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Metz 24AF-1 randomly fires full power or not at all.

Started Feb 19, 2014 | Discussions thread
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Metz 24AF-1 randomly fires full power or not at all.
Feb 19, 2014

I just bought a Metz 24AF-1 for Panasonic/Olympus from Amazon for my FZ200. It came today and I tried 39 test shots around the house, including a few macro with my Canon 250D close-up lens. Of the 39, 6 fired full power and 2 didn't fire. The EXIF data for all shots shows that the flash was used.

Of the 6 that fired full power and were overexposed, 4 were in manual mode and 2 were in aperture priority. Of the 2 that didn't fire and were greatly underexposed, 1 was in manual mode and 1 was in aperture priority. The one in aperture priority was underexposed by 4 EV and the one in manual mode was underexposed by about 8 EV. Of the 8 shots, a 2nd shot without changing any settings or the subject resulted in a correct exposure. Seven of the 8 misfires were shot in auto flash mode, but the last one, a non-fire, was in forced flash mode.

Three were also shot in program mode and all were fine. The final 10 shots were also fine, as were the first 5 shots. There's nothing special about the 8 bad flashes, so I'm stumped. Any ideas what could be the problem.

 needmoretoys's gear list:needmoretoys's gear list
Panasonic Lumix DMC-ZS7 Panasonic Lumix DMC-FZ200 Olympus XZ-2 iHS Canon EOS 100D Canon EF 200mm f/2.8L II USM +6 more
Panasonic Lumix DMC-FZ200
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