70
Specifications
Electronic construction
Automatic Insulated Gate Bipolar Transistor (IGBT) and
series circuitry
Battery
One 3V lithium battery (CR123A or DL123A)
Guide number (ISO 100, m/ft.)
16/52 at 28mm angle of coverage (without wide-flash
adapter)
10/33 at 17mm angle of coverage (with wide-flash
adapter in place)
Angle of coverage
Covers the picture angle of 28mm lens (without wide-flash
adapter)
Covers the picture angle of 17mm lens (with wide-flash
adapter in place)
Power switch
Three positions provided: OFF/ON/STBY
ON/STBY position: Power is turned on.
STBY position: the SB-30 automatically turns itself off to
conserve battery when flash unit is not used for approx.
40 sec.
Recycling times and number of flashes
Minimum recycling time: Approx. 4 sec. (when fired at
M1/1 output using a fresh battery)
No. of flashes: Approx. 250 times (when fired at M1/1
output using a fresh battery)
Mode selector dial
Four positions provided: TTL auto flash, Non-TTL auto
flash (4 steps), Manual flash (3 steps), Wireless slave
flash (A or M)
Ready-light
Lights up when SB-30 is recycled and ready to fire.
Blinks when flash fires at its maximum output, indicating
light may have been insufficient (in TTL auto flash, Non-
TTL auto flash modes) The ready-light inside the camera’s
viewfinder blinks when the camera settings are not
correct in TTL auto flash mode.
Standby resume button/Slave flash firing cancel button
Turns SB-30 on again after it enters standby state.
Prevents SB-30 from firing accidentally in slave flash
operation.
Flash duration
1/2800 sec. at M1/1 output
Dimensions (W x H x D)
Approx. 58.5 x 83.5 x 36 mm (2.3 x 3.3 x 1.4 in.)
Weight (without battery)
Approx. 92g (3.2 oz.)
All performance data and specifications are applicable when a
fresh battery is used at normal temperatures (20°C/68°F).
Specifications and design are subject to change without notice.
