*Disclaimer: If you have any questions or concerns about the flash sync
voltage, use a Wein SafeSync or other method of reducing the trigger
voltage*
That said, I did a Google for this and these are two answers that came up:
Answer #1--*http://tinyurl.com/yjkav5v (scroll down to an entry by
wildlifephotog
*"Pentax is ISO 10330:2002 compliant. That sets a 25 volt standard on
the flash voltage."
Answer #2--http://photo.net/pentax-camera-forum/00VZKf?start=20
(scroll down to an entry by Peter Zack)
"I took a couple old flashes to my local authorized Pentax repair shop.
He's independent and services all brands. He emphatically said that with
Pentax DSLR's the flash trigger circuits in the body are electronic.
This is basically a computer
<http://photo.net/pentax-camera-forum/00VZKf?start=20#> after all. Old
camera bodies from the film era used mechanical contact points.
Those old bodies could handle just about anything. On new bodies, the
electrical circuits are designed for certain tolerances and may
withstand moderate high trigger voltages for a time but will burn up
after awhile. He said that the max trigger voltage should be 30 volts
and you should *never * use a flash with more than 20 volt trigger
voltage. Pentax flashes are all very low at around 4-6 volts."
BTW, for anyone thinking of studio lights, AlienBees reports the sync
voltage for their flash units is 6V.
-p
On 2/22/2010 11:54 AM, 27...@comcast.net wrote:
Has anyone done any testing on the amount of voltage from a flash that either
the K7 or the K20D can take.. I have some 120j Sunpak flashes that I would like
to use. I did use them with a Nikon D1 before and had no trouble..Thanks Joe
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