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Fully illuminated fov

Started by chwilson, 03/03/2003 01:50PM
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Posted 03/03/2003 01:50PM Opening Post
Christopher Wilson
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Join Date: Aug 2002

Location: High Point NC, US

Posts: 10

I have a 2.1" secondary that provides a 1/2" fully illuminated fov. If you can still not experience much vignetting with an 80% illuminated fov, does this mean that the maximum field stop I can effectively us is .625" or 15.9mm? I not, please explain the concept of fully illuminated fov.

Thanks
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