Re: Relay-Cassegrain?

From: jeff (jalowe44INVALID_at_hotmail.com.INVALID)
Date: 03/28/05


Date: Mon, 28 Mar 2005 22:17:46 GMT

Linus Das wrote:
> On a recent David Levy radio show there was
> Mario Motta describing a Relay-Cassegrain
> optical design:
>
> http://www.letstalkstars.com/20050222.ram
>
> I've not heard of such design before - does
> it really work?
>

It's a Millworth....
Scott Milligan's version of a Dillworth. Its a pretty cool design that
we are considering for the Stellafane 27". By using a relay lens it
allows for a highly corrected all spherical fast optical system with the
final image behind the primary.

-- 
jeff


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