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Old Oct 4, 2005, 8:46 PM   #1
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I will be shooting high school football for the first time in 6 years on Friday night. The equipment I have is very different and I am looking for suggestions on camera/flash settings.

Camera is a Canon 20D with a Canon 70-200mm f2.8 lens non-IS. Flash is a Sigma EF-500 DG Super. I prefer to shoot handheld due to the limitations of movement when using a monopod. I have complete freedom of movement on the sidelines/end zone and using a flash is OK within courteous limitations.

My thoughts are to shoot in shutter priority at 250 with the flash set on E-TTL. Either ISO 1600 or maybe 3200.

Any suggestions/ideas are appreciated irregardless of whether or not they agree with me.


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Old Oct 4, 2005, 9:47 PM   #2
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If you're within the flash range, you do not need to set the camera to 1/250s
-> the flash strobe is brief enough (even @ 1/60s) to freeze any movement more than any mechanical shutter could... Any action blurring resulting from a slow shutter speed is due to the ambient light and not the flash which is in the thousandth of a second or less which can freeze any movements!

The ISO setting is used to extend the flash range while the aperture is used to moderate the ambient light
o For example @ ISO-100 your flash GN is 50 (in m at the tele) which means you can shoot up to 12.5m @ f/4 (i.e. 50/4)
o If you increase the ISO to 400 the GN is now 100 which will increase the range to 25m @ the same f/4 (i.e. 100/4)

-> BTW you can observe the flash range in the rear LCD of the EF-500 DG Super (i.e. it will increase as you boost up the ISO).

Also the more you increase the ISO the more the ambient light will get into the way of your flashlight - which now will require you to use the higher shutter speed (you can also judge this phenomenon by the brightness of the background)! :?
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Old Oct 5, 2005, 2:00 PM   #3
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just a suggestion, but with the 70-200mm f/2.8 are you sure you will even need the flash. Most of the high school football fields around here are pretty well lit up. I think I would try a few test shots with out the flash also. this may come in handy if you need to take a rapid sequence of shots when your flash would not be able to re-charge fast enough.
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Old Oct 19, 2005, 10:57 PM   #4
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I don't even think the flash will do anything with the 70-200? I usually us my 80 ISO and my 400mm f4 IS L lens on my elan7e. I haven't done football since the I purchased my 20D.
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Old Oct 22, 2005, 1:39 AM   #5
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Shoot at ISO 800,set your aperture to f2.8 and keep it there. Do not use flash- don't even take it. Work on your hand-holding technique, smooth, evenpressing of shutter release and panning with your body to follow the action.
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Old Oct 22, 2005, 9:25 AM   #6
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Here is a shot I took at a football game last week:

Exposure time [s]: 1/80
Exposure program: Normal
Exposure mode: Auto
Exposure bias [EV]: 0.0
F-Number: F5.6
Focal length [mm]: 77
ISO value: 1600
Shutter speed [s]: 1/80
Aperture: F5.6
Flash: Not fired, compulsory flash mode, return light not detected
Metering mode: Multi-segment
White balance: Manual
Colour space: sRGB
Custom rendered: Normal
Subject program: Standard

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Old Oct 29, 2005, 1:57 PM   #7
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Shoot at ETTL ISO 1600 F3.2, Think one second ahead, not 2*
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