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Old Jan 21, 2005, 11:39 AM   #1
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Hello all. I've had the 10D for over a year and am a graphics pro who is above average in the area of photography in general. Last year, after only having the camera a couple of months, I sent my partner to a trade show with our new baby. He's a point-and-shoot kind of guy and wouldn't really know how to adjust on the fly.

I think the camera was probably set on full auto with the 420EX. Personally, I have never had any luck with full auto. What's up with that? My old Olympus 1.2 MP cam takes great little shots. Anyway...

One problem is that the 420 flash may not have been turned on every time. Big problem right there. The shots were well exposed but very slow shutter and thus a lot of movement blurring. Numbes like 1/8 sec, f/4.0, ISO 400, 42mm, no flash. Trade shows are so well lit that I was still surprised at the slow shutter speeds.


Well, he's off to the same show this year in Vegas. 30 foot ceilings with trussing but well lit with those warehouse type lights (Home Depot?). I'm guessing to just use the built in flash, ISO 100-200, f/8-ish, AV mode.

OR

Manual mode at 1/60. Any thoughts on this? Thanks.
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Old Jan 21, 2005, 2:45 PM   #2
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Manual mode higher X- sync shutter speed and small aperture may be... So all the light comes from the flash and not from the ambient surrounding when the camera is trying to do a fill
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Old Jan 21, 2005, 3:00 PM   #3
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Thanks for the info. But you lost me on the "X- sync shutter speed". What exactly is that?
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Old Jan 21, 2005, 3:27 PM   #4
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You can go up to 1/200s instead of just 1/60s - beyond that you'll be in (high-speed sync) FP mode
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Old Jan 21, 2005, 3:48 PM   #5
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NHL,

For my own understanding: Are you saying Camera in Manual with shutter of 1/200 and largest aperture and flash still in ETTL mode? Or are you also suggesting putting the flash in manual mode?

Thanks,

John
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Old Jan 21, 2005, 5:27 PM   #6
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The flash is still on automatic E-TTL - Just the camera is on manual
-> This allows you to set both the shutter and the aperture...
plus I believe the metering is changed to centerweighted in manual minimizing the "AF prone" under/over exposure issue!
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Old Jan 21, 2005, 6:31 PM   #7
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When you guys are talking "automatic E-TTL" are you referring to the 420EX or the built-in flash? I'm still quite vague on some of those settings.

Another weak spot for me is metering. I have no clue what the best option is there either. Thanks.

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Old Jan 21, 2005, 10:26 PM   #8
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Alex Campuzano wrote:
Quote:
When you guys are talking "automatic E-TTL" are you referring to the 420EX or the built-in flash? I'm still quite vague on some of those settings.
Both!

They both can't be taken out from their automatic E-TTL mode!


-> Unless you have a 550EX, 580Ex, a Metz (or a Sigma) you can't put the flash on manual <PERIOD>. The 420EX (and the built-in) flashes are strictly automatic E-TTL (or E-TTL II depending on the body) only...
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