[ATM] Star testing an uncoated mirror? No luck.

waldo kitty wkitty42 at windstream.net
Sat Oct 24 04:15:27 JST 2009


Shane LaPierre wrote:
> I am horrible at rushing a mirror near the end... sleeping on it and 
> extended testing are my only cure.

as long as you let it come back to temperature equilibrium after you wake up and 
get off of it, you and it should be ok for more work ;)

> Shane LaPierre
>>
>> If I might add one point on wishful thinking...  My goal is not to 
>> wishfully
>> wish away wishful thinking.  Instead, I accept that I'm fallible.  A
>> successful strategy for me is to try on a second night.  
>> Psychologically I'm
>> much more accepting that I might need to spend more time figuring the
>> mirror, and consequently I see defects that I couldn't see before.
>>
>> I've observed this phenomena multiple times with some of the best mirror
>> makers that I know.  They literally are blind to defects that scream out.
>> Once I point them out, the mirror, almost as if by magic, changes 
>> shape and
>> now they too can see the issues.  Interesting.
>>
>> BTW, I'm seen same with Foucault testing, from time to time.
>>
>> Mel Bartels
>>
>>
>>
> 
> _______________________________________________
> ATM mailing list http://www.atmlist.net/
> 



More information about the ATM mailing list