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When used as a slave flash unit, the SB-26 will fire when its
Wireless Slave Flash sensor catches light from the master
flash unit. For Wireless Slave Flash photography, the SB-26’s
Wireless Slave Flash selector provides two positions “D”
("delay" mode) and "S" ("simultaneous" mode).
In "delay" mode, the SB-26 will fire a moment after the master flash unit fires, without affecting the master flash unit’s flash exposure control. In "simultaneous" mode, the SB-26 will fire at the same time as the main flash unit fires. When performing Wireless Slave Flash to eliminate harsh shadows in TTLauto or non-TTL auto flash mode, the master flash unit's flash exposure control may be affected by the light from the slave flash unit, resulting in underexposed subject.
When the Wireless Slave Flash selector is set at "D" or "S", the wireless flash icon appears in the LCD panel.
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Nikon SB-26 Additional Info
Settings on flash units and camera
- Set the SB-26's wireless slave flash selector to "D" or
"S". If two or more SB-26 units are used one as a master
unit, the other as slave unit(s) or all as slave units set the
Wireless Slave Flash selector on all units to the same
setting. With the Wireless Slave Flash selector set at
"OFF", the SB-26 as a slave flash unit does not fire when
the Wireless Slave Flash sensor catches the light.
- Set the flash mode selector of the master flash unit to TTL
auto, non-TTL auto or manual, as you like. Do not set FP
High-Speed sync when the SB-26 or SB-25 is used as a
master flash unit.
- Set the flash mode selector of SB-26 used as a slave flash
unit to non-TTL auto or manual. TTL auto flash is not suitable.
- Set the camera's exposure mode to Aperture-Priority Auto
or Manual exposure mode and set the desired aperture on
the lens.
- Locate the master flash unit within the flash shooting distance
range (for TTL auto or non-TTL auto flash mode) or
at the flash shooting distance (for manual flash mode). If
camera/Speedlight combination does not offer automatic
aperture adjustment on the Speedlight, you must first set
the aperture value (same as set on the lens) on the
Speedlight.
- For "delay mode", set the camera's shutter speed one step
slower than the camera's synchronization speed.
(When using the F5, F90X/N90s, F70-Series/N70 or F4-
Series camera and the SB-26 as a master flash unit, this is
not necessary because the shutter speed is automatically
switched.)
- When using the F5, F90-Series/N90 or F70-Series/N70
cameras, note the following:
with the SB-26 as a master flash unit set at TTL auto
flash mode, Monitor Pre flashes will be automatically cancelled
when the multiple flash selector set at "D" or "S".
With the SB-25 as a master flash unit set at TTL auto
flash mode, avoid Monitor Pre flashes by upward tilting or
rotating the flash head. If you should not do so, Monitor
Pre flashes will cause the slave flash unit to fire before
shutter release.
- With the Wireless Slave Flash selector set at "D" or "S",
the STBY position does not automatically turn off the
SB-26.
- For rear-curtain sync, set the Wireless Slave Flash selector
on master and slave flash units to "S".
- In "delay" mode, rear-curtain sync is not recommended.
Controlling lighting ratio
- When the master flash unit is set at TTL auto or non-TTL
auto flash mode, you can vary the light output amount of
the master flash unit by changing lens aperture (and aperture
value set on the master flash unit).
- To vary the light output amount of the slave flash unit when it is set at non-TTL auto flash mode, change the aperture value set on the slave flash unit. Set one-step smaller value to reduce amount of light output to 1/2; set one-step larger value to double the amount of light output.
- When the flash unit is set at manual flash mode, vary light
output amount as desired. (Manual light output adjustment
is possible with the SB-26, SB-25 and SB-24.)
For 1:1 lighting ratio
- With a slave flash unit set at non-TTL auto flash
mode: For 1:1 lighting ratio, read the aperture value
on the master flash unit (same as the aperture set on
the lens), set it on the slave flash unit’s LCD panel
then locate the slave flash unit within the flash
shooting distance range indicated on the LCD panel.
- With a slave flash unit set at manual flash mode:
Set any light output amount on the slave flash unit.
For 1:1 lighting ratio, read the aperture value on the
master flash unit (same as the aperture set on the
lens), set it on the slave flash unit’s LCD panel then
locate the slave flash unit at the flash shooting distance
indicated on the LCD panel.
(Text is from the Nikon SB-26 manual)
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