Archived posting to the Leica Users Group, 2005/01/29
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Late Vivitar 283s are OK. I tested mine (mid-'90s, Chinese made) and it has
a low trigger voltage of under 10V. I have been using it with my R-D1 and
LC1 and there has been no problem.
I agree early 283s ('70s, Japanese made) had very high trigger voltage, in
excess of 200V if I recall correctly.
Joseph
on 30/1/05 12:46 pm, Stan Yoder at vze2myh5@verizon.net wrote:
> Be careful. A lot of digicams are meant to be used only with
> low-trigger-voltage flashes, typically
> <24v. That includes the SF20 and 24 and other relatively recent units.
> Older
> flashes like the
> Vivitars mentioned have trigger voltages upwards of 100v. They work OK with
> shutters that have
> mechanical sync contacts, but the newer cameras have electronic circuitry
> to
> fire the flash. I use a
> cheap Sunpak DS20 for fill-flash with my Panasonic LC-1 (aka Digilux-2).
>
> Check your R-D1's instructions.
>
> Stan Yoder
> Pittsburgh
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