Ricoh GF-1 - Manual (Page 18)

EN - 
Specifications
Guide No.
20 (at 24 mm) - 30 (at 105 mm)
16 (at 24 mm, using the wide panel)
Illumination
Coverage
24 mm - 105 mm (18 mm with the wide panel)
Automatically linked to the focal length of the
lens as per the auto power zoom (only Type R
cameras)
Power Source
4 × AA batteries (sold separately)
Lithium batteries and rechargeable NiMH
batteries can be used. •
Battery Life
Approx. 200 flashes with alkaline batteries
(based on Ricoh’s measurements)
Energy Saving
Enters stand-by mode after about 2 minutes of
the camera entering stand-by mode or being
turned off.
Powers off automatically after 30 minutes in
stand-by mode.
In slave mode, powers off automatically after 60
minutes without operation.
Flash Interval
Approx. 4.7 seconds (with rechargeable Nickel-
hydrogen batteries)
Approx. 5 seconds (with alkaline batteries)
Flash Output
Adjustment
Pre-flash TTL, Ambient light automatic, Manual
flash
AF Auxiliary
Light
Built-in
Color
Temperature
5,600K
Flash Duration
1/250 second (full power flash)
1/250 - 1/20,000 second (TTL flash)
Slave Flash SLAVE1, SLAVE2 switching
Dimensions
(W×H×D)
65 mm × 95 mm × 80 mm (2.6Ч3.7Ч3.2 inch)
Weight Approx. 240 g (excluding batteries)
* The specifications of the equipment may change without prior notice.