On Gio, 8 gen 1998 20:41, Lars Haven <mailto:lhaven@xxxxxxxxxxxxx> wrote:
>(This might be a feature for the ultimate OM camera: Built in
>pre-exposure. Mount a few tiny lamps around the lens to give the
>small, diffuse exposure. But C*n*n did it first on the F1 :-(
>Probably patented it also...)
>
This method is (was?) used widely in graphical arts cameras. It allows a
finer control of the halftone %. Of course you can pre-veil the film after
exposure, just before developing. Try for few seconds with an amber or
yellow-green lamp (commonly used in darkrooms).
Marco
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