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Old 19-06-2018, 06:01 AM

Kunama is offline
Join Date: Sep 2012
Posts: 3,588
Originally Posted by Billyboy78 View Post
Update: After a lot of good advice I'm thinking the old design was not very practical, so I've redesigned it as an 20" F3 and the secondary 8" f2.75. I've done full sized ray tracing and its shown to drop the overall length by 1.3 meters. I know the f3 will be a challenge but its nothing a bit of patience wont fix.
That's the spirit, I would like to see this scope come to fruition Billy

Though I dare say it would not be my first choice for a project
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