Nikon D90 User Manual page 256

❚❚ Other Flash Units
The following flash units can be used in non-TTL auto and manual modes. If they are
set to TTL, the camera shutter-release button will lock and no photographs can be
taken.
Speedlight SB-80DX, SB-28DX, SB-28,
Flash mode
A Non-TTL auto
M Manual
G
Repeating flash
REAR Rear-curtain sync
1 Flash mode is automatically set to TTL and shutter-release is disabled. Set flash unit to A (non-TTL auto
flash).
2 Autofocus is only available with AF-Micro lenses (60 mm, 105 mm, or 200 mm).
n
236
SB-26, SB-25, SB-24
✔
✔
✔
✔
SB-30, SB-27
SB-50DX SB-22, SB-20, SB-16B, SB-15
✔
—
✔ ✔
— —
✔ ✔
1
, SB-22S, SB-23, SB-29
2
SB-21B , SB-29S
—
✔
—
✔
2
,
2