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IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.
QHYCCD QHY411C PRO Color BSI Cooled Camera

QHYCCD QHY411C PRO Color BSI Cooled Camera

by QHYCCD
SKU QHY-110112
$50,000.00 - $50,000.00
$50,000.00
$50,000.00 - $50,000.00
$50,000.00
Price Match Policy!
  • Scientific-Grade Class 1 BSI CMOS Sensor
  • Medium-Format Color Imaging
  • Dual 10 Gigabit Ethernet (2 x 10GB) Interface
  • Hybrid Air and Liquid Cooling System
  • Native 16-bit A/D Conversion
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  • Description
  • FAQ
  • Specifications
  • In the Box
  • Downloads
  • Warranty

  • QHY411C PRO Color BSI Cooled Camera

    The 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.

    Class 1 BSI Sensor: Scientific-Grade Imaging

    At 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.

    The 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.

    Dual 10GbE Interface: High-Speed, Flexible Readout

    To 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.

    The 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.

    Hybrid Cooling: Air and Liquid Thermal Control

    Consistent 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.

    For 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.

    QHY411 Pro vs. QHY461 Pro: Sensor Scale and Application

    The 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.

    • QHY411 Pro: 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.
    • QHY461 Pro: 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.

  • What are the main applications for the QHY411C PRO camera?

    The QHY411C PRO is designed for demanding applications that require a large field of view and high dynamic range. Its primary uses include professional astronomical imaging, wide-field sky surveys for discovering asteroids or supernovae, and satellite tracking where its high resolution and flexible readout modes are critical.

    How does the 2 x 10GB interface on the QHY411C PRO improve imaging sessions?

    The 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.

    What is the advantage of the QHY411C PRO's back-illuminated (BSI) sensor?

    A Back-Side Illuminated (BSI) 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.

    Can the QHY411C PRO be used with a Ritchey-Chrétien telescope for galaxy imaging?

    Yes, 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.

    Why does the QHY411C PRO offer both air and liquid cooling?

    This hybrid system offers maximum flexibility. Air cooling is sufficient for many environments and provides a simple, self-contained solution. Liquid cooling, 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.

    What does "native 16-bit A/D" mean for the QHY411C PRO?

    Native 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.

  • Product Line Scientific Cameras - QHY411C PRO
    Sensor Class Class 1
    Sensor Type Color, Back-Side Illuminated (BSI)
    Cooling System Hybrid Air and Liquid Cooling
    Data Interface 2 x 10 Gigabit Ethernet

    • Box contents are not specified for this product variant. Please contact us for configuration details.

  • QHYCCD Warranty