Product Questions and Answers
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QHY 5-III Series USB 3.0 Guiding and Planetary Cameras
The QHY5-III series cameras are USB 3 super-speed cameras and guiders. They can be used in a standard 1.25-inch eyepiece holder and have an adjustable location ring for confocality with an eyepiece.
We offer the following products from the QHY 5-III series:
Model QHY-5-III-174M/C QHY-5-III-178M/C QHY-5-III-485CM/C QHY-5-III-462C QHY-5-III-290M (discontinued) Sensor IMX174 IMX178 IMX485 IMX462 IMX290 Technology FSI-CMOS BSI-CMOS BSI-CMOS BSI-CMOS BSI-CMOS Format 1/1.2"
1/1.8" 1/1.2" 1/2.8" 1/2.8" Sensor size 11,3 x 7,1 mm 7,4 x 5 mm 11,2 x 6,3 mm 5,6 x 3,2 mm 5,6 x 3,2 mm Effective Array 79 mm² 36 mm² 71 mm² 17 mm² 17 mm² Ratio 16:10 3:2 16:9 16:9 16:9 Resolution 1920*1200 (2,3 MP) 3072*2048 (6,3 MP) 3840*2160 (8,4 MP) 1920*1080 (2,1 MP) 1920*1080 (2,1 MP) Pixel size 5,86 µm 2,4 µm 2,9 µm 2,9 µm 2,9 µm Frame Rate 138 fps 50 fps 44 fps 135 fps 44 fps ADC-Bit depth 12 bit 14 bit 12 bit 12 bit 12 bit Full-Well capacity 32 ke- 15 ke- 12 ke- 12 ke- 15,7 ke- Pixel-Fov (@1000mm) 1,21" 0,5" 0,6" 0,6" 0,6" QHY5-III-174 Mono / Color
High QE 78% and USB 3.0 interfaceThe QHY 5-III-174 is the first in the 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 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 backfocus, making the camera ideal for off-axis guiding. In addition, the QHY5III174 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.
Further detailed information can be found on the original webpage of QHYCCD:
If you have any further questions, please send us an email to kontakt (at) baader-planetarium.de.
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