I used a ZWO CS Lens and a ZWO ASI462MC to make a wide-star field / astronomy weather camera. A ZWO ASAIR Plus provided remote monitoring of cloud cover with a 30 x 30 degree view.

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I found focusing Initially tricky but this method works every time -
1 set all levers to their leftmost positions (N, O, W)
2 lock the O-C lever by screwing it in
3 back off the focus lever a little
4 turn the W-T lever until close to focus and lock it
5 with very small movements turn the top lever for best focus.

Only gripe is the three slider controls for focus,aperture and zoom markings not quite right. Compared to a regular DSLR camera lens the infinity is well off the end stop, the focus and aperture need fiddling with as a pair to get a focus that works but once found, have gave me a good view of night sky. An all sky lens is no good for me as have roof lines etc in the way so this is far better. Plan to use for outreach zoom meets to show night sky whole constellations and for this it is ideal. Used so far with ZWO 120 mini.

A good little lens

I tried using the stock lens for Meteors but the field of view is far too wide, this is fully adjustable so is a great little additional lens.

Note, you need to unscrew the original lens and fit it to the T2 to CS adaptor ring that comes with the original camera lens.

No need to purchase another T2 to CS adaptor, although they are available to purchase separately if required.