QHY410C BSI Medium Size, 35mm Full Format CMOS camera, cooled

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QHY410C BSI Medium Size, 35mm Full Format CMOS camera, cooled

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  • High resolution, cooled color CMOS camera with Sony IMX 410 Back Illuminted Sensor (BSI)
  • Effective Pixel Area: 6072 (Horizontal) x 4044 (Vertikal), Pixelsize 5.94 μm x 5.94 μm
  • Effective Image Area: 24 x 36mm, diagonal 43,3mm
  • QE approx. 80%
  • Best Match for Longer Focal Length
  • AD Sample Depth: 14bit (output as 16bit and 8bit)
  • Low Dark Current: 0.01e/pixel/sec@ 0C, 0.002e/pixel/sec@ -20C
  • Deep Full Well: 120 ke-
  • Built-in Image Buffer: 1 GByte DDR3 (PRO-Version 2GByte)
  • Non-volatile built-in memory 512kbytes *
  • Rolling Shutter
  • Exposure time: 100 µs up to 3600 seconds
  • Cooling System: Dual Stage TEC cooler(-35C below ambient*)
  • Anti-Dew Heater
  • Silicon Gel Socket
  • Telescope Interface: M54/0.75 Female Thread on the fast installer/center adjust ring
  • Currently only available as colour version
  • Available in 2 versions:
    • Photographic model QHY 410C-PH with USB 3.0 interface
    • Professional model QHY 410C-PRO. This version has in addition to the USB 3.0 interface 2 10 Gigabit fiber optic interfaces and a 2 GB internal image memory.
  • Please select the appropriate QHY 410 C camera for additional technical details from the drop-down menu below
Please note: This QHY product is currently not in stock at Baader Planetarium, but can be pre-ordered. After we have received your order, we will order the QHY camera/accessory directly from the manufacturer immediately. The delivery time is then approx. 2 to 3 weeks. If you have ordered other products which are in stock, the partial order will be sent directly to you and the QHY backorder will be shipped free of charge as soon as we receive it.

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QHY410C Technical  Drawings

QHY 410 C - BSI cooled full frame CMOS Color camera

35mm - 24.6 Megapixel - full frame CMOS camera with Sony IMX 410 BSI sensor and 5.94 µm pixels in 2 versions - the QHY 410C-PH and the QHY410C-PRO

Features:

  • Full Frame 35mm Format
  • Back-Illuminated, 24.6 Megapixels
  • 5.94um Pixel Size
  • Read Noise as low as 1.1e-
  • Deep Full Well, High Dynamic Range
  • Low Dark Current
  • Photo and Professional Models

Full format and Back Illuminated (BSI) sensor

The new QHY410C uses Sony's latest back-illuminated, full frame color sensor.  The IMX410 is essentially a back-illuminated version of the sensor that used in the Nikon D750 and QHY128C cameras. In addition to BSI, the IMX410 also has larger 5.94 um pixels giving it increases sensitivity of extended objects in low light.  The IMX410 is expected to be Sony's most sensitive full frame color sensor for astrophotography. 

Similar in body size and design to the QHY268C BSI Cooled Medium Size APS-C Camera (various versions available) , the QHY410C is available in two versions, a photographic version, the QHY410C-PH and a professional version, the QHY410C-PRO

The QHY410C-PH (Photographic Version) is USB 3.0 only with 1GB DDR3 memory (32-bit data bus). It can output 15 frames per second, full resolution, 8-bit images or 7.5 frames per second, full resolution, 16-bit images. 

The QHY410C-PRO (Professional Version) is USB3.0 plus 2 x 10G fiber optic ports with 2GB DDR3 memory.  It can output 19.2 frames per second, full resolution, 16-bit images or 40 frames per second, full resolution, 12-bit images

There is no difference in image quality between the Photographic version and the Professional version. 

High Full Well Capacity - High Dynamic Range

One benefit of the back-illuminated CMOS structure is improved full well capacity. This is particularly helpful for sensors with small pixels.  When back-illumination is combined with somewhat larger pixels, the full well capacity and cynamic range are improved dramatically.  The QHY410C has a full well capacity of 120k electrons!  With its low read noise this produces a dynamic range greater than 17,000:1 or more than 14 STOPS.  Moreover, the dynamic range remains fairly uniform even at higher gain settings (see the graphs below).

Low Read Noise

The QHY410C is capable of only 1.1 electron of read noise at high gain and fast readout speed.  One electron of read noise means the camera can achieve a SNR>3 at only 3 to 4 photons. This is perfect performance when conditions are photon limited, i.e., short exposures, narrow band imaging, etc., making this large area sensor ideal for sky surveys and time domain astronomy.  Low read noise facilitates taking more short exposures and combining them rather than needing fewer long guided exposures to get the ideal signal to noise in the final image.  Short exposures allow grading of frames to be used, with the ability to discard the occasional guiding glitch instead of having a mount bump or airplane ruin an otherwise carefully guided long exposure.

Back-Illuminated, High QE, Twice the Sensitivity of Front Illuminated Sensors

Sony's Exmor R back-illuminated technology produces sensors that Sony estimates are twice as sensitive as similar front illuminated sensors.  QHYCCD tests have borne out this claim.  Additionally, Sony sensors are well known for their low dark current.  QHYCCD's proprietary thermal noise reduction technology and the QHY40C's dual-stage regulated thermoelectric cooling further reduce dark current to extremely low levelsfor clean, long duration exposures when required.

Best Match for Longer Focal Length

The 5.94 um pixels of the QHY410C will subtend a half arcsecond FOV at approximately 2500mm of focal length (or 1 arcsecond at 1250).  This, with its 35mm format sensor and high sensitivity make it ideal for imaging in color with longer focal length scopes.

Further detailed information can be found the website of QHYCCD :

If you have any further questions, please send us an email to kontakt (at) baader-planetarium.de.

Please note the additional details on the Tab "Downloads.

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