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12-31-2009, 11:47 PM   #16
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Join Date: Mar 2007
Location: Scio, Oregon
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Posts: 103
Flash concern

It has been covered already: Your A lenses will work in fully automatic exposure modes on all cameras you are considering. The non A lenses will work in manual (green button metering) mode. Image quality may vary but all will be awesome for internet or small print uses. (If you have good glass, poster size prints are easy!)

One question about your flashes: what are they? You never mention if they are Pentax flash units or not. You mention they are $5.00 at the local camera store which leads me to believe they are old Vivitar or the like. Good flashes but.......

What is the trigger voltage? Your old flashes may not be usable on any DSLR if the voltage is over the limit of around 6 volts. I have old flash units that are 250 volts that likely would fry my K10D or K7! You will either need to use optical or radio slaves to trigger, or a safe-sync connected to the camera if your flash units are over voltage.

Good luck and HAVE FUN!

01-03-2010, 11:20 AM   #17
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Join Date: Aug 2008
Location: Indianapolis
Posts: 69
Original Poster
My flashes are:

-Alfon 540 Thyristor/Bounce
-Sunpak auto 821 dedicated

I use the Alfon regularly and hardly ever use the sunpak because it lacks the swivel/directional feature.
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