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Eos 30d flash compatability

NedC 10 8
26 Jan 2008 12:14PM
I have a flash gun that i used with my old eos 300. It doesn't work with the 30D and I'm struggling to find data on whether its the 30D thats not working or just not compatable. (The flash still works with the eos 300)

Anu suggestions. Thanks


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cambirder 13 7.2k England
26 Jan 2008 12:23PM
It is highly unlikely to be compatible, and could even damage the 30D.

What unit is it?
NedC 10 8
26 Jan 2008 12:47PM
Its a Sunpak power zoom 4000AF.

Thanks for the assistance.

Coleslaw 12 13.4k 28 Wales
26 Jan 2008 12:52PM
dont think it is compatible with canon 20D.
I bought a sunpak 2 years ago after reading all the good review, but unfortunately it wasn't compatible with my 20D.
strawman 13 22.1k 16 United Kingdom
26 Jan 2008 7:47PM
It needs to be an ETTL flash gun to work with the digital cameras. In canon terms that means it has an EX in its name.

On ETTL cameras the gun flashes a little bit of light just before the mirror lifts to measure the power required, and then sets the flash duration.

Fitting a non ETTL gun with either result in the gun being set to maximum, or firing all its energy at the mirror lift event.
whippetrider 14 465
27 Jan 2008 10:14AM

Quote:Its a Sunpak power zoom 4000AF.

Sorry, this will not work fully with the 30D as it is not ETTL capable. It will work OK without damaging the camera but in manual mode only. I had one of these with my EOS3 and 50E but sold it for a 550EX when I went digital.


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