QHY 183 Cooled Color CMOS Telescope Camera

62,499.00 excl. 18% GST

  • ADC – 12 bit
  • Antidew Heater – Yes
  • Back Focus – 17.5 mm
  • Builtin Image Buffer – 128MByte DDR2 memory
  • Camera Connection – Female M42x.075
  • Color or Mono – Color
  • Computer Interface – USB3.0
  • Cooled – Cooled
  • Delta T – 40C
  • Dynamic Range – 12 Stops
  • Free Shipping – Yes
  • Full Rez Frame Rate – 15fps
  • Full Well – 15.5ke
  • Max Frame Rate – 25fps
  • Mega Pixels – 20.5 mp
  • Peak QE – 74%
  • Pixel Array – 5544 x 3694
  • Pixel Size – 2.4 microns
  • Read Noise – 2.7e
  • Sensor Diagonal – 16 mm
  • Sensor Type – CMOS
  • Sensor – Sony IMX183
  • Telescope Interface – M42x0.75
  • Weight – 1.43 lb

Available on backorder

The QHY 183 Cold MOS Cooled Color CMOS Camera is a one-inch, 20.48 megapixel back-illuminated color CMOS camera with a peak QE of 74-percent. The pixel size is 2.4 um, yielding high-resolution with modest size telescopes. The camera is capable of producing 5fps up to at 20.48 megapixels. It has a two-stage TEC that cools the sensor to Neg.40-degrees C below ambient. The ADC is 12-bit / 16-bit with a read noise as low as 1e-! The computer interface is USB 3.0 and exposure times can be set from 50 us to 3600 sec.

Sony’s Image Sensor IMX183 BSI is a back-illuminated CMOS image sensor with improved sensitivity and noise reduction – the key factors to enhancing image quality, while radically realigning their fundamental pixel structure from front-illumination to back-illumination. It retains the advantages of CMOS image high-speed operation while dramatically improving sensitivity.

The QHY183C has a 128 MB DDRII full frame memory buffer. A QHY183C 16-bit image is about 40 MB, so 128 MB of memory can easily buffer a full frame for transfer to the computer using QHY183C software with native single-frame shooting function, instead of intercepting a frame from a continuous video transmission. This makes data transfer to the computer stable and reliable because there is no USB bandwidth or busy CPU problems.

The QHY183C utilizes the Anti-Dew features common to the QHY COLDMOS cameras. A heated optical window prevents exterior dew from forming, and the CMOS chamber has a desiccant plug socket to prevent moisture from forming on the sensor at cold temperatures.

The QHY183C incorporates QHY’s Anti-Amp Glow technology to significantly reduce typical CMOS amplifier glow to a minimum, allowing excellent calibration by subtracting a dark frame.


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