Nikon D3100 2 manual Other Flash Units, 174

The following features are available with CLS-compatible flash units:

						Advanced Wireless Lighting
					Commander			Remote
		SB-900			SB-900		SB-900
		SB-800	SB-600	SB-400	SB-800	SU-800 1	SB-800	SB-600	SB-R200
i-TTL	i-TTL balanced fill-flash for digital SLR 2	✔ 3	✔ 3	✔ 4	✔	✔	✔	✔	✔
AA	Auto aperture 2	✔ 5	—	—	✔ 6	✔ 6	✔ 6	—	—
A	Non-TTL auto	✔ 5	—	—	✔ 6	—	✔ 6	—	—
GN	Distance-priority manual	✔	—	—	—	—	—	—	—
M	Manual	✔	✔	✔ 7	✔	✔	✔	✔	✔
RPT	Repeating flash	✔	—	—	✔	✔	✔	✔	—
AF-assist for multi-area AF 2		✔	✔	—	✔	✔	—	—	—
Flash Color Information Communication		✔	✔	✔	✔	—	—	—	—
REAR	Rear-curtain sync	✔	✔	✔	✔	✔	✔	✔	✔
Y	Red-eye reduction	✔	✔	✔	✔	—	—	—	—
Power	zoom	✔	✔	—	✔	—	—	—	—
Auto ISO sensitivity control (0 132)		✔	✔	✔	—	—	—	—	—

1Only 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.

		SB-80DX, SB-28DX, SB-28,		SB-30, SB-27 2, SB-22S,	SB-23, SB-29 3,
		SB-26, SB-25, SB-24	SB-50DX 1	SB-22, SB-20, SB-16B, SB-15	SB-21B 3, SB-29S 3
A	Non-TTL auto	✔	—	✔	—
M	Manual	✔	✔	✔	✔
G	Repeating flash	✔	—	—	—
REAR	Rear-curtain sync 4	✔	✔	✔	✔

1 Select mode P, S, A, or M, lower built-in flash, and use optional flash unit only.

2Flash mode is automatically set to TTL and shutter-release is disabled. Set flash unit to A (non-TTL auto flash).

3Autofocus 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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