Re: (ATM) turned down edge

[epabcc@epa.ericsson.se (Bratislav Curcic)]

> I played around Dick Suiters 
> APERTURE program recently setting up narrow ROLLED edges of 1 to 2 waves 
> of maybe 5% of the mirror diameter and was shocked to find the best RMS
> focus airy pattern was still EXCELLENT.

Yes, but SO easy to see in defocussed images ... Imagine fellow
ATMs looking at it and just count PHOEY's and YUCK's. I'd rather
mask down those 5% ... :-)

Bratislav

PS when I think about it, that's exactly what happened to me (grin)