Pentax Response to Flash Selection for DS...? Hmmm?

Started Dec 20, 2004 | Discussions thread
Leo "Zoom" Senior Member • Posts: 1,639
Re: Pentax Response to Flash Selection for DS...? Hmmm?

Ancient You say? Some current Unomat models (B20, B24) still have 170V voltage...

rsjoberg wrote:

I think you'd have to be using some real ancient age stuff to run
into the flash trigger voltage problem. Back in the day cameras
used a physical metal contact switch inside the camera to fire the
flash. They were pretty robust, but could get burnt. A high
switching voltage flash could overcome a dirty switch for a longer
time, but then a technician would have to open up the camera and
clean or replace the contacts. Solid state switches started to
replace these 30 years ago and I doubt any high switching voltage
flashes have been produced for 25 years or more.

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