RE: [ATM] Ross null test?

[Ric Rokosz <radicell2@yahoo.com>]

--- lou krajci <loukrajci@comcast.net> wrote:


> Have you ever used the Maksutov/Waineo null test? 
> What are your
> impressions...as they apply to the ATM community? 
> If you have not used the
> Maksutov/Waineo null test...do you know anyone who
> has?...and if yes, what
> were their opinions?  How does it stack up to the
> Ross null test?

Lou (??)
 No.I've never tried the Waineo,as the Ross is
"cheaper " in that you don't have to send the lens out
to get coated plus the risk of third party handling.
 If you check the older atm archives some people have
reported they like the Waineo more but never heard of
anyone doing a direct comparison on the same mirror.

You'd have to play with the software a bit to get a
feel for the limits.

The added advantage of the Ross is that it can be used
to null out the reference element (hyperbolic) when
making Cass secondaries ,be it the normal Cass or the
Ritchey - Chrieten type.A big plus in my view..

Ric



		
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