View Single Post
  #15  
Old 01-11-2011, 10:26 AM
cventer's Avatar
cventer
Registered User

cventer is offline
 
Join Date: Jul 2005
Location: Melbourne Australia
Posts: 957
Quote:
Originally Posted by RickS View Post
Greg,

The SX AO-LF deviator plate is 60mm diameter, but the prism is in the optical path, so I think you'd get significant vignetting with a really big sensor.

I have an AO-LF sitting here waiting for my Atlas to arrive. I'll be putting them both on the GSO RC10. Without the Atlas I don't have enough back focus to make everything fit.

Cheers,
Rick.
Rick do mean back focus or inwards focus ? With the extension rings for the gso I am surprised back focus is an issue? I would have thou go inward focus travel may be with sx ao, plus filter wheel plus camera etc...
Reply With Quote