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Re: [ATM] Cassegrain Secondary Magnification
Alfredo,
The russiona site does have some formulas, but I guess not enough to
calculate a recipe. It seems like a lot of work to me: a thick meniscus and
a negative mangin mirror, possibly four different RoC (all spherical?).
Have you thought about making a Lurie?
... Arjan
> I was aware of the russian site, but not wolfgangs comments. Pity he did
> not
> publish the specifications. What I need are the optical spefications so I
> can make one!
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