3.0?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe \u003cstrong\u003e2x10Gbps fiber optic interface\u003c\/strong\u003e offers two main advantages over USB 3.0. First, it supports higher sustained data rates (up to \u003cstrong\u003e3.5 FPS @ 16-bit\u003c\/strong\u003e in PCIE mode), which is beneficial for applications like photometry or surveying. Second, fiber optic cables can be run over much longer distances than USB without signal degradation, making it the ideal choice for remote observatories.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the QHY600M Pro II's cooling system handle noise and amp glow?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe camera uses a powerful dual-stage TEC cooler that can reach \u003cstrong\u003e-35℃ below ambient\u003c\/strong\u003e, drastically reducing thermal noise to just \u003cstrong\u003e0.0022e-\/pixel\/sec at -20℃\u003c\/strong\u003e. Furthermore, the QHY600M Pro II is specifically designed to produce \u003cstrong\u003ezero amplifier glow\u003c\/strong\u003e, which means you don't have to worry about the bright glow at the edge of the frame that affects many other cameras. This results in cleaner raw data and simplifies your calibration process.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eIs the QHY600M Pro II's native 16-bit ADC a significant upgrade from a 12-bit or 14-bit camera?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes. A \u003cstrong\u003enative 16-bit A\/D converter\u003c\/strong\u003e provides 65,535 distinct brightness levels, compared to 16,384 for a 14-bit camera or 4,096 for a 12-bit camera. This massive increase in dynamic range allows the QHY600M Pro II to capture smooth gradients in faint nebulosity while simultaneously recording accurate data in bright star cores without clipping, all within a single sub-exposure.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003ctable class=\"DAV-specifications\"\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eImage Sensor\u003c\/td\u003e\n\u003ctd\u003eSony IMX455 BSI CMOS\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eEffective Pixels\u003c\/td\u003e\n\u003ctd\u003e61.17 Megapixels (9576 x 6388)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003ePixel Size\u003c\/td\u003e\n\u003ctd\u003e3.76µm\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eSensor Size\u003c\/td\u003e\n\u003ctd\u003e36mm x 24mm (Full Frame)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eA\/D Converter\u003c\/td\u003e\n\u003ctd\u003eNative 16-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eFull Well Capacity\u003c\/td\u003e\n\u003ctd\u003ePhotographic Mode: \u0026gt;51ke-\u003cbr\u003eExtended Full Well Mode: \u0026gt;80ke-\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eRead Noise\u003c\/td\u003e\n\u003ctd\u003eHigh Gain Mode: 1.1e- to 3.6e-\u003cbr\u003ePhotography DSO Mode: 1.9e- to 7.8e-\u003cbr\u003eExtend Fullwell Mode: 5.4e- to 7.9e-\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eDark Current\u003c\/td\u003e\n\u003ctd\u003e0.0022 e-\/pixel\/sec @ -20℃\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 Time Range\u003c\/td\u003e\n\u003ctd\u003e40µs to 3600s\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eImage Buffer\u003c\/td\u003e\n\u003ctd\u003e2GB DDR3 Memory\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eCooling System\u003c\/td\u003e\n\u003ctd\u003eDual-Stage TEC\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eCooling Delta\u003c\/td\u003e\n\u003ctd\u003e-35℃ below ambient (long exposure)\u003cbr\u003e-30℃ below ambient (short exposure)\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\u003eHumidity Sensor\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eComputer Interface\u003c\/td\u003e\n\u003ctd\u003eUSB3.0, 2x 10Gigabit Fiber, 2x Camera Link (Pro II Version)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eFull Frame Rate (USB3.0)\u003c\/td\u003e\n\u003ctd\u003e4.0 FPS @ 8-bit, 2.5 FPS @ 16-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eFull Frame Rate (PCIE Mode)\u003c\/td\u003e\n\u003ctd\u003e4.0 FPS @ 8-bit, 3.5 FPS @ 16-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eBack Focal Length\u003c\/td\u003e\n\u003ctd\u003e14.5mm (SBFL Version)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eOptical Window\u003c\/td\u003e\n\u003ctd\u003eAR+AR Multi-Layer Anti-Reflection Coating\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e40W (100%), 20W (50%), 13.8W (0%)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eAbout 1kg\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eFirmware Upgrade\u003c\/td\u003e\n\u003ctd\u003eSupported via USB port\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cul class=\"DAV-grid\"\u003e\n  \u003c\/ul\u003e\n\u003c\/li\u003e\n\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\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":52942984446237,"sku":"QHY-110111","price":12599.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/QHYCCD-QHY600-Pro-Series-1-110111_693e0ebb-5e76-45b5-9837-d2aa82e8bccb.jpg?v=1789614847"},{"product_id":"qhyccd-qhy600m-pro-sbfl","title":"QHYCCD QHY600M PRO SBFL Monochrome CMOS Camera","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e61.17 Megapixel Full-Frame (36mm x 24mm) Sony IMX455 Sensor\u003c\/li\u003e\n\u003cli\u003e3.76μm Square Pixels\u003c\/li\u003e\n\u003cli\u003eNative 16-bit A\/D Conversion\u003c\/li\u003e\n\u003cli\u003e1.1e- Minimum Read Noise in High Gain Mode\u003c\/li\u003e\n\u003cli\u003eDual-Stage TEC Cooling to -35°C Below Ambient\u003c\/li\u003e\n\u003cli\u003e2GB DDR3 Image Buffer\u003c\/li\u003e\n\u003cli\u003e14.5mm Short Back Focus (SBFL Version)\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\u003eQHY600M PRO SBFL Monochrome CMOS Camera\u003c\/h2\u003e\n\u003cp\u003eThe QHY600M PRO SBFL combines a full-frame 36mm x 24mm Sony IMX455 monochrome sensor with a professional-grade feature set designed for uncompromising astronomical imaging. Its 61.17 Megapixel resolution and 3.76μm pixels are capable of capturing vast, high-resolution fields of view with remarkable detail. With a native 16-bit A\/D converter, multiple readout modes that push read noise down to 1.1e-, and a 2GB DDR3 buffer, this camera delivers the deep dynamic range and clean data required for both scientific research and advanced astrophotography.\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\u003e61.17MP IMX455: Native 16-Bit BSI Imaging\u003c\/h3\u003e\n\u003cp\u003eAt the heart of the QHY600 Pro is the back-illuminated Sony IMX455 sensor, which provides exceptional sensitivity across the visible spectrum. The camera's true native 16-bit A\/D converter captures 65,536 levels of gray, ensuring smooth tonal gradations from the brightest stellar cores to the faintest wisps of nebulosity. This deep data capture is supported by several user-selectable readout modes to match your target.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhotographic Mode:\u003c\/strong\u003e Offers a deep full well capacity of over 51,000 electrons, ideal for capturing bright objects in a single exposure without saturation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Gain Mode:\u003c\/strong\u003e Reduces read noise to an exceptionally low 1.1e-, perfect for narrowband imaging or short exposures where every photon counts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Full Well Mode:\u003c\/strong\u003e Pushes the capacity to over 80,000 electrons, providing immense dynamic range for targets with extreme brightness differences, like the core of the Orion Nebula (M42).\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\u003e2x 10G Fiber \u0026amp; 2GB DDR3: 4.0 FPS Full-Frame Capture\u003c\/h3\u003e\n\u003cp\u003eFor applications requiring high-speed data transfer, such as survey work or advanced lucky imaging, the QHY600 Pro includes dual 10-Gigabit fiber optic ports alongside a standard USB 3.0 interface. This professional data connection allows the camera to sustain a full-frame capture rate of 4.0 FPS in 8-bit mode. A massive 2GB DDR3 internal memory buffer ensures that no frames are dropped during high-cadence capture, providing a stable and reliable data stream 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\u003e-35°C Cooling and 0.0022e-\/s Dark Current\u003c\/h3\u003e\n\u003cp\u003eThermal noise is the enemy of long-exposure astrophotography. The QHY600 Pro employs a powerful dual-stage thermoelectric cooling system capable of reducing the sensor temperature to 35°C below ambient. This aggressive cooling dramatically lowers thermal signal, resulting in an extremely low dark current of just 0.0022 electrons per pixel per second at -20°C. Combined with its zero-amplifier-glow design, the camera produces exceptionally clean and easily calibrated raw frames, even on multi-hour 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\u003e14.5mm Short Back Focus (SBFL) Design\u003c\/h3\u003e\n\u003cp\u003eThis SBFL (Short Back Focus Length) version of the QHY600 Pro is specifically engineered for complex imaging trains. With a back focus distance of just 14.5mm, it provides critical space for accessories like filter wheels, off-axis guiders, and rotators while still meeting the strict spacing requirements of field flatteners and reducers. This thoughtful design element simplifies setup and ensures optimal optical correction across the entire full-frame sensor.\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\u003eQHY600 Pro vs. ZWO ASI6200MM Pro: A Pro-Level Comparison\u003c\/h3\u003e\n\u003cp\u003eBoth the QHY600 Pro and the ZWO ASI6200MM Pro are built around the same excellent Sony IMX455 sensor, offering identical resolution and pixel scale. The primary differences lie in their architecture and intended applications.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eZWO's Advantage:\u003c\/strong\u003e The ASI6200MM Pro integrates seamlessly into the ASIAIR ecosystem, offering a streamlined, tablet-controlled workflow that is highly popular for its simplicity and field-friendliness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQHY's Advantage:\u003c\/strong\u003e The QHY600 Pro is built for professional and research-grade applications. Its key differentiators are the dual 10-Gigabit fiber optic ports for high-speed data transfer, a massive 2GB DDR3 buffer (compared to 512MB in the ASI6200), and multiple selectable readout modes that offer greater flexibility in optimizing full well capacity versus read noise. The native 16-bit A\/D is also a significant feature for maximizing dynamic range.\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 are the different readout modes on the QHY600 Pro for?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe QHY600 Pro offers several readout modes to optimize performance for different targets. \u003cstrong\u003ePhotographic Mode\u003c\/strong\u003e provides a deep full well of over 51ke- for general use. \u003cstrong\u003eHigh Gain Mode\u003c\/strong\u003e drops read noise to as low as 1.1e-, ideal for faint targets and narrowband imaging. \u003cstrong\u003eExtended Full Well Mode\u003c\/strong\u003e increases capacity to over 80ke-, perfect for scenes with extreme dynamic range like bright star clusters or galactic cores.\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 2x 10Gbps fiber interface on the QHY600 Pro?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe dual 10-Gigabit fiber optic ports provide an extremely fast and reliable data connection for demanding applications. This interface allows the QHY600 Pro to stream full-resolution 16-bit images at up to 3.5 FPS (in PCIE mode), a rate that is difficult to sustain over USB 3.0. It is designed for professional observatories, scientific surveys, and remote imaging setups where data integrity and speed are paramount.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the QHY600 Pro's 14.5mm back focus (SBFL version) help my imaging setup?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003e14.5mm back focus\u003c\/strong\u003e of the SBFL model provides extra space in your optical train. This is crucial when using accessories like a filter wheel, an off-axis guider (OAG), and a rotator, all of which consume back focus. The shorter distance makes it easier to achieve the precise 55mm spacing required by most flatteners and correctors while accommodating a full imaging stack.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the QHY600 Pro have amplifier glow?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. The QHY600 Pro is engineered with a design that produces \u003cstrong\u003ezero amplifier glow\u003c\/strong\u003e. This means your long-exposure images will be free from the characteristic glow at the edges of the frame, resulting in cleaner data that is simpler to calibrate and process.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow will the QHY600 Pro perform on a wide-field refractor for imaging the North America Nebula (NGC 7000)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe QHY600 Pro is an ideal match for this scenario. Its large \u003cstrong\u003e36mm x 24mm full-frame sensor\u003c\/strong\u003e will easily capture the entire expanse of the North America Nebula (NGC 7000) and the adjacent Pelican Nebula (IC 5070) in a single frame with a short focal length refractor. The \u003cstrong\u003e3.76μm pixels\u003c\/strong\u003e provide excellent resolution for fine details within the nebulae's dark lanes and emission regions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the QHY600 Pro suitable for high-speed \"lucky imaging\" of the Moon with a large SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. While it's primarily a deep-sky camera, the QHY600 Pro's ROI (Region of Interest) capabilities make it very effective for lunar and solar imaging. By selecting a smaller readout area, you can achieve very high frame rates, such as \u003cstrong\u003e47 FPS in 8-bit mode for a 480-line ROI\u003c\/strong\u003e over USB 3.0. The large \u003cstrong\u003e2GB DDR3 buffer\u003c\/strong\u003e is essential here, preventing dropped frames during these high-speed captures to freeze atmospheric 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\u003eProduct Variant\u003c\/td\u003e\n\u003ctd\u003eQHY600M PRO SBFL; Class 1, Mono, BSI, Air Cooling, Short Back Focus, 2 x 10GB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImage Sensor\u003c\/td\u003e\n\u003ctd\u003eSony IMX455, Back-Side Illuminated (BSI) CMOS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEffective Pixels\u003c\/td\u003e\n\u003ctd\u003e61.17 Megapixels (9576 x 6388)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Size\u003c\/td\u003e\n\u003ctd\u003e36mm x 24mm (Full Frame)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel Size\u003c\/td\u003e\n\u003ctd\u003e3.76μm x 3.76μm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eA\/D Conversion\u003c\/td\u003e\n\u003ctd\u003eNative 16-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Well Capacity\u003c\/td\u003e\n\u003ctd\u003ePhotographic Mode: \u0026gt;51ke- | Extended Mode: \u0026gt;80ke-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead Noise\u003c\/td\u003e\n\u003ctd\u003e1.1e- to 7.9e- (Across various modes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDark Current\u003c\/td\u003e\n\u003ctd\u003e0.0022e-\/pixel\/sec @ -20℃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExposure Time Range\u003c\/td\u003e\n\u003ctd\u003e40μs to 3600s\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\u003eComputer Interface\u003c\/td\u003e\n\u003ctd\u003eUSB 3.0, 2x 10-Gigabit Fiber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuilt-in Image Buffer\u003c\/td\u003e\n\u003ctd\u003e2GB DDR3 Memory\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Frame Rate (USB 3.0)\u003c\/td\u003e\n\u003ctd\u003e4.0 FPS @ 8-bit, 2.5 FPS @ 16-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Frame Rate (PCIE Mode)\u003c\/td\u003e\n\u003ctd\u003e4.0 FPS @ 8-bit, 3.5 FPS @ 16-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eROI Frame Rate (USB 3.0)\u003c\/td\u003e\n\u003ctd\u003eUp to 47 FPS @ 8-bit (480 lines)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling System\u003c\/td\u003e\n\u003ctd\u003eDual-Stage TEC, Typically -35°C below ambient\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Focal Length\u003c\/td\u003e\n\u003ctd\u003e14.5mm (SBFL Version)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnti-Dew Heater\u003c\/td\u003e\n\u003ctd\u003eAvailable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity Sensor\u003c\/td\u003e\n\u003ctd\u003eAvailable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Wheel Interface\u003c\/td\u003e\n\u003ctd\u003e4-PIN QHYCCD CFW Port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTrigger Port\u003c\/td\u003e\n\u003ctd\u003eProgrammable TrigOut, High Speed Sync Port \/ GPS interface Port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptic Window\u003c\/td\u003e\n\u003ctd\u003eAR+AR Multi-Layer Anti-Reflection Coating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFirmware Upgradeable\u003c\/td\u003e\n\u003ctd\u003eAvailable via USB port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eAbout 1kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e40W at 100% cooling\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":52942984970525,"sku":"QHY-110066","price":11199.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/QHYCCD-QHY600-Pro-Series-1-110066_748b4e27-d661-4eb0-913d-71bfb1a54608.jpg?v=1789614855"},{"product_id":"qhyccd-qhy600c-pro-sbfl","title":"QHYCCD QHY600C PRO SBFL Scientific Color CMOS Camera","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e61.17 Megapixel Full-Frame (36mm x 24mm) Sony IMX455 BSI CMOS Sensor\u003c\/li\u003e\n\u003cli\u003eNative 16-bit A\/D Conversion for 65,535 grayscale levels\u003c\/li\u003e\n\u003cli\u003eRead Noise as low as 1.1e- in High Gain Mode\u003c\/li\u003e\n\u003cli\u003e2GB DDR3 Image Buffer for drop-free transfer\u003c\/li\u003e\n\u003cli\u003eDual 10Gigabit Fiber and USB3.0 computer interfaces\u003c\/li\u003e\n\u003cli\u003eShort Back Focus (SBFL) design with 14.5mm spacing\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\u003eQHY600C PRO SBFL Scientific Color CMOS Camera\u003c\/h2\u003e\n\u003cp\u003eThe QHY600C PRO SBFL combines a full-frame 61.17 megapixel Sony IMX455 BSI sensor with a native 16-bit A\/D converter, delivering an unprecedented level of resolution and dynamic range for scientific imaging. With multiple readout modes offering noise as low as 1.1e- and a full well capacity exceeding 80ke-, this camera captures both the faintest nebulosity and brightest stellar cores in a single exposure. Data integrity is ensured by a 2GB DDR3 buffer and dual 2x10Gigabit Fiber interfaces, enabling a full-resolution 16-bit frame rate of up to 3.5 FPS for demanding research applications.\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\u003eFull-Frame 61.17MP Sony IMX455 Sensor: Native 16-Bit Depth\u003c\/h3\u003e\n\u003cp\u003eAt the heart of the QHY600C Pro is the 36mm x 24mm Sony IMX455 sensor, which provides an enormous 9576 x 6388 pixel array. The 3.76µm pixels are an ideal match for high-resolution refractors and corrected reflectors, sampling the sky with immense detail. Unlike cameras that use 12-bit or 14-bit conversion, the QHY600 Pro employs a true, native 16-bit A\/D converter, rendering 65,535 distinct grayscale levels for exceptionally smooth tonal gradations in 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\u003eMulti-Mode Readout: 1.1e- Read Noise and \u0026gt;80ke- Full Well\u003c\/h3\u003e\n\u003cp\u003eThe QHY600C Pro offers several selectable readout modes to optimize the camera for any target. In High Gain Mode, read noise plummets to a mere 1.1e-, allowing you to extract faint signal from photon-starved regions with minimal noise penalty. For bright targets or long-exposure narrowband imaging, the Extended Full Well Mode expands pixel capacity to over 80ke-, preventing saturated stars and preserving highlight detail. This flexibility, combined with a dark current of just 0.0022e-\/pixel\/sec at -20°C and zero amplifier glow, ensures a clean, data-rich foundation for your 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\u003eProfessional I\/O: 2x10Gbit Fiber, USB3.0, and a 2GB DDR3 Buffer\u003c\/h3\u003e\n\u003cp\u003eDesigned for applications where speed and reliability are critical, the QHY600C Pro includes both a standard USB3.0 port and a dual 10Gigabit Fiber Optic interface. The fiber connection allows for high-speed data transfer over long distances, delivering up to 3.5 FPS at full 16-bit resolution. To handle this massive data stream without dropped frames, the camera incorporates a 2GB DDR3 memory buffer, a feature essential for remote observatories and automated scientific surveys.\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\u003eRegulated Cooling to -35°C Below Ambient\u003c\/h3\u003e\n\u003cp\u003eThermal noise is suppressed by a powerful dual-stage thermoelectric cooling system, capable of achieving a regulated temperature typically -35°C below ambient for long exposures. This aggressive cooling dramatically reduces dark current, a critical factor for clean, multi-hour integrations. To combat condensation in humid environments, the camera is equipped with a built-in anti-dew heater for the optical window and an internal humidity sensor to monitor conditions within the sealed sensor chamber.\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\u003eShort Back Focus (SBFL) Design: 14.5mm for Complex Imaging Trains\u003c\/h3\u003e\n\u003cp\u003eThis SBFL (Short Back Focus) version of the QHY600 Pro is engineered with a reduced back focus distance of just 14.5mm. This minimal spacing is a critical advantage for imagers using complex optical trains that include filter wheels, off-axis guiders, and adaptive optics. The reduced profile provides the extra room needed to accommodate these accessories while still reaching the precise 55mm back focus required by most coma correctors and field flatteners.\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\u003eQHY600 Pro SBFL vs. Standard: Which Version is Right?\u003c\/h3\u003e\n\u003cp\u003eThe primary difference between the QHY600 Pro models is the back focal length. This SBFL model has 14.5mm of back focus, while the standard version has 17.5mm. While a 3mm difference seems small, it can be the deciding factor in a complex imaging train.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChoose the SBFL (14.5mm) version if:\u003c\/strong\u003e You use a filter wheel (typically 20mm thick) and an off-axis guider (typically 10-15mm thick). The shorter back focus of the camera itself provides the necessary space to fit these components within the standard 55mm spacing of your corrector.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChoose the Standard (17.5mm) version if:\u003c\/strong\u003e Your imaging train is simpler, perhaps using only a filter drawer or no accessories between the camera and corrector. The standard version allows for more straightforward connections with fewer thin, specialized adapters.\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 are the main benefits of the QHY600C Pro's 16-bit A\/D converter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA native \u003cstrong\u003e16-bit A\/D converter\u003c\/strong\u003e allows the QHY600C Pro to distinguish between 65,535 different levels of brightness. Compared to 12-bit (4,096 levels) or 14-bit (16,384 levels) cameras, this provides significantly smoother tonal transitions and greater dynamic range, especially in bright objects with subtle details like the core of the Orion Nebula (M42) or bright globular clusters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the 2GB DDR3 buffer on the QHY600C Pro prevent dropped frames?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003e2GB DDR3 buffer\u003c\/strong\u003e acts as a high-speed temporary storage for image frames before they are transferred to the computer. When the host computer or USB bus is temporarily busy, the buffer holds the incoming data from the 61.17MP sensor, preventing data loss. This is crucial for maintaining a stable frame rate, especially during high-speed ROI imaging or when running multiple applications on the control PC.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the QHY600C Pro's 3.76µm pixel size perform with a 500mm f\/5 refractor for imaging the North American Nebula (NGC 7000)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWith a 500mm focal length telescope, the QHY600C Pro's \u003cstrong\u003e3.76µm pixels\u003c\/strong\u003e yield an image scale of 1.55 arcseconds per pixel. This is an excellent match for typical seeing conditions (1.5-3.0 arcseconds), ensuring you capture sharp, well-sampled stellar detail across the vast expanse of the North American Nebula (NGC 7000). The full-frame sensor will easily frame the entire nebula and the neighboring Pelican Nebula (IC 5070) in a single shot.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat readout mode on the QHY600C Pro is best for imaging faint galactic details in M51 with an 11\" SCT at f\/7?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor capturing the faint tidal tails and dust lanes of the Whirlpool Galaxy (M51) with an SCT, the \u003cstrong\u003eHigh Gain Mode\u003c\/strong\u003e is the ideal choice. This mode reduces the read noise to as low as \u003cstrong\u003e1.1e-\u003c\/strong\u003e, which allows you to stack many shorter exposures to build up signal-to-noise on faint structures without being dominated by camera noise. This strategy also helps mitigate the impact of tracking errors or seeing fluctuations during a long imaging session.\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 2x10Gigabit Fiber interface on the QHY600C Pro?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003e2x10Gigabit Fiber interface\u003c\/strong\u003e is a professional feature for applications requiring very high data rates over long distances, such as remote observatories or scientific surveys. It allows the camera to stream data at its maximum frame rate (e.g., 3.5 FPS @ 16-bit) without the bandwidth limitations or distance constraints of USB3.0, ensuring perfect data integrity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy is the Short Back Focus (14.5mm) version of the QHY600C Pro necessary?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eShort Back Focus (SBFL) version (14.5mm)\u003c\/strong\u003e is specifically designed for imagers who use multiple accessories like filter wheels, off-axis guiders, or adaptive optics. These components add significant length to the optical path. The SBFL's shorter body provides the critical extra millimeters needed to fit all accessories into the light path and still achieve the standard 55mm back focus distance required by most field flatteners and coma correctors.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the QHY600C Pro suffer from amplifier glow?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. The QHY600C Pro is designed to produce \u003cstrong\u003ezero amplifier glow\u003c\/strong\u003e, regardless of exposure length or gain setting. This simplifies calibration by eliminating the need for complex dark frame libraries that must perfectly match the exposure time and temperature of your light frames.\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 IMX455 Color BSI CMOS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Format\u003c\/td\u003e\n\u003ctd\u003eFull Frame (36mm x 24mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e9576 x 6388 (61.17 Megapixels)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel Size\u003c\/td\u003e\n\u003ctd\u003e3.76µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eA\/D Conversion\u003c\/td\u003e\n\u003ctd\u003eNative 16-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Well Capacity\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;51ke- (Photographic Mode) \/ \u0026gt;80ke- (Extended Mode)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead Noise\u003c\/td\u003e\n\u003ctd\u003e1.1e- to 7.8e- (Mode Dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDark Current\u003c\/td\u003e\n\u003ctd\u003e0.0022e-\/pixel\/sec @ -20°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImage Buffer\u003c\/td\u003e\n\u003ctd\u003e2GB DDR3 Memory\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Frame Rate (16-bit)\u003c\/td\u003e\n\u003ctd\u003e2.5 FPS (USB3.0) \/ 3.5 FPS (PCIE Mode)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling System\u003c\/td\u003e\n\u003ctd\u003eDual-Stage TEC, -35°C below ambient (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnti-Dew \/ Humidity\u003c\/td\u003e\n\u003ctd\u003eYes, built-in heater and humidity sensor\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\u003e40µs - 3600s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComputer Interface\u003c\/td\u003e\n\u003ctd\u003eUSB3.0, 2x10Gigabit Fiber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccessory Ports\u003c\/td\u003e\n\u003ctd\u003e4PIN QHYCCD CFW Port, Trigger\/GPS Port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Focal Length\u003c\/td\u003e\n\u003ctd\u003e14.5mm (SBFL Version)\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\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApprox. 1kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eUp to 40W (100% cooling)\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":52942985429277,"sku":"QHY-110067","price":11199.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/QHYCCD-QHY600-Pro-Series-1-110067_649cf6e8-13f1-4c3c-a7aa-3b23c0dd5653.jpg?v=1789614863"},{"product_id":"qhyccd-qhy411m-pro","title":"QHYCCD QHY411M PRO Monochrome Medium Format Camera","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e150 Megapixel Monochrome BSI Sensor\u003c\/li\u003e\n\u003cli\u003e54mm x 40mm Medium Format Sensor Size\u003c\/li\u003e\n\u003cli\u003eNative 16-bit A\/D Conversion\u003c\/li\u003e\n\u003cli\u003e80,000e- Full Well Capacity\u003c\/li\u003e\n\u003cli\u003eDual 10 Gigabit Ethernet Interface\u003c\/li\u003e\n\u003cli\u003eAdvanced Air and Liquid Cooling System\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\u003eQHY411M PRO Monochrome Medium Format Camera\u003c\/h2\u003e\n\u003cp\u003eThe QHY411M PRO combines a massive 150-megapixel monochrome sensor with a 54mm x 40mm medium format area for professional astronomical surveys and imaging. Its back-illuminated architecture and native 16-bit A\/D conversion capture a vast dynamic range, supported by a deep 80ke- full well capacity. To handle the immense data volume from its sensor, the camera features dual 10 Gigabit Ethernet interfaces for high-speed, reliable transfer.\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\u003eA 150 Megapixel, 54mm x 40mm Medium Format Sensor\u003c\/h3\u003e\n\u003cp\u003eAt the heart of the QHY411M PRO is a scientific-grade, back-side illuminated (BSI) CMOS sensor with a resolution of 150 megapixels. The enormous 54mm x 40mm physical size is ideal for wide-field survey telescopes, capturing vast swaths of the sky in a single frame. The native 16-bit A\/D converter samples the signal at 65,536 levels, allowing you to record subtle brightness variations in faint nebulae and distant galaxies with exceptional precision.\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\u003eDual 10 Gigabit Ethernet for High-Speed Data Transfer\u003c\/h3\u003e\n\u003cp\u003eA 150-megapixel, 16-bit image generates a significant amount of data. To prevent readout bottlenecks, the QHY411M PRO is equipped with two 10 Gigabit Ethernet fiber optic ports. This high-throughput interface ensures that data is transferred from the camera to the control computer rapidly, a critical requirement for survey work, satellite tracking, and any application demanding high frame rates at full resolution.\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\u003e8 Readout Modes and On-Chip Binning for Scientific Flexibility\u003c\/h3\u003e\n\u003cp\u003eThe QHY411M PRO provides maximum flexibility with eight distinct readout modes tailored to different observing scenarios. For applications requiring higher sensitivity and frame rates over raw resolution, the camera supports on-chip pixel binning. In 2x2 binning mode, four pixels are combined to create a larger 7.5µm x 7.5µm pixel, boosting the full well capacity to an immense 320,000e-. The camera also supports a 3x3 on-chip binning mode for 12-bit, high-speed applications.\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\u003eAdvanced Air and Liquid Cooling for the 150MP QHY411M PRO\u003c\/h3\u003e\n\u003cp\u003eMaintaining a stable, low temperature is crucial for minimizing thermal noise during long exposures. The QHY411M PRO incorporates a robust cooling system that supports both standard air cooling and a liquid cooling option. For observatory installations or demanding scientific applications, connecting a liquid coolant circuit provides the highest level of thermal stability, ensuring consistent, low-noise performance regardless of ambient conditions.\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\u003eQHY411M Pro vs. QHY461M Pro: Sensor Size and Resolution\u003c\/h3\u003e\n\u003cp\u003eThe primary distinction between these two professional cameras lies in their sensor specifications. The QHY461M Pro offers a smaller 44mm x 33mm sensor with 100 megapixels, resulting in more manageable file sizes. However, the QHY411M Pro's larger 54mm x 40mm sensor and 150-megapixel resolution give it a decisive advantage for applications where maximizing the field of view and angular resolution is the top priority, such as large-scale mosaic projects and all-sky surveys.\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 are the main applications for the QHY411M PRO's 150MP sensor?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe QHY411M PRO is designed for professional and advanced applications that benefit from its enormous field of view and high resolution. Key uses include \u003cstrong\u003eastronomical surveys\u003c\/strong\u003e for discovering asteroids or supernovae, \u003cstrong\u003esatellite tracking\u003c\/strong\u003e, and creating ultra-detailed, large-scale mosaics of deep-sky objects like the Andromeda Galaxy (M31) or the Milky Way core.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the QHY411M PRO's dual 10 Gigabit Ethernet interface work?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe dual 10 Gigabit Ethernet ports provide an extremely fast data pipeline from the camera to your computer. This is necessary to handle the large files produced by the 150-megapixel sensor without long waits between exposures. This professional-grade interface is significantly faster than standard USB 3.0 and is essential for high-cadence observing programs.\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 QHY411M PRO's native 16-bit A\/D?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA \u003cstrong\u003enative 16-bit\u003c\/strong\u003e Analog-to-Digital (A\/D) converter allows the camera to distinguish between 65,536 different levels of brightness. This is a massive improvement over 12-bit or 14-bit cameras and results in smoother tonal gradations and the ability to capture faint details in nebulosity without saturating bright stars in the same field.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow would I use the QHY411M PRO's binning modes for imaging a faint supernova remnant like the Veil Nebula (NGC 6960)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor a faint, expansive target like the Veil Nebula (NGC 6960), using the \u003cstrong\u003e2x2 binning mode\u003c\/strong\u003e on the QHY411M PRO would be highly effective. This mode increases the full well capacity to 320,000e- and boosts sensitivity, allowing you to capture the delicate filamentary structure with shorter exposures. While you sacrifice some resolution, the improved signal-to-noise ratio is often a worthwhile trade-off for such targets.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the QHY411M PRO suitable for a fast, wide-field instrument like a 14\" f\/5 Rowe-Ackermann Schmidt Astrograph (RASA)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the QHY411M PRO is an excellent match for large, corrected astrographs. The camera's massive 54mm x 40mm sensor is designed to take full advantage of the large, flat image circles produced by instruments like a large RASA or other survey telescopes, ensuring you can utilize the telescope's entire corrected field of view without vignetting.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhen should I use liquid cooling over air cooling with the QHY411M PRO?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile the standard air cooling is effective for many situations, \u003cstrong\u003eliquid cooling\u003c\/strong\u003e is recommended for achieving the absolute lowest and most stable sensor temperatures. You should use it in warm environments, during very long imaging sessions, or for scientific applications like photometry where minimizing thermal noise drift is critical for data consistency.\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\u003eModel\u003c\/td\u003e\n\u003ctd\u003eQHY411M PRO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Type\u003c\/td\u003e\n\u003ctd\u003eMonochrome BSI CMOS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e150 Megapixels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Size\u003c\/td\u003e\n\u003ctd\u003e54mm x 40mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eA\/D Conversion\u003c\/td\u003e\n\u003ctd\u003eNative 16-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Well Capacity\u003c\/td\u003e\n\u003ctd\u003e80,000e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Well (2x2 Binning)\u003c\/td\u003e\n\u003ctd\u003e320,000e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerged Pixel Size (2x2 Binning)\u003c\/td\u003e\n\u003ctd\u003e7.5µm x 7.5µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReadout Modes\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Interface\u003c\/td\u003e\n\u003ctd\u003e2 x 10 Gigabit Ethernet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eAir and Liquid Cooling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Class\u003c\/td\u003e\n\u003ctd\u003eClass 1\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":52942987231517,"sku":"QHY-110052","price":70000.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/QHYCCD-QHY411-461-M-C-Pro-1_6a1fb701-5000-4283-86ef-8b0ab61dabed.jpg?v=1789614882"},{"product_id":"qhyccd-qhy411c-pro","title":"QHYCCD QHY411C PRO Color BSI Cooled Camera","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eScientific-Grade Class 1 BSI CMOS Sensor\u003c\/li\u003e\n\u003cli\u003eMedium-Format Color Imaging\u003c\/li\u003e\n\u003cli\u003eDual 10 Gigabit Ethernet (2 x 10GB) Interface\u003c\/li\u003e\n\u003cli\u003eHybrid Air and Liquid Cooling System\u003c\/li\u003e\n\u003cli\u003eNative 16-bit A\/D Conversion\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\u003eQHY411C PRO Color BSI Cooled Camera\u003c\/h2\u003e\n\u003cp\u003eThe QHY411C PRO is a scientific-grade Class 1 color camera built for professional astronomical imaging, space object surveys, and satellite tracking. Its medium-format, back-side illuminated (BSI) sensor is managed by a powerful hybrid cooling system with both air and liquid options for ultimate thermal stability. Data transfer is handled by a dual 10 Gigabit Ethernet (2 x 10GB) interface, providing the high-speed offload necessary for its high-resolution files and flexible readout modes.\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\u003eClass 1 BSI Sensor: Scientific-Grade Imaging\u003c\/h3\u003e\n\u003cp\u003eAt the core of the QHY411C PRO is a Class 1 back-side illuminated (BSI) CMOS sensor. This architecture places the sensor's wiring layer behind the photodiodes, maximizing photon collection efficiency. Combined with a native 16-bit analog-to-digital converter, the sensor captures subtle signal variations with high fidelity, producing a vast dynamic range ideal for imaging targets with both faint and bright regions.\u003c\/p\u003e\n\u003cp\u003eThe large full-well capacity, a direct benefit of the back-illuminated pixel structure, allows for longer sub-exposures without saturating stars. This capability is further enhanced with on-chip binning modes, which merge charge from adjacent pixels to create larger super-pixels, increasing sensitivity and full-well depth for specialized applications.\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\u003eDual 10GbE Interface: High-Speed, Flexible Readout\u003c\/h3\u003e\n\u003cp\u003eTo handle the massive amount of data generated by its medium-format sensor, the QHY411C PRO incorporates a dual 10 Gigabit Ethernet (2 x 10GB) interface. This high-throughput connection is essential for transferring full-resolution frames quickly to your control computer, minimizing download times between exposures and enabling high-cadence survey work.\u003c\/p\u003e\n\u003cp\u003eThe camera offers multiple readout modes, giving you the flexibility to prioritize speed, read noise, or dynamic range depending on the target. This allows you to tailor the camera's operation for everything from tracking fast-moving satellites to long-exposure deep-sky imaging from a remote observatory.\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\u003eHybrid Cooling: Air and Liquid Thermal Control\u003c\/h3\u003e\n\u003cp\u003eConsistent sensor temperature is critical for clean, low-noise scientific data. The QHY411C PRO features a robust cooling system that offers both high-efficiency air cooling and ports for a liquid cooling loop. This dual approach ensures stable, regulated temperatures below ambient, drastically reducing thermal noise during long exposures.\u003c\/p\u003e\n\u003cp\u003eFor fixed observatory installations, integrating a liquid chiller allows for maximum cooling and thermal stability, independent of changes in the ambient air temperature. This is a crucial feature for repeatable scientific measurements, photometric analysis, and creating master 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\u003eQHY411 Pro vs. QHY461 Pro: Sensor Scale and Application\u003c\/h3\u003e\n\u003cp\u003eThe QHY411 Pro and its sibling, the QHY461 Pro, share a similar architecture, including BSI sensors, native 16-bit A\/D, and dual 10GbE interfaces. The primary distinction lies in their sensor size and resolution, which dictates their ideal applications.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQHY411 Pro:\u003c\/strong\u003e Features a larger sensor and higher megapixel count. This makes it the preferred choice for wide-field surveys and imaging with large, corrected astrographs where maximizing the field of view is the primary goal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQHY461 Pro:\u003c\/strong\u003e Offers a smaller medium-format sensor with a lower megapixel count. It is an excellent match for optical systems that cannot illuminate the larger sensor of the QHY411, providing a high-resolution solution without compromise.\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 are the main applications for the QHY411C PRO camera?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe QHY411C PRO is designed for demanding applications that require a large field of view and high dynamic range. Its primary uses include \u003cstrong\u003eprofessional astronomical imaging\u003c\/strong\u003e, \u003cstrong\u003ewide-field sky surveys\u003c\/strong\u003e for discovering asteroids or supernovae, and \u003cstrong\u003esatellite tracking\u003c\/strong\u003e where its high resolution and flexible readout modes are critical.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the 2 x 10GB interface on the QHY411C PRO improve imaging sessions?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe dual 10 Gigabit Ethernet interface provides extremely fast data transfer speeds. For a camera with a high-megapixel, medium-format sensor, this means the time you spend waiting for an image to download is significantly reduced. This is crucial for survey work requiring high cadence and for any user who wants to minimize the idle time between exposures.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the advantage of the QHY411C PRO's back-illuminated (BSI) sensor?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA \u003cstrong\u003eBack-Side Illuminated (BSI)\u003c\/strong\u003e sensor has its wiring matrix placed behind the light-sensitive photodiode layer. This prevents the circuitry from obstructing incoming photons, leading to higher Quantum Efficiency (sensitivity) compared to traditional front-illuminated sensors. The result is better signal collection, especially for faint targets.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan the QHY411C PRO be used with a Ritchey-Chrétien telescope for galaxy imaging?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, absolutely. The QHY411C PRO's large sensor format is an excellent match for large, corrected instruments like Ritchey-Chrétien (RC) telescopes. When paired with an RC that has a sufficiently large, flat image circle, you can capture detailed, high-resolution images of large targets like the Andromeda Galaxy (M31) or galaxy clusters in Virgo in a single frame.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy does the QHY411C PRO offer both air and liquid cooling?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis hybrid system offers maximum flexibility. \u003cstrong\u003eAir cooling\u003c\/strong\u003e is sufficient for many environments and provides a simple, self-contained solution. \u003cstrong\u003eLiquid cooling\u003c\/strong\u003e, using an external chiller, provides superior thermal stability and deeper cooling, making it ideal for permanent observatory setups or for use in hot climates where air cooling alone might be insufficient to reach the target sensor temperature.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does \"native 16-bit A\/D\" mean for the QHY411C PRO?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNative 16-bit Analog-to-Digital (A\/D) conversion means the camera can distinguish between 65,536 levels of brightness. This high bit depth provides smoother tonal gradations and allows you to capture immense detail in both the faint, nebulous regions and the bright cores of objects like the Orion Nebula (M42) within the same exposure.\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\u003eProduct Line\u003c\/td\u003e\n\u003ctd\u003eScientific Cameras - QHY411C PRO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Class\u003c\/td\u003e\n\u003ctd\u003eClass 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Type\u003c\/td\u003e\n\u003ctd\u003eColor, Back-Side Illuminated (BSI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling System\u003c\/td\u003e\n\u003ctd\u003eHybrid Air and Liquid Cooling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Interface\u003c\/td\u003e\n\u003ctd\u003e2 x 10 Gigabit Ethernet\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\"\u003eBox contents are not specified for this product variant. Please contact us for configuration details.\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.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":52942987854109,"sku":"QHY-110112","price":70000.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/QHYCCD-QHY411-461-M-C-Pro-1-110112_3137ecc1-1cc9-4c64-bd68-a2c1eb151834.jpg?v=1789614890"},{"product_id":"qhyccd-qhy461m-pro","title":"QHYCCD QHY461M PRO Scientific Medium Format Monochrome Camera","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eClass 1 Scientific-Grade BSI Sensor\u003c\/li\u003e\n\u003cli\u003eMonochrome Medium Format\u003c\/li\u003e\n\u003cli\u003eDual Air and Liquid Cooling System\u003c\/li\u003e\n\u003cli\u003e2 x 10 Gigabit Ethernet Interface\u003c\/li\u003e\n\u003cli\u003eNative 16-bit A\/D Conversion\u003c\/li\u003e\n\u003cli\u003eMultiple Flexible Readout Modes\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\u003eQHY461M PRO Scientific Medium Format Monochrome Camera\u003c\/h2\u003e\n\u003cp\u003eThe QHY461M PRO is a scientific-grade medium format camera, built around a Class 1 monochrome, back-side illuminated sensor for professional research and imaging. Data transfer is handled by a dual 10 Gigabit Ethernet interface, ensuring high-speed readout for demanding applications like space object surveys and satellite 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\u003eClass 1 Monochrome BSI Sensor: Scientific-Grade Medium Format\u003c\/h3\u003e\n\u003cp\u003eAt the core of the QHY461M PRO is a medium format, back-side illuminated (BSI) monochrome sensor. The BSI architecture maximizes quantum efficiency by placing the sensor's wiring layer behind the photodiodes, while its native 16-bit A\/D conversion delivers exceptional dynamic range. This camera is specified with a Class 1 sensor, indicating the highest grade of cosmetic and performance quality for scientific applications.\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\u003eDual Cooling System: Air and Liquid Thermal Control\u003c\/h3\u003e\n\u003cp\u003eFor consistent, low-noise results, the QHY461M PRO incorporates a powerful dual cooling system. It features both high-speed air cooling and ports for a liquid cooling circuit, providing maximum flexibility for thermal management. This ensures stable sensor temperatures and minimized thermal noise, whether deployed in an observatory dome or a remote field installation.\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\u003e2 x 10 Gigabit Ethernet Interface for High-Speed Readout\u003c\/h3\u003e\n\u003cp\u003eTo manage the immense data generated by its medium format sensor, the QHY461M PRO is equipped with a dual 10 Gigabit Ethernet (10GbE) interface. This high-throughput connection is critical for achieving the highest possible frame rates and for applications that require rapid, full-frame downloads. The dual-port design provides the bandwidth necessary for large-scale surveys and tracking fast-moving objects without compromise.\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 Readout Modes for Advanced Applications\u003c\/h3\u003e\n\u003cp\u003eThe QHY461M PRO offers multiple readout modes to adapt to various imaging scenarios. This flexibility allows you to prioritize different performance characteristics, such as lowest read noise, highest full well capacity, or maximum frame rate. With access to on-chip binning and different readout architectures, you can optimize the camera's configuration for everything from faint-flux astronomical imaging to high-speed satellite 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\u003eQHY461M Pro vs. QHY411 Pro: A Medium Format Comparison\u003c\/h3\u003e\n\u003cp\u003eThe primary distinction between the QHY461M Pro and its sibling, the QHY411 Pro, lies in sensor size and total resolution. The choice depends entirely on your instrument's corrected image circle and scientific goals.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQHY411 Pro Advantage:\u003c\/strong\u003e The QHY411 Pro features a larger 54mm x 40mm sensor with 150 megapixels, offering a vast field of view for instruments that can fully illuminate its surface. This makes it a premier choice for large survey telescopes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQHY461M Pro Advantage:\u003c\/strong\u003e The QHY461M Pro uses a 44mm x 33mm sensor with 100 megapixels. While smaller, this sensor is still firmly in the medium format class and is a better match for telescopes with a smaller corrected image circle, preventing vignetting and ensuring full-field illumination. Both cameras share the same core BSI architecture, 16-bit A\/D, and dual 10GbE interface.\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 QHY461M PRO a \"scientific\" camera?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe QHY461M PRO is designated as a scientific camera due to several key features. It uses a \u003cstrong\u003eClass 1 sensor\u003c\/strong\u003e, the highest grade available, ensuring minimal defects. Its combination of \u003cstrong\u003eair and liquid cooling\u003c\/strong\u003e provides robust thermal stability for low-noise, repeatable measurements. Finally, its \u003cstrong\u003enative 16-bit A\/D converter\u003c\/strong\u003e and multiple readout modes offer the dynamic range and flexibility required for research applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the dual 10 Gigabit Ethernet interface on the QHY461M PRO benefit large surveys?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor large astronomical surveys, speed is critical. The QHY461M PRO's dual 10 Gigabit Ethernet (10GbE) interface provides the massive bandwidth needed to download its large, 100-megapixel files very quickly. This minimizes the dead time between exposures, maximizing the amount of sky you can cover in a single night.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of telescope is the QHY461M PRO best suited for?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe QHY461M PRO's 44mm x 33mm medium format sensor requires a telescope with a large, well-corrected image circle. It is an ideal match for high-end instruments like large-aperture Richey-Chrétien (RC) telescopes, corrected Dall-Kirkhams, or large astrographs designed specifically for wide-field imaging. Using it with a smaller telescope would result in significant vignetting.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the advantage of the QHY461M PRO's dual air and liquid cooling system?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe dual system offers maximum flexibility. \u003cstrong\u003eAir cooling\u003c\/strong\u003e is sufficient for many environments and provides a simple, self-contained solution. For observatories in warmer climates or for applications requiring the absolute lowest and most stable sensor temperatures, the \u003cstrong\u003eliquid cooling\u003c\/strong\u003e circuit provides superior thermal performance by efficiently transferring heat away from the camera body.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eThe QHY461M PRO is monochrome. What do I need to produce color images?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eTo create color images with the monochrome QHY461M PRO, you will need a set of astronomical filters (typically Luminance, Red, Green, and Blue) and a filter wheel. You take separate exposures through each filter and then combine them during image processing to create a full-color (LRGB) result. This method provides the highest possible resolution and signal-to-noise ratio.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eShould I choose the QHY461M PRO or the QHY411 Pro for my observatory?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe choice depends on your telescope's corrected image circle. The \u003cstrong\u003eQHY411 Pro\u003c\/strong\u003e has a larger 150MP sensor (54x40mm) and is the better choice only if your telescope can illuminate that entire area without vignetting. The \u003cstrong\u003eQHY461M PRO\u003c\/strong\u003e has a 100MP sensor (44x33mm) and is a better match for a wider range of large astrographs, ensuring you are only paying for the sensor area your telescope can actually use effectively.\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\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003eScientific Cameras - QHY461M PRO; Class 1, Mono BSI, Air and Liquid Cooling, 2 x 10BG\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":52942988149021,"sku":"QHY-110053","price":36400.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/QHYCCD-QHY411-461-M-C-Pro-1-110053_2a9ae869-597a-4ce6-ad75-6dcf9fd2ab37.jpg?v=1789614899"},{"product_id":"qhyccd-qhy461c-pro","title":"QHYCCD QHY461C PRO Color CMOS Camera","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e100 Megapixel Medium Format Sensor\u003c\/li\u003e\n\u003cli\u003e44mm x 33mm Sensor Size\u003c\/li\u003e\n\u003cli\u003eNative 16-bit A\/D Conversion\u003c\/li\u003e\n\u003cli\u003eBack-Side Illuminated (BSI) CMOS Architecture\u003c\/li\u003e\n\u003cli\u003eDual 10 GigaE High-Speed Data Ports\u003c\/li\u003e\n\u003cli\u003eHybrid Air and Liquid Cooling System\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\u003eQHY461C PRO Color CMOS Camera\u003c\/h2\u003e\n\u003cp\u003eThe QHY461C PRO integrates a colossal 100-megapixel medium format sensor, covering a vast 44mm x 33mm area for professional survey and imaging applications. Its back-illuminated architecture and native 16-bit A\/D converter capture enormous, high-dynamic-range fields of view, while the dual 10 GigaE interface provides the necessary throughput to handle the massive data stream from its 100 million pixels.\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\u003e100 Megapixel Medium Format: The 44x33mm BSI Sensor\u003c\/h3\u003e\n\u003cp\u003eAt the core of the QHY461C PRO is a scientific-grade 100-megapixel color CMOS sensor. With a physical size of 44mm x 33mm, this sensor is built for wide-field survey telescopes and large-format astrographs, capable of capturing entire nebula complexes or galaxy clusters in a single frame with immense resolution. The back-illuminated (BSI) design maximizes photon collection, essential for detecting faint signals in astronomical and satellite tracking applications.\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\u003eDual 10 GigaE Interface for High-Speed Readout\u003c\/h3\u003e\n\u003cp\u003eA 100-megapixel sensor generates an immense amount of data with every exposure. To prevent data bottlenecks and enable high-speed applications like satellite tracking, the QHY461C PRO is equipped with two 10 Gigabit Ethernet ports. This dual-channel interface ensures the camera can read out the full sensor resolution at a rate that keeps pace with demanding scientific requirements, transferring huge files to your control system efficiently.\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\u003eHybrid Air and Liquid Cooling for Scientific-Grade Stability\u003c\/h3\u003e\n\u003cp\u003eMaintaining a stable, low sensor temperature is critical for long-exposure imaging and repeatable scientific measurements. The QHY461C PRO features a robust cooling system that supports both high-efficiency air cooling and a liquid cooling option for maximum thermal stability. This hybrid approach ensures minimal thermal noise during data acquisition, a necessity for achieving the highest possible signal-to-noise ratio.\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\u003e8 Flexible Readout Modes for Diverse Applications\u003c\/h3\u003e\n\u003cp\u003eThe QHY461C PRO is engineered for adaptability across various scientific fields. It features eight distinct readout modes, allowing you to optimize the camera's behavior for specific tasks, from high-speed space object surveys to low-noise, long-exposure deep-sky imaging. This flexibility ensures you can configure the sensor to prioritize speed, dynamic range, or the lowest possible read noise depending on your target.\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\u003eQHY461C Pro vs. QHY411 Pro: A 100 MP vs. 150 MP Comparison\u003c\/h3\u003e\n\u003cp\u003eThe primary distinction between the QHY461C Pro and its sibling, the QHY411 Pro, lies in sensor size and resolution. Your choice depends on the specific requirements of your optical system and imaging goals.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQHY411 Pro Advantage:\u003c\/strong\u003e The QHY411 Pro offers a larger 150-megapixel sensor measuring 54mm x 40mm. This provides an even wider field of view and higher total resolution, making it a premier choice for instruments with very large, corrected image circles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQHY461C Pro Advantage:\u003c\/strong\u003e The 100-megapixel, 44mm x 33mm sensor of the QHY461C Pro is still a massive medium-format chip that will exceed the corrected field of many telescopes. For systems where the 54mm x 40mm sensor would show vignetting or edge-of-field aberrations, the QHY461C Pro provides a better-matched solution without sacrificing the benefits of a large-format BSI sensor.\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 QHY461C PRO's 100 MP sensor suitable for scientific surveys?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe QHY461C PRO's massive \u003cstrong\u003e44mm x 33mm sensor\u003c\/strong\u003e allows it to capture extremely wide fields of view. This is critical for survey applications like searching for asteroids, tracking space debris, or mapping large areas of the Milky Way, as it reduces the number of individual frames needed to cover a target area.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the native 16-bit ADC on the QHY461C PRO benefit astronomical imaging?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA \u003cstrong\u003enative 16-bit A\/D converter\u003c\/strong\u003e provides a vast dynamic range, allowing the QHY461C PRO to capture subtle details in faint nebulosity and fine gradations in bright galactic cores within the same exposure. This is essential for creating high-fidelity images of objects with a wide range of brightness levels, like the Orion Nebula (M42).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy does the QHY461C PRO have two 10 GigaE ports?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eReading out a \u003cstrong\u003e100-megapixel sensor\u003c\/strong\u003e generates a huge amount of data. A single standard interface would be a significant bottleneck. The dual \u003cstrong\u003e10 GigaE ports\u003c\/strong\u003e work in tandem to provide the high-speed data transfer necessary to move large files quickly, enabling faster frame rates for applications like satellite tracking and preventing delays between exposures.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow would I use the different readout modes of the QHY461C PRO for tracking a satellite versus imaging the Andromeda Galaxy (M31)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor tracking a fast-moving satellite, you would select one of the \u003cstrong\u003eeight readout modes\u003c\/strong\u003e optimized for speed, accepting slightly higher read noise to achieve the necessary frame rate. For imaging the Andromeda Galaxy (M31), you would choose a mode optimized for the lowest possible read noise and highest dynamic range, allowing for long, deep exposures to capture faint outer spiral arms.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of telescope is needed to fully utilize the QHY461C PRO's 44x33mm sensor?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eTo take full advantage of the QHY461C PRO's large sensor, you need a telescope with a large, flat, and well-corrected image circle. Professional instruments like large Ritchey-Chrétien telescopes, wide-field refractors with dedicated field flatteners, or systems like a Rowe-Ackermann Schmidt Astrograph (RASA) are ideal candidates.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat are the advantages of the QHY461C PRO's hybrid air and liquid cooling system?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe hybrid system offers maximum flexibility. \u003cstrong\u003eAir cooling\u003c\/strong\u003e is convenient for many situations, while \u003cstrong\u003eliquid cooling\u003c\/strong\u003e provides superior thermal stability, especially in warm environments or during very long imaging sequences. This ensures sensor temperature remains constant, which is critical for accurate calibration with dark frames.\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\u003eModel\u003c\/td\u003e\n\u003ctd\u003eQHY461C PRO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Class\u003c\/td\u003e\n\u003ctd\u003eClass 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e100 Megapixels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Size\u003c\/td\u003e\n\u003ctd\u003e44mm x 33mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChroma\u003c\/td\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Architecture\u003c\/td\u003e\n\u003ctd\u003eBack-Side Illuminated (BSI) CMOS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eA\/D Converter\u003c\/td\u003e\n\u003ctd\u003eNative 16-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Interface\u003c\/td\u003e\n\u003ctd\u003e2 x 10 GigaE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling System\u003c\/td\u003e\n\u003ctd\u003eHybrid Air and Liquid Cooling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReadout Modes\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section-center\"\u003e\n        \u003cp\u003eThis product does not ship with any accessories by default. Please consult your telescope's requirements for appropriate adapters and power supplies.\u003c\/p\u003e\n    \u003c\/div\u003e\n\u003c\/div\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":52942988280093,"sku":"QHY-110113","price":36400.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/QHYCCD-QHY411-461-M-C-Pro-1-110113_b29fba49-745a-460a-9bb1-2eb1914ce83f.jpg?v=1789614908"},{"product_id":"qhyccd-qhy990","title":"QHYCCD QHY990 Series SWIR Camera","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eSony InGaAs Sensor for Short-Wave Infrared (SWIR) Imaging\u003c\/li\u003e\n\u003cli\u003eBroad Spectral Response from 400 nm to 1700 nm\u003c\/li\u003e\n\u003cli\u003eHigh 77% Quantum Efficiency at 1200 nm\u003c\/li\u003e\n\u003cli\u003eRegulated Air Cooling to 35°C Below Ambient\u003c\/li\u003e\n\u003cli\u003eIntegrated 25mm Filter Holder with C-Mount Interface\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\u003eQHY990 Series SWIR Camera\u003c\/h2\u003e\n\u003cp\u003eThe QHY990 series scientific cameras harness the Sony InGaAs sensor to deliver high-sensitivity imaging across a broad 400–1700 nm spectral range. Reaching a peak Quantum Efficiency of 77% at 1200 nm, these cameras are engineered for demanding short-wave infrared (SWIR) applications. A powerful air cooling system achieves a sensor temperature 35°C below ambient, critical for managing the higher dark current inherent in InGaAs sensors and ensuring low-noise results.\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 InGaAs Sensor: 77% QE Across the 400-1700 nm SWIR Band\u003c\/h3\u003e\n\u003cp\u003eAt the core of the QHY990 is a Sony InGaAs sensor designed for scientific SWIR detection. Its spectral response extends from visible blue light at 400 nm well into the infrared at 1700 nm, with a notable peak QE of 77% at 1200 nm. This sensitivity makes it ideal for applications like spectroscopy, material analysis, and night vision research. The sensor's Cu-Cu interconnect technology also minimizes fixed-pattern noise (FPN) and reduces the pixel defect ratio, producing cleaner, more uniform 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\u003eDeep Cooling for InGaAs: 35°C Below Ambient via Air\u003c\/h3\u003e\n\u003cp\u003eInGaAs sensors generate significantly more thermal noise than silicon-based sensors, making active cooling a necessity for any serious application. The QHY990 series integrates a high-efficiency cooling system that reduces the sensor temperature by a delta of 35°C below the ambient environment using forced air. For even more demanding scenarios, the camera also supports liquid cooling, which can achieve 45°C below ambient with standard water, and up to 80°C below ambient with chilled liquids, enabling longer exposures and lower noise floors.\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\u003eIntegrated 25mm Filter Holder with 17.5mm C-Mount Back Focus\u003c\/h3\u003e\n\u003cp\u003eDesigned for easy integration into laboratory and industrial optical systems, the QHY990 features a standard C-mount interface with a 17.5mm back focus distance. The camera includes a built-in filter holder designed for common 25mm filters. This allows for the straightforward installation of SWIR bandpass or other specialized filters directly into the camera body, simplifying the optical train and ensuring consistent results.\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 applications are best suited for the QHY990 SWIR camera?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe QHY990 is designed for scientific and industrial short-wave infrared (SWIR) applications. Its high sensitivity between \u003cstrong\u003e400 nm and 1700 nm\u003c\/strong\u003e makes it ideal for material sorting, agricultural analysis (e.g., moisture content), semiconductor inspection, medical imaging, and SWIR spectroscopy.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy is powerful cooling necessary for the QHY990's InGaAs sensor?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eInGaAs sensors inherently produce a higher dark current than silicon-based CMOS or CCD sensors. The QHY990's regulated cooling system, which can lower the sensor temperature by \u003cstrong\u003e35°C below ambient\u003c\/strong\u003e, is essential for reducing this thermal noise. This allows for longer exposure times and cleaner data, which is critical for detecting faint signals.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the advantage of the Sony sensor's Cu-Cu interconnect technology in the QHY990?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Copper-to-Copper interconnect is a modern sensor manufacturing technique that creates a more direct and efficient connection between pixel layers. For the QHY990, this results in significantly lower \u003cstrong\u003eFixed-Pattern Noise (FPN)\u003c\/strong\u003e and a very low defect pixel ratio, leading to cleaner, more uniform images that require less complex calibration.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the QHY990 for SWIR spectroscopy to analyze moisture in food products?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, this is an excellent application for the QHY990. Water has strong absorption bands in the SWIR range, particularly around 1450 nm. The camera's high sensitivity across the \u003cstrong\u003e400 nm to 1700 nm\u003c\/strong\u003e spectrum allows you to capture detailed spectral data in this region to quantify moisture content accurately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow would the QHY990 be used for silicon wafer inspection in a lab?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eSilicon becomes transparent at wavelengths longer than approximately 1100 nm. The QHY990's peak sensitivity at \u003cstrong\u003e1200 nm\u003c\/strong\u003e and its broad response out to \u003cstrong\u003e1700 nm\u003c\/strong\u003e allow it to see through silicon wafers to detect subsurface defects, cracks, or misalignments that are invisible to standard visible-light cameras.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat filters can I install in the QHY990's built-in filter holder?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe QHY990 camera includes an integrated holder for standard \u003cstrong\u003e25mm diameter filters\u003c\/strong\u003e. This is a common size for laboratory applications, allowing you to easily install various SWIR bandpass, longpass, or shortpass filters to isolate specific wavelengths for your research.\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 InGaAs (IMX990\/IMX991\/IMX992)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Technology\u003c\/td\u003e\n\u003ctd\u003eCu-Cu Interconnect\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpectral Range\u003c\/td\u003e\n\u003ctd\u003e400 nm – 1700 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Quantum Efficiency\u003c\/td\u003e\n\u003ctd\u003e77% at 1200 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling System\u003c\/td\u003e\n\u003ctd\u003eRegulated Air and Liquid Cooling Support\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Cooling Performance\u003c\/td\u003e\n\u003ctd\u003eΔT = 35°C below ambient\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLiquid Cooling (Water)\u003c\/td\u003e\n\u003ctd\u003eΔT = 45°C below ambient\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLiquid Cooling (Cold Liquid)\u003c\/td\u003e\n\u003ctd\u003eΔT = 60°C to 80°C below ambient\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eC-Mount\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\u003eFilter Holder\u003c\/td\u003e\n\u003ctd\u003eIntegrated, for 25 mm filters\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\"\u003eBox contents not specified by the manufacturer.\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.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\u003ca href=\"https:\/\/davidastro.com\/pages\/qhyccd-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eQHYCCD Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"QHYCCD","offers":[{"title":"Default Title","offer_id":52942989656349,"sku":"QHY-110090","price":20972.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/QHYCCD-QHY990-QHY991-QHY992-SWIR-Cameras-1_55586edd-0e7a-46bd-a1a9-857f4e0a065a.jpg?v=1789614966"},{"product_id":"qhyccd-qhy990pro-ii","title":"QHYCCD QHY990 PRO II SWIR InGaAs Scientific Camera","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eBroad 400-1700 nm Spectral Response\u003c\/li\u003e\n\u003cli\u003e77% Peak Quantum Efficiency at 1200 nm\u003c\/li\u003e\n\u003cli\u003eHybrid Air and Liquid Cooling System\u003c\/li\u003e\n\u003cli\u003eCools up to 80°C Below Ambient\u003c\/li\u003e\n\u003cli\u003eDual 10GbE and Camera Link Interfaces\u003c\/li\u003e\n\u003cli\u003eIntegrated 25mm Filter Holder\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\u003eQHY990 PRO II SWIR InGaAs Scientific Camera\u003c\/h2\u003e\n\u003cp\u003eThe QHY990 PRO II is a scientific short-wave infrared (SWIR) camera built around a Sony InGaAs sensor, delivering a broad spectral response from 400 nm to 1700 nm. It achieves a peak Quantum Efficiency of 77% at 1200 nm, capturing faint signals well beyond the range of silicon-based sensors. To manage the inherent dark current of its InGaAs sensor, a powerful hybrid cooling system provides regulated cooling down to 35°C below ambient on air or up to 80°C below ambient with liquid coolant.\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 InGaAs Sensor: 77% QE from 400 to 1700 nm\u003c\/h3\u003e\n\u003cp\u003eAt the core of the QHY990 PRO II is a scientific-grade Sony InGaAs sensor designed for high sensitivity across a wide spectral range of 400 nm to 1700 nm. With a peak QE of 77% at 1200 nm, this camera excels at applications requiring detection in the near-infrared. The sensor's Cu-Cu interconnect technology results in very low Fixed Pattern Noise (FPN) and a low defect pixel ratio, ensuring clean and uniform data for precise measurements.\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\u003eHybrid Cooling: Down to -80°C Below Ambient for Low-Noise SWIR\u003c\/h3\u003e\n\u003cp\u003eInGaAs sensors inherently produce more dark current than their silicon counterparts, making aggressive cooling essential for scientific imaging. The QHY990 PRO II addresses this with a flexible hybrid cooling system. Standard air cooling achieves a delta of 35°C below ambient, while the liquid cooling circuit can reach 45°C below ambient with tap water or as low as 60°C to 80°C below ambient with a chilled liquid supply, dramatically reducing thermal noise for long 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\u003eLab-Ready Integration: Dual 10GbE, C-Mount, and 25mm Filter Support\u003c\/h3\u003e\n\u003cp\u003eDesigned for seamless integration into scientific and industrial systems, the QHY990 PRO II features robust connectivity options. Dual 10 Gigabit Ethernet ports and a Camera Link interface provide the high-speed data transfer required for demanding applications. The camera uses a standard C-mount with a 17.5mm back focus distance and includes an integrated holder for common 25mm lab filters, simplifying its installation in complex optical trains.\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 QHY990 PRO II suitable for SWIR imaging?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe QHY990 PRO II uses a \u003cstrong\u003eSony InGaAs sensor\u003c\/strong\u003e with a broad spectral response from \u003cstrong\u003e400 nm to 1700 nm\u003c\/strong\u003e. This allows it to detect light in the short-wave infrared spectrum, where traditional silicon sensors are not sensitive. Its high quantum efficiency, peaking at \u003cstrong\u003e77% at 1200 nm\u003c\/strong\u003e, makes it ideal for scientific applications like spectroscopy, material analysis, and biological imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the cooling system on the QHY990 PRO II work?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe QHY990 PRO II features a hybrid cooling system to combat the high dark current of its InGaAs sensor. You can operate it in two modes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAir Cooling:\u003c\/strong\u003e Achieves a temperature delta of \u003cstrong\u003e35°C below ambient\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLiquid Cooling:\u003c\/strong\u003e Can reach \u003cstrong\u003e45°C below ambient\u003c\/strong\u003e with normal water, or up to \u003cstrong\u003e60°C to 80°C below ambient\u003c\/strong\u003e using a chilled liquid source for maximum noise reduction.\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 standard 1-inch lab filters with the QHY990 PRO II?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The camera includes an integrated filter holder designed for standard \u003cstrong\u003e25mm filters\u003c\/strong\u003e, which are equivalent to the common 1-inch filter size used in many laboratory and industrial applications. This allows for easy installation of bandpass, neutral density, or other analytical filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eI need to integrate the QHY990 PRO II into an industrial inspection system. What are my connectivity options?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe QHY990 PRO II is equipped for high-throughput environments. It offers both \u003cstrong\u003edual 10 Gigabit Ethernet (10GbE) ports\u003c\/strong\u003e and a \u003cstrong\u003eCamera Link interface\u003c\/strong\u003e. These connections provide the high-speed, reliable data transfer necessary for machine vision, quality control, and scientific data acquisition.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the advantage of the Cu-Cu interconnect technology in the QHY990 PRO II's sensor?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe sensor's \u003cstrong\u003eCopper-to-Copper (Cu-Cu) interconnect technology\u003c\/strong\u003e is a modern fabrication method that creates a more direct and efficient connection within the pixel architecture. For the user, this translates to significantly lower \u003cstrong\u003eFixed Pattern Noise (FPN)\u003c\/strong\u003e and a reduced number of defect pixels, resulting in cleaner, more uniform images straight from the camera.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the optical interface of the QHY990 PRO II camera?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe QHY990 PRO II uses a standard \u003cstrong\u003eC-mount\u003c\/strong\u003e optical interface. It has a back focus distance of \u003cstrong\u003e17.5mm\u003c\/strong\u003e, making it compatible with a wide range of C-mount lenses, microscopes, and other laboratory optical equipment.\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 InGaAs SWIR Sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Class\u003c\/td\u003e\n\u003ctd\u003eClass 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpectral Range\u003c\/td\u003e\n\u003ctd\u003e400 nm – 1700 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Quantum Efficiency\u003c\/td\u003e\n\u003ctd\u003e77% at 1200 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Technology\u003c\/td\u003e\n\u003ctd\u003eCu-Cu Interconnect\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling System\u003c\/td\u003e\n\u003ctd\u003eHybrid Air \u0026amp; Liquid Cooling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Cooling Performance\u003c\/td\u003e\n\u003ctd\u003e35°C below ambient\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLiquid Cooling (Water)\u003c\/td\u003e\n\u003ctd\u003e45°C below ambient\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLiquid Cooling (Chilled)\u003c\/td\u003e\n\u003ctd\u003e60°C to 80°C below ambient\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Interface\u003c\/td\u003e\n\u003ctd\u003eC-Mount\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\u003eFilter Support\u003c\/td\u003e\n\u003ctd\u003eIntegrated 25mm Filter Holder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Interface\u003c\/td\u003e\n\u003ctd\u003e2 x 10Gb Ethernet, Camera Link\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\"\u003eQHY990 PRO II SWIR Camera\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.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":52942989852957,"sku":"QHY-110110","price":35000.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/QHYCCD-QHY990-PRO-II-SWIR-InGaAs-Scientific-Camera-1_8a186ea7-a7de-40db-87ef-bff4194de74b.jpg?v=1789614975"},{"product_id":"qhyccd-qhy4040-pro-i-fsi","title":"QHYCCD QHY4040 Pro Series Scientific Camera (FSI)","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e16.8 Megapixel Gpixel GSENSE4040 FSI Sensor\u003c\/li\u003e\n\u003cli\u003eLarge 36.9mm x 36.9mm Imaging Area\u003c\/li\u003e\n\u003cli\u003e9.0μm Pixel Size\u003c\/li\u003e\n\u003cli\u003eDual 12-bit ADC with High\/Low Gain Channels\u003c\/li\u003e\n\u003cli\u003e2x 10Gigabit Fiber Interfaces for High-Speed Transfer\u003c\/li\u003e\n\u003cli\u003eDual-Stage TEC Cooling to -35°C Below Ambient\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\u003eQHY4040 Pro Series Scientific Camera (FSI)\u003c\/h2\u003e\n\u003cp\u003eThe QHY4040 Pro scientific camera integrates a 16.8 Megapixel Gpixel GSENSE4040 monochrome sensor with a large 36.9mm x 36.9mm imaging area for demanding research applications. Its 9.0µm pixels provide excellent sensitivity, while the dual 10Gigabit Fiber interfaces sustain a full-resolution frame rate of 12.0 FPS at 16-bit depth. A dual-stage TEC cools the sensor to -35°C below ambient, keeping thermal noise exceptionally low with a dark current of just 0.16e-\/pixel\/sec at -20°C.\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\u003eThe GSENSE4040 Sensor: 16.8 MP Across a 36.9mm Square Array\u003c\/h3\u003e\n\u003cp\u003eAt the core of the QHY4040 Pro is the Gpixel GSENSE4040, a large-format scientific CMOS sensor. The 4096 x 4096 pixel array, combined with a 36.9mm x 36.9mm physical size, is ideal for wide-field surveys, spectroscopy, and applications requiring maximum light collection on large-format optical systems. The large 9.0µm pixels are well-suited for sampling the sky on long focal length instruments without requiring aggressive binning.\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\u003eDual 12-bit ADC: \u0026gt;70ke Full Well and 4e- Read Noise\u003c\/h3\u003e\n\u003cp\u003eThis Front-Side Illuminated (FSI) version of the QHY4040 Pro is engineered for maximum dynamic range. The sensor's dual 12-bit ADC architecture features two distinct channels: a high-gain channel with a low 4e- read noise for detecting faint signals, and a low-gain channel with a massive full well capacity of over 70,000 electrons to capture bright targets without saturation. The camera can combine data from both channels in-FPGA to produce a single 16-bit image with an exceptionally wide dynamic range.\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\u003e10Gigabit Fiber Interface: 12.0 FPS at Full 16-bit Resolution\u003c\/h3\u003e\n\u003cp\u003eTo handle the massive data volume from its 16.8 MP sensor, the QHY4040 Pro is equipped with two 10Gigabit Fiber interfaces alongside a standard USB 3.0 port. In PCIE mode over fiber, the camera can sustain a continuous 12.0 FPS at full 16-bit resolution, feeding directly into its 2GB DDR3 internal buffer to prevent frame drops. This high-speed output is critical for time-domain astronomy, lucky imaging, and other applications where capturing rapid sequences is essential.\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\u003e4-Channel GPIO: Precision Timing for Scientific Applications\u003c\/h3\u003e\n\u003cp\u003eThe QHY4040 Pro includes four high-speed, FPGA-controlled GPIO trigger ports for advanced synchronization and timing. These ports can be configured to output a hardware exposure-end signal, allowing for high-precision time-stamping of observations when paired with an external GPS timing base. This capability is vital for scientific work like photometry of transient events, satellite tracking, and multi-camera synchronized 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\u003eQHY4040 Pro FSI vs. BSI: Full Well vs. Quantum Efficiency\u003c\/h3\u003e\n\u003cp\u003eThe QHY4040 Pro series is available in both Front-Side Illuminated (FSI) and Back-Side Illuminated (BSI) versions, each offering a distinct advantage.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBSI Advantage:\u003c\/strong\u003e The BSI version delivers lower read noise (2.3e-) and higher peak quantum efficiency, making it the superior choice for imaging extremely faint targets where every photon counts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFSI Advantage (This Model):\u003c\/strong\u003e The FSI version provides a significantly larger full well capacity (\u0026gt;70ke-) compared to the BSI model's 36ke-. This makes the FSI camera ideal for applications involving bright objects or requiring the widest possible dynamic range in a single exposure.\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 primary application for the QHY4040 Pro's large 9.0µm pixels?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003e9.0µm pixels\u003c\/strong\u003e are ideal for long focal length telescopes used in scientific surveys and research. They provide a good image scale without requiring excessive binning, which preserves the sensor's native resolution while maximizing light-gathering capacity per pixel. This makes the QHY4040 Pro well-suited for photometry and astrometry.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the QHY4040 Pro's dual-gain 12-bit ADC improve dynamic range?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe QHY4040 Pro uses a dual-channel readout. The \u003cstrong\u003ehigh-gain channel\u003c\/strong\u003e provides very low read noise (4e-) to capture faint details, while the \u003cstrong\u003elow-gain channel\u003c\/strong\u003e offers a massive full well capacity (\u0026gt;70ke-) to prevent bright stars from saturating. The camera's internal FPGA can combine these two 12-bit readouts into a single 16-bit image, effectively capturing extreme brightness differences in one frame.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of data transfer rates can I expect from the QHY4040 Pro's 10Gigabit Fiber interface?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eUsing the dual \u003cstrong\u003e10Gigabit Fiber interfaces\u003c\/strong\u003e (in PCIE mode), the QHY4040 Pro can transfer full 16.8 MP frames at \u003cstrong\u003e12.0 FPS at 16-bit\u003c\/strong\u003e depth or \u003cstrong\u003e13.0 FPS at 8-bit\u003c\/strong\u003e. This high-speed connection is essential for video astronomy, lucky imaging, and ensuring no data is lost during rapid-sequence captures, supported by the camera's 2GB DDR3 buffer.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhen would I choose this FSI version of the QHY4040 Pro over the BSI version?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYou should choose this \u003cstrong\u003eFSI (Front-Side Illuminated) version\u003c\/strong\u003e when your primary need is maximum dynamic range. Its full well capacity of over \u003cstrong\u003e70,000 electrons\u003c\/strong\u003e is more than double that of the BSI version (36ke-). This makes it superior for imaging scenes with both very bright and very faint objects, such as star clusters or galactic cores.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow would the QHY4040 Pro perform for wide-field sky surveys on a large-format astrograph?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe QHY4040 Pro is exceptionally well-suited for this task. Its large \u003cstrong\u003e36.9mm x 36.9mm sensor\u003c\/strong\u003e can capture a massive field of view on corrected instruments like large Richey-Chrétien or Rowe-Ackermann Schmidt Astrographs. The high frame rate and 2GB buffer allow for rapid acquisition of survey fields, making it efficient for mapping large areas of the sky.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow can the QHY4040 Pro's hardware exposure signal be used to study a transient event like a supernova?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor time-critical science like supernova light curves, precision is key. You can connect the camera's \u003cstrong\u003eGPIO trigger port\u003c\/strong\u003e to a GPS timing device. The QHY4040 Pro will output a precise hardware signal at the exact moment an exposure ends. By logging these signals, you can create a highly accurate photometric record of the supernova's brightness changes over time.\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\u003eGpixel GSENSE4040, Monochrome, FSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e16.8 Megapixels (4096 x 4096)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel Size\u003c\/td\u003e\n\u003ctd\u003e9.0μm x 9.0μm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImage Area\u003c\/td\u003e\n\u003ctd\u003e36.9mm x 36.9mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eA\/D Conversion\u003c\/td\u003e\n\u003ctd\u003eDual 12-bit ADC (combinable to 16-bit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Well Capacity (FSI)\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;70ke- (High Gain), 26ke- (Low Gain)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead Noise (FSI)\u003c\/td\u003e\n\u003ctd\u003e4e- (Typical @Gain31)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDark Current\u003c\/td\u003e\n\u003ctd\u003e0.29e-\/pixel\/sec @ -15℃, 0.16e-\/pixel\/sec @ -20℃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExposure Range\u003c\/td\u003e\n\u003ctd\u003e20μs – 600sec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShutter\u003c\/td\u003e\n\u003ctd\u003eElectronic Rolling Shutter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Interface\u003c\/td\u003e\n\u003ctd\u003e2x 10Gigabit Fiber, 1x USB 3.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImage Buffer\u003c\/td\u003e\n\u003ctd\u003e2GB DDR3 Memory\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame Rate (PCIE Mode)\u003c\/td\u003e\n\u003ctd\u003e12.0 FPS @ 16-bit, 13.0 FPS @ 8-bit (Full Frame)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame Rate (USB 3.0)\u003c\/td\u003e\n\u003ctd\u003e10.0 FPS @ 16-bit, 13.0 FPS @ 8-bit (Full Frame)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling System\u003c\/td\u003e\n\u003ctd\u003eDual-Stage TEC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling Delta\u003c\/td\u003e\n\u003ctd\u003e-35°C below ambient\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\u003eHumidity Sensor\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTrigger Port\u003c\/td\u003e\n\u003ctd\u003e4x High-Speed GPIO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Wheel Port\u003c\/td\u003e\n\u003ctd\u003e4-pin QHYCCD CFW Port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Window\u003c\/td\u003e\n\u003ctd\u003eAR+AR Multi-Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Focus\u003c\/td\u003e\n\u003ctd\u003e18mm (±0.5mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApprox. 990g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e40W (100%), 21W (50%), 16.8W (0%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRemote Upgrade\u003c\/td\u003e\n\u003ctd\u003eYes, via USB\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":52942990442781,"sku":"QHY-110182","price":20733.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/QHYCCD-QHY4040-Pro-Series-1_16d18708-b589-47b7-afb4-04768f887bfd.jpg?v=1789615000"},{"product_id":"qhyccd-qhy4040-pro-i-bsi","title":"QHYCCD QHY4040 Pro I BSI Scientific CMOS Camera","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e16.8 Megapixel Gpixel GSENSE4040 BSI CMOS Sensor\u003c\/li\u003e\n\u003cli\u003e4096 x 4096 Resolution with 9.0µm Pixels\u003c\/li\u003e\n\u003cli\u003e36.9mm x 36.9mm Square Image Area\u003c\/li\u003e\n\u003cli\u003eDual 10-Gigabit Fiber and USB 3.0 Interfaces\u003c\/li\u003e\n\u003cli\u003e2GB DDR3 Image Buffer\u003c\/li\u003e\n\u003cli\u003eRegulated 2-Stage TEC Cooling to -35°C Below Ambient\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\u003eQHY4040 Pro I BSI Scientific CMOS Camera\u003c\/h2\u003e\n\u003cp\u003eThe QHY4040 PRO I BSI is engineered for demanding scientific applications, built around a 16.8 Megapixel Gpixel GSENSE4040 back-illuminated sensor with large 9.0µm pixels on a square 36.9mm x 36.9mm array. This BSI variant achieves a low typical read noise of 2.3e- and a full well capacity of 36,000e-. A dual-stage TEC system provides regulated cooling to -35°C below ambient, and data is managed by a 2GB DDR3 buffer and transferred through dual 10-Gigabit fiber optic interfaces.\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\u003eGSENSE4040 BSI Sensor: 16.8 Megapixels on a 36.9mm Square Array\u003c\/h3\u003e\n\u003cp\u003eAt the core of the QHY4040 Pro is the Gpixel GSENSE4040, a large-format monochrome sensor ideal for scientific survey work, spectroscopy, and wide-field imaging. The 4096 x 4096 pixel array and 36.9mm x 36.9mm physical area provide an expansive field of view, while the 9.0µm pixels deliver a balance of high resolution and excellent light-gathering capacity. This BSI version is particularly sensitive, with a low read noise of just 2.3e-, ensuring that faint signals are not lost in the noise floor.\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\u003ePrecision Timing: Hardware Triggering and Multi-Mode Control\u003c\/h3\u003e\n\u003cp\u003eThe QHY4040 Pro is designed for time-domain science where precise temporal data is critical. It features a hardware exposure ending signal output that can be synchronized with an external timing base like GPS for high-precision timestamps on every frame. The camera supports multiple acquisition modes including continuous live video, single-frame, and burst mode, giving you complete control over the capture sequence for applications like photometry of transient events or satellite tracking.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual 12-bit ADC:\u003c\/strong\u003e The camera offers selectable high and low gain channels from its dual 12-bit ADCs. You can also select an in-camera mode that combines the dual 12-bit outputs into a single 16-bit image for maximum dynamic range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZero Amplifier Glow:\u003c\/strong\u003e The sensor architecture and electronics are designed to produce zero amplifier glow, ensuring that long exposures are free from this common source of image contamination.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBurst Mode:\u003c\/strong\u003e Define a specific number of frames for capture upon a single command, ideal for capturing rapid events with precise timing and minimal latency between frames.\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\u003eHigh-Throughput Connectivity: Dual 10-Gigabit Fiber and USB 3.0\u003c\/h3\u003e\n\u003cp\u003eFor applications generating massive data volumes, the QHY4040 Pro includes two 10-Gigabit fiber optic interfaces. This professional-grade connection ensures reliable, high-speed data transfer over long distances, which is essential for remote observatories and data-intensive laboratory work. A USB 3.0 port is also included for standard connectivity, delivering a full-frame rate of 10.0 FPS at 16-bit depth, managed by an internal 2GB DDR3 buffer to prevent dropped 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\u003eStable Thermal Control: -35°C Cooling and Environmental Sensing\u003c\/h3\u003e\n\u003cp\u003eConsistent, low-noise results depend on stable thermal management. The QHY4040 Pro uses a powerful dual-stage thermoelectric cooler capable of reducing the sensor's temperature to 35°C below ambient. This aggressive cooling dramatically reduces thermal noise, with a measured dark current of just 0.16e-\/pixel\/sec at -20°C. For operational reliability, the camera also integrates an anti-dew heater for the optical window and an internal humidity sensor to monitor environmental conditions and prevent condensation.\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 applications are best suited for the QHY4040 Pro's square 36.9mm sensor?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe large, square \u003cstrong\u003e36.9mm x 36.9mm\u003c\/strong\u003e format of the QHY4040 Pro is ideal for scientific applications that benefit from a wide, uniformly corrected field of view. This includes astronomical surveys with Ritchey-Chrétien or other flat-field telescopes, spectroscopy, and any application where orienting a rectangular sensor is suboptimal. The \u003cstrong\u003e16.8 Megapixel\u003c\/strong\u003e resolution and \u003cstrong\u003e9.0µm\u003c\/strong\u003e pixels are well-matched to professional instruments.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the QHY4040 Pro's hardware exposure ending signal improve scientific data?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor time-domain astronomy, such as observing asteroid occultations, variable stars, or other transient events, knowing the exact start and end time of an exposure is critical. The QHY4040 Pro's hardware signal provides a precise electrical pulse at the end of each exposure. This signal can be fed into a time-stamping device (like a GPS-based system) to log the timing of each frame with sub-millisecond accuracy, far exceeding what is possible with software-based timing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhen would I use the dual 10-Gigabit Fiber interfaces on the QHY4040 Pro?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe dual 10-Gigabit Fiber interfaces are designed for professional settings where high-volume, continuous data streaming is required over long distances. This is common in remote observatories, laboratory setups, or industrial imaging where the control computer cannot be located next to the camera. Fiber optics provide immunity to electromagnetic interference and maintain signal integrity, which is a significant advantage over USB for mission-critical applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the advantage of the QHY4040 Pro's dual 12-bit ADC system?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe dual 12-bit ADC allows for flexible data acquisition. You can choose to read out from a \u003cstrong\u003ehigh gain channel\u003c\/strong\u003e for the lowest possible read noise on faint targets, or a \u003cstrong\u003elow gain channel\u003c\/strong\u003e to access a larger full well capacity for bright targets. The QHY4040 Pro also offers a mode to combine the data from both channels in-camera, producing a single \u003cstrong\u003e16-bit image\u003c\/strong\u003e with extended dynamic range.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the 2GB DDR3 buffer on the QHY4040 Pro prevent data loss?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003e2GB DDR3 buffer\u003c\/strong\u003e acts as a high-speed temporary storage for image frames as they are read off the sensor. This is especially important during high-speed imaging, as it prevents data loss if the host computer or data connection is temporarily busy. The camera can store multiple full-resolution frames in the buffer, ensuring a smooth and reliable data stream without dropped frames.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the QHY4040 Pro suitable for short-exposure \"lucky imaging\" techniques?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. With a minimum exposure time of \u003cstrong\u003e20µs\u003c\/strong\u003e and full-frame rates up to \u003cstrong\u003e13.0 FPS\u003c\/strong\u003e at 8-bit, the QHY4040 Pro can be used for applications that require freezing atmospheric turbulence. While primarily a scientific camera, its speed and low read noise make it a capable tool for high-resolution imaging of bright objects where short, rapid exposures are needed.\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\u003eImage Sensor\u003c\/td\u003e\n\u003ctd\u003eGpixel GSENSE4040 BSI CMOS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Type\u003c\/td\u003e\n\u003ctd\u003eMonochrome\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel Size\u003c\/td\u003e\n\u003ctd\u003e9.0µm x 9.0µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e4096 x 4096\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEffective Pixels\u003c\/td\u003e\n\u003ctd\u003e16.8 Megapixels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEffective Image Area\u003c\/td\u003e\n\u003ctd\u003e36.9mm x 36.9mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Well Capacity\u003c\/td\u003e\n\u003ctd\u003e36,000e- (BSI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead Noise\u003c\/td\u003e\n\u003ctd\u003e2.3e- (Typical, BSI @Gain50)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDark Current\u003c\/td\u003e\n\u003ctd\u003e0.16e-\/pixel\/sec @ -20℃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eA\/D Converter\u003c\/td\u003e\n\u003ctd\u003eDual 12-bit ADC (with 16-bit combination mode)\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 Time Range\u003c\/td\u003e\n\u003ctd\u003e20µs – 600sec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuilt-in Image Buffer\u003c\/td\u003e\n\u003ctd\u003e2GB DDR3 Memory\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Frame Rate (USB3.0)\u003c\/td\u003e\n\u003ctd\u003e10.0 FPS @ 16-bit | 13.0 FPS @ 8-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComputer Interface\u003c\/td\u003e\n\u003ctd\u003e2x 10-Gigabit Fiber, 1x USB 3.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTrigger Port\u003c\/td\u003e\n\u003ctd\u003e4x High Speed FPGA Controlled GPIO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Wheel Port\u003c\/td\u003e\n\u003ctd\u003e4-pin QHYCCD CFW Port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling System\u003c\/td\u003e\n\u003ctd\u003eDual Stage TEC, -35℃ below ambient\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\u003eHumidity Sensor\u003c\/td\u003e\n\u003ctd\u003eYes\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\u003eBack Focal Length\u003c\/td\u003e\n\u003ctd\u003e18mm (±0.5mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e40W (100% cooling)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApprox. 990g\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":52942990606621,"sku":"QHY-110172","price":63000.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/QHYCCD-QHY4040-Pro-Series-1-110172_16e1efd0-b2f8-4f18-a20c-5701caf39b38.jpg?v=1789615008"}],"url":"https:\/\/davidastro.com\/fr-us\/collections\/qhyccd-scientific-cmos-cameras.oembed","provider":"David Astro","version":"1.0","type":"link"}