Re: [ATM] Re: Aplantic Gregorian (was: 25" mirror possibilities)

[Jarvis Krumbein <jkoptic@juno.com>]

Vladimir, you are right to consider the Dall-Kirkhamm to be one of the
friendliest designs.  It does require the same baffeling that a Cass or
RC need though which is not always easy.  Dall got around this by using
transfer lenses.  If you look at the folded Gregorian you will see a
system that is very easy to baffle and can have a very small central
obstruction too.

Jarvis Krumbein



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