QHY5L-II-M Mono Planetary and Guiding camera

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Product Overview

The QHY5L-II Series uncooled cameras fit in a standard 1.25-inch eyepiece holder and have an adjustable location ring for confocality with an eyepiece. They are ideal for use as low-weight autoguiders or planetary cameras where short exposures are typical. The cameras come in very small but powerful packages! The improved thermal design allows the heat generated by the CMOS sensor to be transferred externally to the telescope’s eyepiece tube.

QHY5L-II is one of our most popular guide cameras, it has high sensitivity, an exceptional 74% QE, and low noise. The read noise is remarkably low (~ 4 electrons) and the on-chip FPN (Fixed Pattern Noise) calibration function solves one of the major problems of CMOS technology, resulting in images that are clear and uniform, even under high gain. With these advantages, the QHY5L-II provides outstanding image quality for planetary imaging, autoguiding, deep-sky and all-sky imaging. Available in color and monochrome versions. The sensor has 1280 x 960 pixels at 3.75um and the camera is capable of 30 FPS in high resolution mode, 106 FPS in VGA mode.


CMOS SensorMT9M034
Pixel Size3.75um
Total Pixels1.2 Megapixels
Optical Format1/3-inch
Frames Rate (Full Resolution)30FPS
Frame Rate (640 x 480)106FPS
Quantum Efficiency74%
Color VersionQHY5L-II-C
Monochrome VersionQHY5L-II-M
Computer InterfaceUSB2.0
Guider InterfaceStandard 6-pin RJ11
Telescope Interface1.25-inch,CS-Mount


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