At 05:47 PM 4/5/02 -0800, Richard F. Man wrote:
OK, I got interested and found a .ps file on the web for the USAF chart.
How big is it suppose to print out? Or should I just buy one from one of
the online sites?
Is the "40x the focal length" the standard way of using it? How do you
interpret the results?
Hi Richard,
I don't think I'd purchase one if you've got access to a good printer. Go
to the following link, read it and download the files and read those
instructions. I think it'll answer your questions and may cause you to
have more. :-)
http://wdn.com/~johnchap/lenstest/testlens.htm
Later,
Johnny
__________________________
Johnny Johnson
Lilburn, GA
mailto:jjohnso4@xxxxxxxxx
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