Nikon BC-7 Instructions Manual page 19

Example 3.
Flash bulb:
Shutter speed :
G.E. AG-1 or
Sylvania AG-1
1/ 30 sec.
(T).lrn the synch selector dial on
tlie Nikon F until the white dot
and F appe;ars in the window.)
Speed of film: ASA 160
Distance .to the subject: 10 ft.
1. Turn the revolving dial to set
the ASA figure 160 for black·
and-white film(in black) to the
white dot (for AG- 1).
2. The correct exposure will be
obtained with an aperture of
about fi ll at the distance of
10 ft.
FIG. 11
19