[Leica] Forscher's lights

[mark at rabinergroup.com (Mark Rabiner)]

> Back in the lith film/process camera days this was standard procedure in
> shooting halftones; there was a bump, which was a brief exposure of the 
> film
> with out the overlaying dot screen, and the flash, which usually came after
> the main exposure, and was exposed through the dot screen. The idea was to
> punch up contrast.
> 
> The flash lamp hung above the back of the camera, hooked to a timer, and 
> the
> exposure took place with the camera back dropped and the film held in 
> place on
> the vacuum back.


Or is it punch Down the contrast?


Mark William Rabiner