RE: [ATM] Ross null test?

[steve beccue <lsteve@Beccue.com>]

As long as we are considering both.  Do both tests
have the same tolerances?   That is, are the results
equally sensitive to the physical position of the lens or
mirror?

What are the tolerances involved?

Thanks.

Steve Beccue
steve@beccue.com

On Sat, 28 Aug 2004, lou krajci wrote:

>> From: Ric Rokosz [mailto:radicell2@yahoo.com]
>
>> 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.
>
> OK, you have to pay for a mirror coating for Waineo/Maksutov null, but to
>
>> The added advantage of the Ross is that it can be used
>
> Do you mean the Ross null test can test concave aspheres, other than

> Tom Krajci
>
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