Extension Rings
The values in the table represent those
when the five extension rings are attached
and the lens distance scale is set at the
closest distance.
The lens-to-subject distance represents
the distance of the subject from the front
extremity of the lens barrel.
Subject coverage is the area of the subject
registered on the focusing screen (2 ¼ x 3
5/16
in 57 x 84mm).
Precaution
When using many extension rings for
photographing in the 6 x 9cm format, certain
lenses may produce pictures with darker
corners. By stopping down the aperture while
looking into the focusing screen, how much
darker the corners appear can be observed,
The 75mm f/5.6 and 250mm f/5 lenses
cannot be mounted with extension rings.
Maximum Close-up
Photographing
Table
Use a set of five extension rings in various
combinations between the lens-shutter as-
sembly and the camera body for close-up
photography.
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