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Old 04-08-2020, 06:59 AM
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Don Pensack
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Don Pensack is offline
 
Join Date: Aug 2006
Location: Los Angeles
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Quote:
Originally Posted by Stonius View Post
Strangely enough, that's the reason behind this whole post. I'm thinking of cross-grading to just three really good eyepieces, and I was thinking of exactly the configuration you mention. :-)
I found that if the fields are 100°, you can have bigger jumps between focal lengths and get away with it.
In 100°, for instance, a 21mm, 13mm, 8mm could be a set or 17mm, 10mm, 6mm. That would depend on the focal length of the scope.
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