James, I would be interested to see the article. What magazine is it?
thanks Godfrey On Mar 31, 2008, at 4:01 AM, jim wrote: > There was a discussion a while ago about flash trigger voltages and > a list somewhere on the net of what they are. > I have come across a very interesting article in a local > electronics mag about this very subject. > What they have discovered is, it is very difficult to get an > accurate measurement of the voltage. > Basically any Digital Multi Meter will load down the trigger > voltage and depending on the DMM, the more or less loaded down it is. > Analogue Multi meters are worse. > Even a Digital scope with a 50Mohm probe loads down the trigger > voltage. > So the list on the net will be out anywhere from 5% to 500%, so > beware. > The mag article uses Kirchoff's law to get the real flash trigger > voltage. Rather complex math beyond my skill level. -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
