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  • QHYCCD camera COLDMOS QHY294C colori QHYCCD camera COLDMOS QHY294C colori

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QHYCCD COLDMOS QHY294C color camera

Product code: QHY294C

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Quick Overview

QHYCCD COLDMOS QHY294C camera uses a Sony IMX294 back-illuminated color sensor with 23.2mm diagonal and high sensitivity, 4164 x 2796 resolution, 14-bit A/D, very low 1e- read noise at highest gain and a powerful cooling system (down to -35°C in respect to ambient temperature). All of this at a very affordable price that makes the QHY294C a great camera for astrophotography.

Availability: In stock

22% tax incl
if you pay by bank transfer €1,130.05


Back-illuminated sensor with 4.6um pixels and 64ke- Full Well

Benefiting from the back-illuminated structure, the area around the photo-diode is reduced so that for a given pixel size the BSI sensor provides a greater full well capacity compared to a front illuminated sensor. The QHY294C has a full well capacity of nearly 65,000 eletrons with 4.63um x 4.63um pixels, almost the same as an interline CCD camera with 9um pixels.



QHYCCD COLDMOS QHY294C color camera



High Frame Rate: 16.5 FPS at maximum resolution, higher rates in ROI mode

The QHY294C produces 16.5 high resolution frames per second, 11.6 Megapixels with 14-bit A/D. Higher rates are achieved in ROI mode, for example, 41 FPS at 1080 lines. The QHY294C has an internal 256MByte high speed DDR3 image buffer. This significantly reduces any issue of lost frames due to a busy computer CPU or slow USB communication packet errors.



Super Low Dark Current and Dual Gain Auto Switch

The QHY294C uses QHYCCD's proprietary low dark current control technology. This technology significantly reduces the dark current noise in our CMOS cameras. The QHY294C has super low dark current as a result, lower than many CCD cameras, allowing for very long exposure times. The QHY294C's CMOS sensor has a dual gain mode, HGC (high gain) and LGC (Low gain). The QHY294C will switch the two modes automatically when the gain is set to 1600.



QHYCCD COLDMOS QHY294C color camera



Anti-Dew Technology and flexible adapters

The QHY294C benefits from more than a decade of cooled camera design experience. QHYCCD has implemented full dew control solutions. The optical window has a built-in dew heater and the CMOS chamber is protected from internal humidity condensation. QHY294C has a short back focal distance allowing for flexibility in setting up your optical train.



QHYCCD COLDMOS QHY294C color camera



QHYCCD COLDMOS QHY294C color camera: scope of delivery

- QHYCCD COLDMOS QHY294C color camera
- T2-50,8mm adapter
- USB 3.0 cable
- 220V power unit



QHYCCD cooled CMOS cameras comparison

In this table we have summarized main features of QHYCCD's cooled CMOS cameras to allow you to easily compare and choose the best one based on your telescope.

Technical specifications

Type: Camera CMOS raffreddata
Sensor Color
Sensor Sony IMX294
Resolution 4164 x 2796
Sensor dimensions (mm) 19,3 x 13
Sensor diagonal (mm) 23.2
Pixels dimensions (µm) 4.6
A/D converter 14 bit
Cooling -35°C rispetto a T ambientale
Readout Noise (e-) 1e- at high gain
ST4 integrated autoguide port No
Telescope interface Filetto T femmina (42x0,75)
Connection to PC USB 3.0
Power External 12V 5A
Backfocus (mm) 17mm
Weight (gr.) 650g

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