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Old 17-11-2013, 08:43 PM
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alpal
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Join Date: Jan 2012
Location: Melbourne
Posts: 3,629
Quote:
Originally Posted by multiweb View Post
Just realised you're using the RCC which allows a lot more back focus. I use the MPCC. Is that a 13mm spacer before your filter wheel? Just trying to work out how far the OAG/Lodestar is.
I couldn't tell you off hand what the precise measurements are -
I no longer have a vernier.

I went to the RCC because the MPCC didn't have enough back focus.
It is also a better 3 element design.
I would recommend the Varilock spacer which is adjustable.

On this pic you can see that a small amount of material has been removed from the plastic
filter wheel housing to connect it up the way I have it
with an OAG.

http://www.flickr.com/photos/2471943...n/photostream/


cheers
Allan
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