Problem darkroom: Philips and densitomentro timer. On timer okbut
densitometer do not understand where to place the cell that allows
check the density of the film resulting in the determination of
correct shutter speed (say, more or less correct).
From the first test returns values crock I think too
low (type 3 or 4 seconds of exposure) but I have not risked the
Click on either test.
These are the questions:
- on paper multigrade the densitometer should be placed before orafter the
filter
between lens and paper?
- the density has to be taken on the film reflected on the paper?
I know that the shutter speed is subjective and can be creative but Ineeded
a timer and I found bundled with exposure, so that ...
Thanks for the answers ... John