Re: [APML] 35mm focusing - using a ronchi grating in filter holder?

[Jerry Lodriguss <jerry@astropix.com>]

At 04:37 PM 7/20/2003 -0700, you wrote:
>Good point.  I missed that detail.  So does
>it make sense to simply replace the camera's
>ground glass with a grating?


That might work if you could be absolutely certain you had the ronchi 
screen at exactly the same place as the film plane. Then you would have to 
change the screen to frame the shot though.

Jerry

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