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Safe-light
check
This
is very often one of the most over looked aspects of making
prints. Some safe-lights or the over powered lamps used in
them and or situation can mean that unsafe light is reaching
the paper and over a period of time this can affecting the
tones on the paper by fogging it. Distinct differences can
be caused between paper that is exposed to this unsafe light
for longer than other paper, although they might have the
same exposure at the time of enlargement. This stray light
can lower the grade of the paper and create a greyness over
the whole paper or parts of it. |
Move over Image to View Roll Over Image
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To test for safe-light fog, place a piece of photographic paper in the working area and leave for 5 -6 min. When this paper is developed it should show no signs of a circular mark, if there is a mark the safe light is fogging the paper.
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