Kodak Retina automatic III

Example
You wont to use a yellow-green filter (F III) for
a shot on block-and-white film. On the film
speed scale you have set, for instan ce, 50 ASA.
The table on the preceding page indicates that
the film speed setting must be reduced by
1 division if a yellow-green filter is used . Your
new setting on the ASA scale therefore be-
comes 25 ASA (see illustration) .
When the filter is removed again, remember
also to reset the · film speed accordingly - In
our example bock to 50 ASA.
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