QHYCCD QHY5-III-174C Color CMOS Telescope Astrophotography Camera

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The QHY5III174C is the first in the new QHY5III series CMOS USB 3.0 cameras.

The camera is designed to be an excellent planetary, lunar, solar and meteor capture video camera. With a 50mm, F/1.4 C-mount lens it will record 8th to 9th magnitude stars at 30 frames per second (33 ms exposure).  This high sensitivity with HD resolution will push video astronomy to new heights. 

Sony introduced a new global shutter (GS) CMOS imaging technology called PregiusTM that redefines the global shutter imaging category and provides the best of both worlds:  fast frame rates and CCD-like imaging performance.  The technology also offers reduced dark noise, which enables higher gains without compromising image quality, as well as higher quantum efficiency.    The global shutter eliminates pixelization when imaging the moon and planets and moon caused by atmospheric agitation and high frame rates. 

The unique QHYCCD design retains the 1.25-inch eyepiece design of the QHY5-II series but adds features for better cooling.  This design is more efficient in transfer of heat to the outer case enabling lower noise especially in high ambient temperatures.  

The 1.25 inch design also offers the shortest possible back focus, making the camera ideal for off-axis guiding.  In addition, the QHY5III174C uses a more robust LEMO style connector for the guide port.  These connectors are known for being both rugged and reliable.  

The QHY5III174 is available in both mono and color versions.

The camera is well suited for solar imaging using short focal length telescopes that will capture a full solar disk within the FOV. 


Model QHY5III174C
CMOS Sensor IMX174
Pixel Size 5.86um
Pixel Array 1920*1200
Effective Pixels 2.3 Megapixels
Sensor Optical Format 1/1.2-inch
Frame Rate@Full Frame 138FPS
Frame rate @ROI readout 262FPS@ 960*600
490FPS@ 480*300
Full Well Capacity 32ke-
Readout Noise 1.6e- to 5.3e-
A/D  12-bit
Shutter Type Electric Global Shutter
Color Version QHY5III174C
Mono Version QHY5III174M
Computer Interface USB 3.0
Guide Port Standard 6-pin RJ11 Guide Port
Telescope Interface 1.25-inch, CS mount
Weight 89g

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