Flash unit

Flash control Flash control using pre-flash (P-TTL/ADI metering)
Wireless method Radio wireless method
Flash coverage 50 mm (24 mm when the built-in wide panel is used)
Continuous flash performance 40 flashes at 10 flashes per second (Normal flash, flash power level 1/32, 50 mm, rechargeable nickel-metal hydride batteries)
Operating temperature 0 °C to 40 °C (32 °F to 104 °F)
Storage temperature –20 °C to +60 °C (–4 °F to +140 °F)
Dimension (w/h/d) (Approx.) 65.1 mm × 83.5 mm × 91.4 mm (2 5/8 in. × 3 3/8 in. × 3 5/8 in.)
Mass (Approx.) 219 g (7.8 oz) (excluding the batteries)
Power requirements DC 3 V
Recommended batteries
  • Two AA-size alkaline batteries

  • Two AA-size rechargeable nickel-metal hydride batteries

Flash interval/number of flashes

The number of flashes indicates the approximate number of flashes available with new batteries before they wear out.

Flash interval/number of flashes With alkaline batteries With nickel-metal hydride batteries
Flash interval (sec) (*1) Approx. 0.1 - 6.4 Approx. 0.1 - 4.1
Number of flashes (times) (*2) Approx. 110 or more Approx. 130 or more

*1 Minimum duration of time before the TEST button lights after the previous flash (Acquired under our measurement conditions.)

*2 Number of flashes at the highest flash power level available in every 30 seconds (Acquired under our measurement conditions.)

Functions in this manual depend on testing conditions at our firm.

Design and specifications are subject to change without notice.