Nikon Autofocus Speedlight SB-27 Instruction Manual page 90

Specifications
Flash mode selector
Power source
External power source DC Unit SD-7: C-type alkaline-manganese (x 6)
(optional)
Number of flashes
and recycling time
Red-eye reduction
Rear-curtain sync flash
AF assist
illumination
90
• AUTO mode: TTL Auto Flash operation possible with
cameras in Groups I thru VI (Monitor Preflash is
available exclusively with cameras in Group I using a
Nikkor lens with built-in CPU). Non-TTL Auto Flash
operation possible with cameras in Groups I thru VII
when camera setting switch is set to ˚ (usable
apertures f/2.8, f/4, f/5.6, and f/8 at ISO 100.)
• M mode: Manual flash operation possible with
cameras in all groups. Light output amount variable
from 1/1(full), 1/2, 1/4, 1/8 to 1/16 output.
Four AA-type alkaline-manganese (1.5V), lithium
(1.5V), NiCd (rechargeable) (1.2V), or Ni-MH
(rechargeable) (1.2V) penlight batteries
DC Unit SD-8/8A: AA-type alkaline-manganese (x 6)
or AA-type NiCd batteries (x 6)
Batteries installed in the SB-27
Batteries Min. recycling
time (approx.)
AA-type alkaline
manganese
AA-type NiCd 3.5 sec. (using
Manual full output without use of AF assist illuminator
LED, and zoom operation.
Above data may vary according to battery brands or
performance.
A red-eye reduction lamp lights up for approx. 1 sec.
before the flash fires. (Setting is only possible on the
cameras in Group I (except F5) and Pronea 600i/6i)
Possible with cameras featuring rear-curtain flash
sync mode set on the camera.
Automatically lights up to emit LED beam toward
subject when performing autofocus in dim light or in
the dark with Nikon AF cameras.
No. of flash/recycling
5 sec. (using 140 times/5–30 sec.
fresh battery)
60 times/3.5–30
fresh battery)
time (approx.)
sec.