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[ATM] Null Test Lens Source



Can you specify the lens?   Is it correct that this does not need
to be an achromat, since you will test a a single color?

Steve Beccue
steve@beccue.com

On Mon, 1 Mar 2004, Robert Turner wrote:

> Hi,
> 
> Is there anyone that is able to make a lens for a null test? 
> 
> 
> Robert
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