Nikon SB-28 Instruction Manual page 29

Confirming the flash shooting distance range in TTL
Auto Flash t Mode
Applicable to cameras in Groups I and II
The method for confirming the shooting distance differs, depending on the
lens in use and the selected exposure mode. Check the flash shooting
distance range as described below.
Nikkor lenses with a built-in CPU
• In Programmed auto (P, Ps) or Shutter-priority auto (S) mode:
(1) Set the lens to its minimum aperture (highest f-number) (except G-type
Nikkor lenses).
(2) Press the shutter release button halfway and check the shooting
distance range on the SB-28's LCD panel.
• In Aperture-priority auto (A) or Manual (M) mode:
Check the indicator bars _ and the subject's distance as you rotate the
camera's command dial or lens aperture ring to determine the aperture
value.
Nikkor lenses without a built-in CPU
• In Aperture-priority auto (A) or Manual (M) mode only:
(1) While looking at the indicator bars _, press the { or } button to
change the aperture and bring the subject within the flash shooting
distance range.
(2) Note the aperture and set it on the lens.
Flash shooting distance range
Aperture value
29