Nikon SB 20 - Manual (Page 15)

Programmed TTL Auto Flash Shooting (with Nikon F-501/N2020, F-401/N4004 or
F-301/N2000) ------ ' ' .........
Steps 9 through 11 provide instructions for program­
med TTL auto flash shooting with the Nikon F-501/
N2020*, F-401/N4004** or F-301/N2000* camera.-
For other flash exposure operations (TTL auto, non-TTL
auto and manual flash exposure operations) see “SET­
TING CAMERA SHUTTER SPEED” on page 17 and
"DETERMINING APERTURE," pages 18 to 32.
* The Nikon N2020 and N2000 are sold exclusively in the
U.SA. and Canadian markets.
’"'The Nikon N4004 is sold exclusively in the U.S.A. market.
For programmed TTL automatic flash opera­
tion, note the following:
• Use Al-S type lenses only. With Nikon F-401/
N4004, use only AF-Nikkor lenses, except
AF-Nikkor 80mm f/2.8, 200mm f/3.5 IF-ED
and Autofocus Converter TC-16/TC-16A.
• For autofocus operation, set the Nikon
F-501/N2020’s focus mode selector to S for
Single Servo Autofocus mode, or set the
Nikon F-401 /N4004 to A for autofocus mode.
For details, see pages 14 to 16.
Q Set the SB-20’s flash mode selector to
TTL.
For the flash shooting range in programmed TTL auto­
matic operation, see table on page 21.
The shooting distance range panel at the back of the
SB-20 also helps you to see the flash shooting range.
To read a proper distance range, set the film speed
knob and distance scale selector (see page 19.) A pat­
terned bar among the flash shooting distance range
indicators shows the shooting distance range in pro­
grammed TTL auto operation.
10