THINGS TO CONSIDER
Reducing heat
In order to reduce heat then the exposure time should be shorter than a full exposure,
the more off time compared to on time will reduce heat (see On Off Ratio below)
Drive lamp brighter
Some lamps have an over drive function that allow the brightness to increase if it is
pulsed. The % of overdrive and On time need to be clearly understood and adhered to.
Shorter illumination time
If a very short exposure time is required then the lamp can be used to only illuminate
for shorter periods than the camera is capable of. The duration of the illumination is
then managed by the light and only started by the rising edge of strobe.
On Off Ratio
Many strobed lights have a defined on to off ratio e.g. if the ratio is 50:1 then the
cameras exposure has to be 50 time shorter than the frame time (1/fps)
Lamp only controlled by one camera
Do not connect multiple strobe outs together, if multiple cameras are required then
they should be sync’d and one of their strobes used for the lamp drive
Input voltage
The exposure out of the i-SPEED 7 series cameras is TTL compatible and should only be
used as a logic drive into the lamp. It should not be used to supply the lamp with drive
power.
Light seen by the sensor represents approximately 98% of strobe time
Light seen by the sensor represents approximately 40% of strobe time