{"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","url":"https:\/\/davidastro.com\/products\/qhyccd-qhy411c-pro","provider":"David Astro","version":"1.0","type":"link"}