Nikon SB 20 - Page 31

3 To read proper shooting
• distance, set distance
scale selector
to letter shown
in zoom indicator window.
TN W T- .....
POWER I ~:==
4. Choose and set aperture.
The aperture index window shows usable a pe rtur es. For example, w it h
film speed index set at I
SO 10 0 and t he zoom set r in g at N, and if you want
to shoot a
su bject 3m away, you can select any apertu re from 112 to f/8.
You can also dete rm ine apertu re usi ng the SB-20's guide number ( GN ).
For details, see page 32.
With Nikon F- 401 /N400 4, use camera's aperture dial.
29