Thread: Riccardi-Honders first light
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  #16  
Old 17-02-2012, 03:32 PM
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Peter Ward
Galaxy hitchhiking guide

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Join Date: Dec 2007
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Quote:
Originally Posted by multiweb View Post
Is focus tricky on this thing? How big is the CFZ?
Thanks to H for doing the math...

Yep about 30 microns. That said I found focus with the 10:1 feathertouch was easy.
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