clockwise; to decrease the tension, rotate the adjusting ring counter-
clockwise.
2.2.4 Adjusting the Diopter
Before shooting, the diopter setting of the viewfinder should be ad-
justed to the operator’s eye. To set the diopter (d) look through the
viewfinder, rotate the diopter set ring until the edge of the cross-hair
is at its sharpest point. It is recommended that, for easiest setting,
this adjustment be performed with the port cover off and no lens on
the camera.
Notice that the diopter set ring is engraved with numbers and dots -
use this reference to quickly recall your particular setting when more
than one person will be looking through the view-finder.
The range of the diopter setting is + or - 3. If the range does not
reach your particular diopter setting, the viewfinder optics can
quickly be adjusted by a qualified technician and the diopter range
reset to meet your needs.
2.2.5 The Eyepiece Shutter
In order to avoid unwanted light seepage through the viewfinder,
the eyepiece shutter must be closed any time the camera is running
film and the operator’s eye is away from the viewfinder.
To close the eyepiece shutter on the standard bellows eyepiece and
250mm extension, grasp the ring at the base of the eyecup and rota-
23
THE CAMERA BODY
d
c
b
a