AGFA 307 Owner's Manual page 59

Taking Picture in Wireless/Remote Flash Mode
1. Position your camera and 3500xi flash unit using the
information on this page. If you are using a flash unit other
than the 3500xi off camera, refer to the instruction manual for
that flash.
Camera Range
(See table below)
Maximum Operating Range
5m (16.4 ft.)
Aperture Camera-Subject Distance 3500 xi- Subject Distance
F 6.7 1.7 - 5.0 m / 5.6 -16.4 ft. 1.2 - 5.0 m / 4.0 - 16.4 ft.
F 8 1.4 - 5.0 m / 4.6 - 16.4 ft. 1.0 - 5.0 m / 3.3 - 16.4 ft.
F 9.5 1.2 - 5.0 m / 4.0 - 16.4 m 0.8 - 5.0 m / 2.6 - 16.4 ft.
F 11 1.0 - 5.0 m / 3.3 - 16.4 ft. 0.7 - 4.6 m / 2.3 -15.2 ft.
F 13 1.0 - 5.0 m / 3.3 -16.4 ft. 0.6 - 3.9 m / 2.0 - 12.8 ft.
F 16 1.0 - 5.0 m / 3.3 - 16.4 ft. 0.5 - 3.2 m / 1.6 - 10.5 ft.
2. Wait for both flashes to charge.
The accessory flash's AF illuminator will blink when the flash is
fully charged.
3. Press the flash mode button to test fire the accessory flash, and
wait again for both flashes to charge.
4. Press the shutter release all the way down to take the picture.
3500xi Range
(See table below)