Nikon SB27 Instruction Manual - Page 73

Using an external power source

Page 73 highlights

Using an external power source Nikon DC Unit SD-7 or SD-8/8A can be used as an optional external power source supplying long and stable power, increasing the number of flash firings, and providing faster recycling time. To use a DC Unit, connect its power cord to the SB-27's external power source terminal. -Even when powered with a DC Unit, the SB-27 still requires batteries inside the flash unit. Do not remove the batteries. Available external power source (optional) See page 78. Batteries External power C-type alkalinesource SD-7 manganese (x 6) External power AA-type alkaline- source manganese (x 6) SD-8/8A** AA-type NiCd (x 6) Min. recycling time* (approx.) 2.5 sec. No. of flash/ recycling time (approx.) 500 times/2.5-30 sec. 2.5 sec. 350 times/2.5-30 sec. 1.8 sec. 150 times/1.8-30 sec. *Data measured with fresh batteries. **Install the same type of batteries in the SB-27 and SD-8/SD-8A. Use only Nikon-approved external power source units. Using external power sources other than those specified by Nikon may cause unexpected damage to the Speedlight. 

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73
Using an external power source
Nikon DC Unit SD-7 or SD-8/8A can be used as an optional
external power source supplying long and stable power,
increasing the number of flash firings, and providing faster
recycling time. To use a DC Unit, connect its power cord to
the SB-27's external power source terminal.
—Even when powered with a DC Unit, the SB-27 still requires batteries
inside the flash unit. Do not remove the batteries.
Available external power source
(optional) See page 78.
Batteries
Min. recycling
No. of flash/ recycling
time* (approx.)
time (approx.)
External power
C-type alkaline-
2.5 sec.
500 times/2.5–30 sec.
source SD-7
manganese (x 6)
External power
AA-type alkaline-
2.5 sec.
350 times/2.5–30 sec.
source
manganese (x 6)
SD-8/8A**
AA-type NiCd
1.8 sec.
150 times/1.8–30 sec.
(x 6)
*Data measured with fresh batteries.
**Install the same type of batteries in the SB-27 and SD-8/SD-8A.
Use only Nikon-approved external power source units.
Using external power sources other than those specified by
Nikon may cause unexpected damage to the Speedlight.