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You should be able to mount an E mount lens on a one shot colour CCD as Sony flange distance is something like 20+ mm. But mono with a filter wheel would be way too wide for an E mount adapter.
I agree you would be better off with other lenses. Pentax 67 lenses are cheap. You may need a Precise Parts adapter for it though.
Lenses I am aware of that are good for astrophotography are:
1. Nikon 50mm F1.8D Nikon 50mm F1.8G. Nikon 14-24mm. I hear the 16-85 is good but no personal knowledge.
2. Nikon 105mm F2.5 AIS.
3. Nikon 85mm F1.8 G (needs to be stopped down to F2.8).
4. Nikon 180mm F2.8 ED (a bit of chromatic aberration, again stopped down helps but Lightroom gets rid of the blue halos easily enough).
5. Pentax 67 75 F3.5, 165 F2.8 300mm F4.
6. Pentax SMC 100mm, 150mm.
7. Not too sure about Canon EF lenses but there would be plenty. The 50mm F1.8 is almost identical to the Nikon so I assume it would be good.
8. Samyang 12, 14, 24mm. Samyang 8mm fisheye (APSc sized).
Not too sure about Canon FD lenses. Possibly the L series may be fine.
Greg.
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