Nikon AI-S Micro-Nikkor 55mm f/2.8 Manual de instruções - Página 18
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Reproduction ratio is the relation
of the image size to be recorded on
the film to the subject size. For ex-
ample, if the image on the focusing
screen is one-fifth the size of the
subject, the reproduction ratio is 1:5,
and this is indicated on the reproduc-
tion ratio scale on the focusing ring
by the figure 5.
Focusing at predetermined reproduction ratio
In front of the distance scale are two reproduction
ratio scales engraved in orange. The inner scale with
figures from 1:10 to 1:2 represents values obtained
when the lens is used alone, while the outer scale with
figures from 1:2 to 1:1 represents values obtained
with the PK-I3 ring. Using either of these scales,
you can photograph a subject at a predetermined
reproduction
ratio
without
any complex calcu-
lation. To photograph a subject at 1:5 reproduction
ratio, for example, just turn the focusing ring so that
the figure 5 on the reproduction ratio scale aligns