Using non-TTL Flash Units
It is possible to use non-TTL flashguns with the FZ200. Most modern
flash guns have a low “trigger voltage”. This trigger voltage is the voltage
which appears at the base of the flash unit and connects with the internal
circuitry of the FZ200 camera.
Older flash units were designed for mechanical contacts on film cameras
so trigger voltage was not a problem. However with the miniaturisation of
the flash firing components within the camera the permissible voltage is
much lower.
I have not seen specifications for the allowable voltage of the trigger
circuits however I have used guns with 20 volts and have not
experienced any problems.
If you want to check the voltage of any of your older units there is a good
website which has details of many units.
http://dpanswers.com/roztr/volt_finder.php
These units will have to be used in full manual mode as they will not
“communicate” with the FZ200 exposure circuit.
Many of the flash units allow you to set an aperture/ISO value and the
unit will automatically expose for these values. Simply set them as per
your camera setting.
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