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Old 08-03-2015, 10:46 AM
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barx1963 (Malcolm)
Bright the hawk's flight

barx1963 is offline
 
Join Date: Nov 2008
Location: Mt Duneed Vic
Posts: 3,982
Quote:
Originally Posted by breammaster View Post
Just wanted see get your opinion on the collimation in my saxon 8 inch dob. I bought it second hand and haven't adjusted collimation yet. Would prefer not to if it won't make much difference To the view. The thing i am noticing is that the reflection of the primary mirror in the secondary seems to take up the entire secondary surface. there is no black space around the primary mirror reflection. My 5 inch dob had that narrow black space around the circumference in the primary reflection on the secondary. Is this normal? Will it effect views?
Short answer, it looks fine. You can see all three mirror clips and all appears centred so it is pretty good. Are you using any collimation tools?

Malcolm
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