Kodak SPECIAL How To Use Manual page 26

recorded on the film. This error is called parallax. For distant and
medium scenes the parallax is negligible, but it becomes noticeable in
close-ups.
As shown in
eye-level finder.
As seen in
reflex finder.
As recorded
on film.
To compensate for parallax, "6 FT." and "2 FT." lines are etched on
the finder lens of the I-in ch f.1. 9 lens. They show the top of the picture
when the subject is 6- or 2-feet, respectively, from the camera. The
finder lens of the adapter for the 15 mm. f.2.7 wide-angle lens is marked:
4 ft. and 2 ft., and the adapter used with the telephoto lenses has
masks with pointers that accomplish the same purpose.
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