Thread: Which 2" Eyepiece?
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Old 28-04-2008, 12:43 PM
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koputai (Jason)
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Location: Sydney, Australia
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The theoretical longest eyepiece is fl=(scope_f x 7mm).
So, in your f5 Newt it is 5 x 7mm = 35mm.
I use a 35mm in my f5 with no problems.

Cheers,
Jason.
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