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The QHY2020 uses a 13.3mm x 13.3mm square scientific CMOS with ultra high QE and wide spectral response from 200nm to 1100nm. It has 94% peak QE at 550nm-600nm, 60% QE at 240nm. It also has very good QE in the NIR range, 60% at 800nm, 38% at 900nm.
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QHY2020 SCIENTIFIC CMOS CAMERA SPECIFICATION
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| Model | QHY2020 |
| CMOS Sensor | Gpixel Gense2020 BSI |
| Pixel Size | 6.5um x 6.5um |
| Sensor Surface Glass | Clear Glass |
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Effective Pixel Area
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2048 x 2048
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Effective Pixels
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4 Megapixels
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Effective Image Area
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13.3mm x 13.3mm
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Fullwell
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56ke-
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AD Sample Depth
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Dual 12-bit A/D (High Gain Channel and Low Gain Channel) *
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Sensor Size
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Typical 2-inch
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| Full Frame Rate and ROI Frame Rate8 |
43FPS@2048*2048 8-bit
43FPS@4096*2048 8-bit x2 HDR 25FPS@4096*2048 8-bit x2 HDR (Clock 2) 20.5FPS @ 4096*2048 8-bit x2 / 12bit x2 (Clock 3) |
| Readout Noise | 1.7e- |
| Dark Current | TBD |
| Exposure Time Range | 20us - 300sec |
| Anti-Glow Control | Yes. Can be enabled and disabled. Significant Glow Reduction |
| Shutter Type | Electric Rolling Shutter |
| Computer Interface | USB3.0 |
| Built-in Image Buffer | 128MByte (512Mb) DDR2 |
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Cooling System
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Dual Stage TE Cooler（-40C below ambient）
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Anti-Dew Heater
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Yes
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Telescope Interface
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M54/0.75 female thread on the fast installer/center adjust ring
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| Optic Window Type |
AR+AR High Quality Multi-Layer Anti-Reflection Coating |
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Back Focal Length
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TBD
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Weigth
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TBD
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| Free Shipping | No |
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