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It seems that the people who make the Raspberry Pi are making a Sony IMX477 chipped camera available for use with their astonishingly cheap computers. Might make a reasonable autoguider or all sky camera perhaps.
Certainly an interesting development however important to consider the size of the sensor.
Based on the 7.81mm diagonal value mentioned in the article, it looks like the sensor is less than 1/4″ x 1/4″ hence is significantly smaller than the image circle of many c-mount (let alone DSLR) lenses. Hence the FOV will be correspondingly small.
That chip size is plenty big enough for a decent all-sky camera and plenty of 180deg fish eye lenses to suit such as the Arecont f2 1.55mm lens. You can see all-sky pictures taken with that lens and a chip just 4.8mm x 3.6mm here; http://skyinspector.co.uk/allsky-camera-ii
Cheers
Martin
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