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01-13-2010, 11:44 PM   #1
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is it safe to use National PE-247S flash on K20D

Have anyone used National PE-247S on K20D? It is old flash used for flim SLR. No sure it is fine to use it on K20D.

01-14-2010, 02:43 AM   #2
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You should check the flash trigger voltage.
I'm not sure (and don't know) what is the maximum value for the K20D (you should ask PENATX service to have a qualified answer).

I read in one of the threads - Which trigger voltage have you verified to work? here (by Class A member) the following:
According to this thread (sorry, in German) "Wieviel Spannung verträgt die K10D?" Pentax confirmed multiple times a maximum flash trigger voltage of 30V for Pentax DSLRs.

To be at the safe side - 6v (and less) considered safe.
Yaniv
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