Thread: GSO 2" 42mm Camera Projection Eyepiece, excellent value at the moment.
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Old 08-06-2012, 11:45 AM
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koputai (Jason)
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This sounds like an ad.......

I've owned the 2" 42mm and found it to be so visually poor that it's not worth using on anything at f/6 or faster.

They may be ok on slower ratio scopes of course.

Cheers,
Jason.
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