Re: [Cameramakers] Making ground glass

[Michel Dusariez]

Nice advice, two different grinds,  I will use it.

>This sounds as though there may be a tradeoff between fineness of 
>the groundglass and brightness of the image.  Maybe it would make 
>sense to put about a 10 to 15 mm spot of very fine grind or etching 
>at the center to use for focusing, and surround it with a coaser 
>grind for a brighter image...RKS
>

-- 

Michel DUSARIEZ
UNLIMITED FIELDS RESEARCH PANOPTIC IMAGING asbl
KITE AERIAL PHOTOGRAPHY WORLDWIDE ASSOCIATION - FOUNDATION
14, Avenue Capitaine PIRET
B-1150 BRUXELLES - BELGIUM
Fax 32 2 512 68 29
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