Nikon D40 Owner's Manual page 112

The following features are available with CLS-compatible flash units:
Flash mode/feature
i-TTL
AA Auto aperture
A Non-TTL auto
GN Range-priority manual
M
RPT Repeating flash
REAR Rear-curtain sync
Red-eye reduction
Flash Color Information Communication
AF-assist for multi-area AF
Auto zoom
Auto ISO
1. Only available when SU-800 is used to control other flash units.
2. CPU lens required.
3. Standard i-TTL for Digital SLR is used with spot metering or when
selected with Speedlight. Otherwise i-TTL Balanced Fill-Flash for Digi-
tal SLR is used.
4. Can be selected from camera Custom Settings menu ( 78).
The following Speedlights can only be used in non-TTL auto and manual modes at shutter
speeds of / s or slower. Flash charge state is shown by the Speedlight flash-ready indica-
1
500
tor. In TTL mode, the 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
RPT Repeating flash
REAR Rear-curtain sync
1. In P, S, A, and M modes, lower built-in flash and use optional Speed-
light only.
2. Autofocus is available only with AF-S VR ED 105mm f/2.8G IF Micro
Nikkor lenses.
Use Only Nikon Flash Accessories
Use only Nikon Speedlights. Negative voltages or voltages over 250V applied to the accessory shoe
could not only prevent normal operation, but damage the sync circuitry of the camera or flash. Before
using a Nikon Speedlight not listed in this section, contact a Nikon-authorized service representative
for more information.
The AS-15 Accessory Shoe Adapter
When the AS-15 accessory shoe adapter (available separately) is mounted on the camera accessory
shoe, flash accessories can be connected via a sync cable.
100 Technical Notes/Optional Accessories
Speedlight
SB-400 SB-800 SB-600
2
2
—
—
—
Manual
—
2
—
SB-26, SB-25, SB-24
4
SB-800 SU-800
3, 4 3 3
6
—
6
—
—
4
—
5. i-TTL Balanced Fill-Flash for Digital SLR
6. Use Speedlight controls to select flash mode. Non-TTL auto is selected
automatically when a non-CPU lens is attached.
7. Auto aperture is selected automatically if CPU lens is attached. Non-
TTL auto is selected automatically if non-CPU lens is attached.
8. Use Speedlight controls to select flash mode.
1
SB-50DX , SB-23, SB-29
2
SB-21B , SB-29s
—
—
3. When mounted on D40, flash mode is automatically set to TTL and
shutter release is disabled. Set Speedlight to A (non-TTL auto) mode.
4. Available when camera is used to select flash mode.
Advanced Wireless Lighting
Commander
1
SB-800 SB-600 SB-R200
5 5 5
7 8 8
7 7
—
— — —
— —
— —
—
— —
— — —
2
SB-30, SB-27
2
SB-22, SB-20, SB-16B, SB-15
Remote
5 5
— —
— —
— —
—
— —
— —
— —
— —
— —
3
, SB-22S,
—