Question about Vivitar 285HV Flash
I have a 285 for my NikonF2 n wpold like to know if it is compatable with a NikonD70s or can it harm it electrically? Thanks,Steven
I am working on a solution to address this very problem for a D70. Be VERY careful about using unverified information on suitable non genuine flashguns.
There is a lot of info if you care to Google search for trigger voltages for flashguns. There is one list that has some highly doubtful info as the persons measuring the voltage used the wrong type of meter.
Ideally a cathode ray oscilloscope with a minimum 10 megohm input impedance should be used to look for high voltage spikes.
If a digital multimeter with a 10 meghom input impedance was used you may get fairly close to the true trigger voltage but the DMM will not reveal any spikes.
Analogue multimeters should never be used as their input is too low and they WILL load the circuit giving an incorrect low voltage reading where you think you will be safe when you are NOT.
Posted on Sep 08, 2008
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