Canon 600EX User Manual
34
?: Stroboscopic Flash
In stroboscopic flash, to ensure that the shutter stays open until the end
of the continuous flashes, set the camera with a shutter speed
calculated with the following equation.
of the continuous flashes, set the camera with a shutter speed
calculated with the following equation.
Number of flashes ÷ flash frequency = shutter speed
For example, if the number of flashes is set to 10 (times) and flash
frequency to 5 (Hz), set the shutter speed to 2 sec. or longer.
For example, if the number of flashes is set to 10 (times) and flash
frequency to 5 (Hz), set the shutter speed to 2 sec. or longer.
Calculating the Shutter Speed
To avoid degrading and damaging the flash head due to overheating, do
not shoot repeatedly with stroboscopic flash more than 10 times. After
shooting 10 times, allow a rest time of at least 15 min.
not shoot repeatedly with stroboscopic flash more than 10 times. After
shooting 10 times, allow a rest time of at least 15 min.
If you shoot repeatedly more than 10 times, the safety function may
activate and restrict the flash firing. If this happens, allow a rest time of at
least 15 min.
activate and restrict the flash firing. If this happens, allow a rest time of at
least 15 min.
Stroboscopic flash is most effective when combining a highly reflective
subject with a dark background.
subject with a dark background.
Using a tripod, remote switch and external power source is
recommended.
recommended.
Stroboscopic flash is not possible with 1/1 power or 1/2 power flash.
Stroboscopic flash is also possible when the camera’s shooting mode is
set to “buLb”.
set to “buLb”.
When the number of flashes is displayed as “---”, flashes are fired
continuously until the shutter closes or the charge runs out. The
maximum number of continuous flashes is shown in the table on the
following page.
continuously until the shutter closes or the charge runs out. The
maximum number of continuous flashes is shown in the table on the
following page.
COP
Y