Z mount lens adapter for QHY163M COLDMOS Astronomy Camera
Description
The [QHY163M COLDMOS Astronomy Camera](https://www.qhyccd.com/index.php?m=content&c=index&a=show&catid=94&id=15) is a $1100 USB3 camera with a 16MP cooled monochrome micro Four Thirds (MFT) CMOS sensor. It comes with an M42 thread about 18mm from the sensor plane, which is short for M42, but unfortunately too far for a Nikon Z-mount lens to hit infinity focus. In particular, the lens of astronomical interest is the new [Nikkor Z 58mm f/0.95 S Noct](https://www.nikonusa.com/en/nikon-products/product/mirrorless-lenses/nikkor-z-58mm-f%252f0.95-s-noct.html), which seems to have relatively minor aberrations at the very bright f/0.95 maximum aperture. Although the lens is manual, it actually needs power for various things; however, it can be manually focused and used wide open without power. The adapter design here replaces the M42 mount on the camera. Once the four central screws have been removed, the camera looks as shown in the photo. The printed adapter is then connected to the camera using the same four screws that held the M42 flange. Once the printed adapter is screwed in, the Z-mount lens is attached normally; there is a small slot in the adapter edge to aid alignment for inserting bayonet.
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