Nikon 1797 Digital Camera User Manual


 
118
TTL Auto Flash Operation
The difference between Automatic Balanced Fill-Flash and stan-
dard TTL flash is in whether the flash output level is automati-
cally compensated or not. Operation is the same.
•Usable film speed range in TTL auto flash is ISO 25 to 1000.
1
Set camera’s metering system and exposure mode, refer-
ring to the table on pages 111-113.
2
Turn Speedlight on.
3
Set Speedlight’s mode selector to TTL.
•With the SB-23, setting the mode selector to TTL simultane-
ously turns the Speedlight on.
4
Look through the viewfinder, compose picture and lightly
press shutter release button, to confirm exposure indica-
tion in the LCD readout. In autofocus operation, also confirm
that in-focus indicator (/) appears.
•Do not block the flash or AF-assist illuminator LED during flash
photography.
•In Programmed or Shutter-Priority Auto exposure mode, if you
fail to set CPU Nikkor lens other than G-type to minimum
aperture, ƒEE blinks.
5
Confirm exposure and shooting distance.
Refer to the shooting distance bars of SB-28/28DX, SB-27,
SB-26, SB-25 or SB-24, or the flash shooting distance range
table of the SB-23, SB-22s, SB-22 or SB-20. (See page 116
when 1/300 TTL High-Speed Sync is selected.) For details, see
Speedlight’s manual.
6
Confirm that ready-light is on, then fully depress shutter
release button to take a picture.
P400 (E) 02.12.27 6:42 PM Page 118