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Old 08-05-2012, 10:17 AM
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avandonk
avandonk

avandonk is offline
 
Join Date: Aug 2005
Location: Melbourne
Posts: 4,786
Quote:
Originally Posted by dvj View Post
Something I forgot to ask. Is there a critical mechanical distance between the corrector element and the focus point with the RH200?
Focus is 115mm behind the rear plate and is fixed as the corrector is fixed.

Only the primary mirror needs to be aligned for collimation.

Bert
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