Nikon D3100 User Manual page 266

The following features are available with CLS-compatible flash units:
Flash mode/feature
i-TTL i-TTL balanced fill-flash for digital SLR
2
AA Auto aperture
A Non-TTL auto
GN Distance-priority manual
M Manual
RPT Repeating flash
AF-assist for multi-area AF
Flash Color Information Communication
REAR Rear-curtain sync
Y Red-eye reduction
Power zoom
Auto ISO sensitivity control (0 132)
1 Only available when SU-800 is used to control other flash units.
2 CPU lens required.
3 Standard i-TTL flash for digital SLR is used with spot metering or when selected with flash unit.
4 Standard i-TTL flash for digital SLR is used with spot metering.
5 Selected with flash unit.
6 Auto aperture (AA) is used regardless of mode selected with flash unit.
7 Can be selected with camera.
❚❚ Other Flash Units
The following flash units can be used in non-TTL auto and manual modes.
Flash unit SB-80DX, SB-28DX, SB-28,
Flash mode
A Non-TTL auto
M Manual
G
Repeating flash
REAR Rear-curtain sync
1 Select mode P, S, A, or M, lower built-in flash, and use optional flash unit only.
2 Flash mode is automatically set to TTL and shutter-release is disabled. Set flash unit to A (non-TTL auto
flash).
3 Autofocus is available with AF-S VR Micro-Nikkor 105mm f/2.8G IF-ED and AF-S Micro NIKKOR 60mm
f/2.8G ED lenses only.
4 Available when camera is used to select flash mode.
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Flash unit
SB-900
SB-800 SB-600 SB-400
✔
2 3
✔
5
✔
5
✔
✔
✔
✔
2
✔
✔
✔
✔
✔
SB-26, SB-25, SB-24
✔
✔
✔
✔
4
Advanced Wireless Lighting
Commander
SB-900
SB-800 SU-800
✔ ✔ ✔
3 4
✔
6
— —
✔
6
— —
— — —
✔ ✔ ✔
7
✔
— —
✔ ✔
—
✔ ✔ ✔
✔ ✔ ✔
✔ ✔ ✔
✔ ✔
—
✔ ✔
—
SB-30, SB-27
1
SB-50DX SB-22, SB-20, SB-16B, SB-15
—
✔
—
✔
Remote
SB-900
1
SB-800 SB-600 SB-R200
✔ ✔ ✔
✔ ✔
6 6
—
✔
6
— —
— — —
✔ ✔ ✔
✔ ✔ ✔
✔
— —
— — —
✔ ✔ ✔
— — —
— — —
— — —
2
, SB-22S, SB-23, SB-29
3
SB-21B , SB-29S
✔
—
✔ ✔
— —
✔ ✔
✔
—
—
—
✔
—
—
—
✔
—
—
—
3
,
3