{"product_id":"qhyccd-qhy811-pro","title":"QHYCCD QHY811 Pro 245MP","description":"\u003ch1 data-end=\"345\" data-start=\"60\"\u003eQHYCCD QHY811 Pro\u003c\/h1\u003e\n\u003cp data-end=\"345\" data-start=\"60\"\u003e\u003cbr\u003eThe \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eQHY811 Pro\u003c\/span\u003e\u003c\/span\u003e is a next-generation medium-format scientific imaging system engineered for ultra-high-resolution astrophotography, professional observatories, and advanced research applications requiring exceptional sensitivity, precision, and data fidelity. At the core of the QHY811 Pro is the Sony IMX811 back-illuminated (BSI) sensor, delivering an extraordinary 245-megapixel resolution across a large 4.1-inch format with a 64.84 mm diagonal, enabling unmatched field of view and fine spatial detail in a single exposure. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"896\" data-start=\"657\"\u003eThe 2.81 μm pixel size provides a balanced combination of resolution and sensitivity, making the camera suitable for both wide-field survey work and high-resolution imaging of faint deep-sky objects. With a native 16-bit ADC, the QHY811 Pro captures up to 65,536 grayscale levels per pixel, ensuring precise tonal gradation and accurate photometric data critical for scientific analysis and high-dynamic-range imaging. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"1416\" data-start=\"1158\"\u003eThanks to its back-illuminated architecture, the sensor achieves higher quantum efficiency by minimizing photon loss through internal wiring, significantly improving sensitivity and performance in low-light conditions. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003eThe camera features extremely low read noise (as low as 1.2e⁻) and a full well capacity of 28,000 electrons, allowing it to capture faint signals while preserving bright highlights without saturation. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003eA key differentiator is its support for true hardware-based FD (charge-domain) binning, which increases signal-to-noise ratio up to 4× without introducing additional noise, unlike conventional digital binning methods. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003eThe QHY811 Pro supports both USB 3.0 and high-speed dual 10Gb fiber optic data interfaces, ensuring reliable, high-bandwidth data transfer for large image files generated by its ultra-high-resolution sensor. \u003c\/p\u003e\n\u003cp data-end=\"1416\" data-start=\"1158\"\u003e\u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003eFor thermal stability and noise reduction, the camera includes a dual-stage TEC cooling system with optional liquid cooling support, enabling operation at low temperatures and minimizing dark current down to approximately 0.00053 e⁻\/pixel\/sec at -30°C. \u003c\/p\u003e\n\u003cp data-end=\"1416\" data-start=\"1158\"\u003e\u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003eAdditional integrated features such as a built-in 2GB DDR3 image buffer, anti-dew heater, humidity sensor, and internal air circulation system ensure reliable long-duration imaging and reduced maintenance, even in remote or automated observatory setups. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003eThe QHY811 Pro also offers flexible exposure control from 20 microseconds to 3600 seconds, programmable trigger interfaces, and compatibility with external filter wheels, making it adaptable to a wide range of imaging workflows from high-speed capture to long-exposure deep-sky acquisition. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"3400\" data-start=\"3091\"\u003eDesigned for professional-grade applications, this camera excels in deep-sky astrophotography, sky surveys, photometric measurements, and scientific research, delivering a powerful combination of ultra-high resolution, low noise performance, and advanced hardware capabilities in a single integrated platform.\u003c\/p\u003e\n\u003cp data-end=\"3400\" data-start=\"3091\"\u003e \u003c\/p\u003e\n\u003ch3 data-end=\"3400\" data-start=\"3091\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"35.1000%\"\u003eModel\u003c\/td\u003e\n\u003ctd width=\"63.8000%\"\u003eQHY811 Pro\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"35.1000%\"\u003eImage Sensor\u003c\/td\u003e\n\u003ctd width=\"63.8000%\"\u003eSony IMX811\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"35.1000%\"\u003eSensor Type\u003c\/td\u003e\n\u003ctd width=\"63.8000%\"\u003eBoth Available\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"35.1000%\"\u003eFSI\/BSI\u003c\/td\u003e\n\u003ctd width=\"63.8000%\"\u003eBSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"35.1000%\"\u003ePixel Size\u003c\/td\u003e\n\u003ctd width=\"63.8000%\"\u003e2.81 μm * 2.81 μm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"35.1000%\"\u003eSensor Size\u003c\/td\u003e\n\u003ctd width=\"63.8000%\"\u003eTypical 4.1-inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"35.1000%\"\u003eEffective Pixels\u003c\/td\u003e\n\u003ctd width=\"63.8000%\"\u003e245 Megapixels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"35.1000%\"\u003eEffective Pixel Area\u003c\/td\u003e\n\u003ctd width=\"63.8000%\"\u003e19240*12840\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"35.1000%\"\u003eTotal Pixel\u003c\/td\u003e\n\u003ctd width=\"63.8000%\"\u003e19776*13120 (include optical black area and overscan area)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"35.1000%\"\u003eA\/D\u003c\/td\u003e\n\u003ctd width=\"63.8000%\"\u003eNative 16-bit (0-65535 greyscale) A\/D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"35.1000%\"\u003eFull Well Capacity\u003c\/td\u003e\n\u003ctd width=\"63.8000%\"\u003e28ke-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"35.1000%\"\u003eRead Noise\u003c\/td\u003e\n\u003ctd width=\"63.8000%\"\u003e1.2e- to 3.2e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"35.1000%\"\u003eDark Current\u003c\/td\u003e\n\u003ctd width=\"63.8000%\"\u003eApporx 0.00053e-\/pixel\/sec @ -30℃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"35.1000%\"\u003eExposure Time Range\u003c\/td\u003e\n\u003ctd width=\"63.8000%\"\u003e20 μs – 3600 sec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"35.1000%\"\u003eShutter Type\u003c\/td\u003e\n\u003ctd width=\"63.8000%\"\u003eElectronic Rolling Shutter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"35.1000%\"\u003eComputer Interface\u003c\/td\u003e\n\u003ctd width=\"63.8000%\"\u003eUSB 3.0\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e2*10 Gigabit Fiber\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"35.1000%\"\u003eFilter Wheel Interface\u003c\/td\u003e\n\u003ctd width=\"63.8000%\"\u003e4-PIN QHYCCD CFW Port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"35.1000%\"\u003eTrigger Port\u003c\/td\u003e\n\u003ctd width=\"63.8000%\"\u003eProgrammable TrigOut, High Speed Sync Port \/ GPS interface Port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"35.1000%\"\u003eFull Frame Rates\u003c\/td\u003e\n\u003ctd width=\"63.8000%\"\u003eUSB3.0:\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNormal Mode\u003c\/p\u003e\n\u003cp\u003e1.5FPS@8bit\u003c\/p\u003e\n\u003cp\u003e0.6FPS@16bit\u003c\/p\u003e\n\u003cp\u003e2×2 FD Binning\u003c\/p\u003e\n\u003cp\u003e5.6FPS@8bit\u003c\/p\u003e\n\u003cp\u003e2.9FPS@16bit\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003ePCIE Mode:\u003c\/p\u003e\n\u003cp\u003eNormal Mode\u003c\/p\u003e\n\u003cp\u003e2FPS@8bit\u003c\/p\u003e\n\u003cp\u003e1.5FPS@16bit\u003c\/p\u003e\n\u003cp\u003e2×2 FD Binning\u003c\/p\u003e\n\u003cp\u003e8.1FPS@8bit\u003c\/p\u003e\n\u003cp\u003e5.7FPS@16bit\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"35.1000%\"\u003eROI Frame Rates\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"63.8000%\"\u003eUSB3.0:\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNormal Mode\u003c\/p\u003e\n\u003cp\u003e8000lines, 2.4FPS@8bit, 1.3FPS@16bit\u003c\/p\u003e\n\u003cp\u003e6000lines, 3.3FPS@8bit, 1.6FPS@16bit\u003c\/p\u003e\n\u003cp\u003e2000lines, 8.9FPS@8bit, 4.6FPS@16bit\u003c\/p\u003e\n\u003cp\u003e2×2 FD Binning\u003c\/p\u003e\n\u003cp\u003e4000lines, 9FPS@8bit, 4.5FPS@16bit\u003c\/p\u003e\n\u003cp\u003e2000lines, 17.8FPS@8bit, 8.9FPS@16bit\u003c\/p\u003e\n\u003cp\u003e1000lines, 33.6FPS@8bit, 16.8FPS@16bit\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003ePCIE Mode:\u003c\/p\u003e\n\u003cp\u003eNormal Mode\u003c\/p\u003e\n\u003cp\u003e8000lines,3.1FPS@8bit, 2.4FPS@16bit\u003c\/p\u003e\n\u003cp\u003e6000lines, 4FPS@8bit, 3.1FPS@16bit\u003c\/p\u003e\n\u003cp\u003e2000lines, 11.3FPS@8bit, 8.6FPS@16bit\u003c\/p\u003e\n\u003cp\u003e2×2 FD Binning\u003c\/p\u003e\n\u003cp\u003e4000lines, 13.3FPS@8bit, 9.6FPS@16bit\u003c\/p\u003e\n\u003cp\u003e2000lines, 25.9FPS@8bit, 18.8FPS@16bit\u003c\/p\u003e\n\u003cp\u003e1000lines, 48.4FPS@8bit, 35.7FPS@16bit\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"35.1000%\"\u003eBuilt-in Image Buffer\u003c\/td\u003e\n\u003ctd width=\"63.8000%\"\u003e2GB DDR3 Memory Buffer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"35.1000%\"\u003eAir Cooling System\u003c\/td\u003e\n\u003ctd width=\"63.8000%\"\u003eDual Stage TEC cooler\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"35.1000%\"\u003eLiquid Cooling\u003c\/td\u003e\n\u003ctd width=\"63.8000%\"\u003eAvailable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"35.1000%\"\u003eRecommended Flow Rates\u003c\/td\u003e\n\u003ctd width=\"63.8000%\"\u003e12 ml\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"35.1000%\"\u003eAnti-Dew Heater\u003c\/td\u003e\n\u003ctd width=\"63.8000%\"\u003eAvailable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"35.1000%\"\u003eHumidity Sensor\u003c\/td\u003e\n\u003ctd width=\"63.8000%\"\u003eAvailable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"35.1000%\"\u003eFirmware\/FPGA remote upgrade\u003c\/td\u003e\n\u003ctd width=\"63.8000%\"\u003eAvailable via Camera USB port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"35.1000%\"\u003eOptic Window Type\u003c\/td\u003e\n\u003ctd width=\"63.8000%\"\u003eAR+AR High-Quality Multi-Layer Anti-Reflection Coating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"35.1000%\"\u003eAdapters\u003c\/td\u003e\n\u003ctd width=\"63.8000%\"\u003eCustomization\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/2025090954-1536x625.png?v=1776541894\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/20250915923-1536x560.png?v=1776541895\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/20250915697-1536x581.png?v=1776541895\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/20250909674-1536x567.png?v=1776541895\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/20250915320-1536x464.png?v=1776541895\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003eIn the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"1jr2dc5\" data-start=\"36\" data-end=\"78\"\u003eQHY811 Pro scientific CMOS camera body\u003c\/li\u003e\n\u003cli data-section-id=\"esvpdk\" data-start=\"79\" data-end=\"101\"\u003eUSB 3.0 data cable\u003c\/li\u003e\n\u003cli data-section-id=\"1rrdick\" data-start=\"102\" data-end=\"143\"\u003eExternal power supply and power cable\u003c\/li\u003e\n\u003cli data-section-id=\"1be8hdu\" data-start=\"144\" data-end=\"246\"\u003eHigh-speed data interface components (model-dependent, e.g., fiber interface module if applicable)\u003c\/li\u003e\n\u003cli data-section-id=\"lfi0u1\" data-start=\"247\" data-end=\"340\"\u003eCooling system accessories (including fittings for liquid cooling support, if applicable)\u003c\/li\u003e\n\u003cli data-section-id=\"q8bw7s\" data-start=\"341\" data-end=\"393\"\u003eAnti-dew system (integrated heater with control)\u003c\/li\u003e\n\u003cli data-section-id=\"15tgk9g\" data-start=\"394\" data-end=\"442\"\u003eDesiccant tube \/ moisture control components\u003c\/li\u003e\n\u003cli data-section-id=\"109m1al\" data-start=\"443\" data-end=\"509\"\u003eAdapter rings \/ mounting accessories for telescope integration\u003c\/li\u003e\n\u003cli data-section-id=\"wj31qx\" data-start=\"510\" data-end=\"559\"\u003eDriver and software package (download access)\u003c\/li\u003e\n\u003cli data-section-id=\"ovo2gn\" data-start=\"560\" data-end=\"595\" data-is-last-node=\"\"\u003eUser manual and quick start guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWarranty\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/astronomyplus.com\/pages\/qhyccd-warranty\" target=\"_blank\" rel=\"noopener\"\u003eQHY's Warranty\u003c\/a\u003e\u003c\/p\u003e","brand":"QHYCCD","offers":[{"title":"Default Title","offer_id":48842312220901,"sku":"QHY-QHY811Pro","price":0.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/20250923420.png?v=1777045265","url":"https:\/\/astronomyplus.com\/products\/qhyccd-qhy811-pro","provider":"Astronomy Plus – Telescopes \u0026 Astrophotography Canada","version":"1.0","type":"link"}