QHY268C Back-Illuminated Color Camera
The QHY268C is a new generation of back-illuminated CMOS cameras with true 16-bit A/D and 3.76um pixels. This new Sony sensor is an ideal color CMOS sensor exhibiting no amplifer glow. 16-bit A/D gives high resolution sampling of the whole full well range. Digitizing 0-65535 levels yields a smooth image with continuous gradation of greyscale levels.
QHYCCD will release the first batch of QHY268C cameras in December, 2019. Like, the QHY600, this first batch of QHY268C cameras is called the Early Bird Version (QHY268EB-C). It has both the USB3.0 and 2 x 10Gbit fiber ports but the 2 x 10Gbit fiber is functionally disabled. It can be enabled in future upgrades. Besides the QHY268EB-C, there is the QHY268PH-C and QHY268PRO-C. The QHY268PH-C has only the USB3.0 port. The QHY268PRO-C has both USB3.0 and 2X10Gbit fiber port.
The price of QHY268EB-C is USD2399. The price of QHY268PH-C is USD2099 and the QHY268PRO-C price is TBD. For other different of the PRO version and Photograph version please check QHY600’s product page.
QHY268PH-C (PhotoGrapic Version)
User’s review of QHY268
From Jarrett Trezzo
From Tudor Chibacu
https:///post/qhy268c-camera-review-best-astrophotography-camera?fbclid=IwAR23mba5XtdXxHEfusMo_cvkCLw6hkWjHRuN6LyULDNtzQnr7qopI65HRWU
Sample Images of QHY268
IC 434 HORSEHEAD NEBULA
By Jarrett Trezzo
M42 GREAT ORION NEBULA
By Jarrett Trezzo
NGC7023
Sharpstar 150 2.8 HNT, QHY268C, Ayton iOptron CEM70,
two stitching, 301 * 300s, cumulative exposure 25.1 hours
APT shooting, PI post, PS drawing
Specifications
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QHY268C MEDIUM FORMAT SCIENTIFIC CMOS CAMERA SPECIFICATIONS
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| Model | QHY268PH-C (PhotoGrapic Version) QHY268EB-C (Early Bird Verson) QHY268PRO-C (Professional Version) |
| Image Sensor | SONY APS-C CMOS Sensor IMX571 |
| Sensor Type | Back Illuminated (BSI) |
| Pixel Size | 3.76um x 3.76um |
| Color / Mono Version | Only Color Version Avaliable |
| Sensor Surface Glass | Multi Layer AR coating |
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Effective Pixels
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26 Megapixels
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Effective Image Area
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6280*4210 (includes the optically black area and overscan area)
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Full Well Capacity
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51ke- (More than 75ke- in extended full well mode)
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A/D
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Native 16-bit (0-65535 greyscale) A/D
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Sensor Size
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APS-C format
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| Full Frame Rate |
USB3.0 Port:
Full Resolution 6.8FPS @8BIT 6FPS @16BIT 2048lines 13.6FPS @8BIT 11.5FPS@16BIT 1080lines 25.4FPS @8BIT 19.5FPS@16BIT 768lines 35FPS @8BIT 25FPS@16BIT 480lines 50FPS @8BIT 34FPS@16BIT |
| Read Noise | 0.7e- High Gain, 3.5e- Low Gain (2.7e- to 5.5e- in extended full well mode) |
| Dark Current | 0.0005e/pixel/sec @ -20C 0.001e/pixel/sec @ -10C |
| Zero Amplifer Glow | Yes |
| Exposure Time Range | 30us – 3600sec |
| Firmware/FPGA upgrade | Fully Support. via Camera USB port |
| Non-volatile memory / On camera storage | Build-in total 64MByte Flash Memory. 10MBytes user-accessible space for stellar ROI frames for analysis for exoplanet investigation, occultations, atmospheric seeing measurements, focus, optical analysis, etc. Supports 100*100 image x 500 frames; 50*50 image x 4000frames; 25*25 image x 16000 frames; 10*10 image x 250000 frames . |
| Shutter Type | Electronic Shutter |
| Computer Interface | USB 3.0 |
| Built-in Image Buffer | 1GByte/2GByte DDR3 Memory |
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Cooling System
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Dual Stage TEC cooler（-35C 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 |
| Optic Window Type |
AR+AR High Quality Multi-Layer Anti-Reflection Coating |
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Back Focal Length
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17.5mm（±0.3）
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Weigth
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Early Bird Version:980g
PhotoGraphic Version:980g Pofessional Version:780g |
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