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FI
G
. 13/1
4
If you pull this lever up or down, you will notice that the image seen through the eye-
piece is split horizontally in the middle. As soon as the two halves join up, the camera is
focused at the correct distance as shown by Figs. 13 and 14. The distance is also shown in
the small cut-out on the lens panel. You
can,
of course, equally well focus in the reverse
order
:
estimate the distance, set the lens, and check through the rangefinder whether the
setting is
correct.
With hori zontal shots focus on vertical lines, with vertical shots on
horizontal lines of the
subject.
20
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