Specifications; Flash Unit; Recommended Batteries - Sony HVL-F28RM Help Manual

Help Guide
Flash
HVL-F28RM

Specifications

Flash unit

Flash control
Wireless method
Flash coverage
Continuous flash
performance
Operating temperature
Storage temperature
Dimension (w/h/d)
(Approx.)
Mass (Approx.)
Power requirements
Recommended
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
Flash interval (sec) (*1)
Number of flashes (times) (*2)
*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.
Flash control using pre-flash (P-TTL/ADI metering)
Radio wireless method
50 mm (24 mm when the built-in wide panel is used)
40 flashes at 10 flashes per second (Normal flash, flash power level 1/32, 50 mm, rechargeable
nickel-metal hydride batteries)
0 °C to 40 °C (32 °F to 104 °F)
–20 °C to +60 °C (–4 °F to +140 °F)
65.1 mm × 83.5 mm × 91.4 mm (2 5/8 in. × 3 3/8 in. × 3 5/8 in.)
219 g (7.8 oz) (excluding the batteries)
DC 3 V
Two AA-size alkaline batteries
Two AA-size rechargeable nickel-metal hydride batteries
With alkaline batteries
Approx. 0.1 - 6.4
Approx. 110 or more
5-023-112-11(1) Copyright 2020 Sony Corporation
With nickel-metal hydride batteries
Approx. 0.1 - 4.1
Approx. 130 or more
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