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Old Jul 20, 2006, 8:43 PM   #1
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I have a sunpac 383 but I am not sure it is working right with the camera. What is a good flash to use with the 20D that will reach out like the 383 but not dig too deep in my pocket.
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Old Jul 21, 2006, 12:36 AM   #2
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Best bang for the buck flash is the Sigma EF-500 DG Super...very comparable with the Canon 550EX, yet costs 1/3 less. The only reason why I upgraded to the Canon 580EX was I got a deal that was too good to pass up.
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Old Jul 21, 2006, 4:30 AM   #3
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After more research I see where some are using the 383 with the 20D. Anyone have any help on settings that I should try before I give up on the 383?
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Old Jul 21, 2006, 6:15 AM   #4
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RP33 wrote:
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After more research I see where some are using the 383 with the 20D. Anyone have any help on settings that I should try before I give up on the 383?
Have you set your camera on manual?
Set the shutter to 1/60s and the aperture to whatever the value the Sunpak 383 aperture selection is set to in the auto mode...
-> The flash will now set the correct exposure through it's built-in photocell rather than the camera :idea:

Ooops, don't forget to match the flash ISO to the camera!
BTW you can play with this ISO setting to do flash exposure compensation...
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Old Jul 21, 2006, 10:13 PM   #5
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You are saying to put the camera on manual and flash on auto and match the auto setting to shoot what distance I need then set f stop to match. Is that correct?

Is setting to shutter at 1/60 the fastest I can go for indoor sports or can I go up to 1/200? Or is that over kill with flash?

You help and experience is much appreciated.
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Old Jul 22, 2006, 7:21 AM   #6
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RP33 wrote:
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You are saying to put the camera on manual and flash on auto and match the auto setting to shoot what distance I need then set f stop to match. Is that correct?

Is setting to shutter at 1/60 the fastest I can go for indoor sports or can I go up to 1/200? Or is that over kill with flash?
Yes!

I believe you have three different aperture settings depending on how powerful you want the flash to reach - The distance ranges will be controlled by the flash own sensor when on auto.

1/60 is enough for most flash since the flash output pulse will be much faster than the shutter speed and will 'freeze' any subject movement by itself - you only need to increase the shutter to 1/200 to control the ambient light (i.e. get darker background for example)
-> The ambient light is what show up as blur for example when you do a fill on action shots
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