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QHY miniCAM5S Mono

QHY miniCAM5S Mono


QHY miniCAM5S Mono – Cooled CMOS Camera with Guide Port.

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QHY miniCAM5S Mono – Cooled CMOS Camera with Guide Port.

The QHY miniCAM5S is a premium multi-purpose camera, capable of Deep Sky and Planetary imaging, as well as guiding. 

The camera uses a high QE 1.2mega pixel 1/3inch 1280*960 CMOS sensor, the mono version has a QE of 75%  the colour version 62%.

 MiniCAM5S has 30fps high speed output at the full 1280*960 resolution and 200fps at 320*240, making it a great planetary camera.

It has professional two stage TEC (with set point), which can cool the image sensor down to -45 below ambient, making it an ideal Deep Sky camera. It also has extremely low readout noise of 2e-.

 The high speed, high QE and efficient cooling system make this camera ideal for both Deep Sky and Planetary imaging, as well as many other scientific applications.


minicam5S-2      minicam5S-3      minicam5S-4


The miniCAM5S has an industry standard 5 pin guide port (Common, RA+, RA-, DEC+, DEC-).
QHY is the first manufacturer to use the expensive lemo style connector.

The benefit of such connector is the solid connection between the camera and other devices. MiniCAM5S supports on-camera guiding with 12bit image output in hardware. Whereas the QHY5L-II supports 12bit image output, but the on-camera guide port cannot work in 12bit mode, because the guide port is multiplexing on the data bus of the low 4 bits.

The miniCAM5S is fully protected against moisture. It has a built-in heated board to keep the CMOS chamber window clear and a desiccant tube system to keep the CMOS chamber dry.

The miniCAM5S is an extraordinary camera available in both Colour and Mono versions.

If you only ever buy one camera, buy this one!




CMOS Sensor
Typical 1/3 inch
Effective Pixel
Pixel Size
Readout Type
Progressive Scan
Electric rolling shutter
Exposure Time
10us-1800 sec
Max Speed
1280*960  30 FPS    640*480 106 FPS
Pixel Binning
1*1 and 2*2
Peak QE
Mono>74%    Colour 62%@ 540nm
AD convert
8bit/12bit (output)
Readout clock
48MHz / 72MHz
Readout Noise
High Gain 2e-  Medium Gain 4e-  Low Gain 7e-
Full Well
Mechanical interface
Female T / 1.25 inch nosepiece / C mount
Optic glass window
Mono: AR coated clear glass
Colour: IR block filter
Silica gel socket
Weight (Camera only)
Power Consumption
@ 50% Cooling Power – 10.7 Watt
Guider Interface
5 pin lemo style industrial socket (*Note)
USB2.0 Interface

Note: The camera comes with a 5pin lemo to 6pin RJ11 guide cable





QE Curves




Guide Port Pin Sequence


miniCAM5S_Guide Port Sequence Pin


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