imagesofhim Hatchling 2 posts Joined Dec 2009 More info | Dec 27, 2009 07:44 | #1 I know this is probably such a "newbie" (stupid) question, but... it's one I need an answer to...
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tzalman Fatal attraction.  13,497 posts Likes: 213 Joined Apr 2005 Location: Gesher Haziv, Israel More info | Dec 27, 2009 08:01 | #2 AV + flash is "fill light" , Av determines primary exposure and flash is added on. Warning: be sure that the Av mode without flash is not setting a shutter speed faster than the camera's sync speed because when the flash is activated the shutter speed will be automatically reduced to the sync speed and the shot will be overexposed. To get the speed down to a safe level close down aperture or reduce ISO. Elie / אלי
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JeffreyG "my bits and pieces are all hard"  More info | Dec 27, 2009 08:08 | #3 imagesofhim wrote in post #9269542  I know this is probably such a "newbie" (stupid) question, but... it's one I need an answer to... How do you make the flash fire for fill light in daylight? I have an xti and a 420ex... I don't shoot it automatic mode, usually "M" or "AV". Please forgive the ignorance, but I'm trying desperately to learn the "little" things. Blessings, Marjohn You pick settings in M mode that have a shutter speed at or below the synch speed of the camera (1/250 or so) and which properly expose for ambient light. Then turn the flash on. That's it. My personal stuff:http://www.flickr.com/photos/jngirbach/sets/
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Sorarse Goldmember  2,193 posts Likes: 25 Joined Jan 2008 Location: Kent, UK More info | Dec 27, 2009 16:22 | #4 JeffreyG wrote in post #9269607 You pick settings in M mode that have a shutter speed at or below the synch speed of the camera (1/250 or so) and which properly expose for ambient light. Then turn the flash on. That's it. Will the sync speed be as high as 1/250 on an XTi? It isn't that high on my Canon. At the beginning of time there was absolutely nothing. And then it exploded! Terry Pratchett
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tzalman Fatal attraction. 13,497 posts Likes: 213 Joined Apr 2005 Location: Gesher Haziv, Israel More info | Dec 27, 2009 16:27 | #5 200 on the XT, 250 on the 40D. Elie / אלי
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WillMass Senior Member  834 posts Best ofs: 1 Likes: 6767 Joined Jan 2008 Location: Behind a lens somewhere More info | Some time ago someone posted a link, to an article about this, on these boards. The site escapes me now, but the premise of the article was to, (as others have suggested) set up your camera to expose properly for the existing conditions. Then dial in anywhere from -1/3 to -1 1/3 stops of flash compensation to get a more natural look. Just experiment a little, it's not like you're going to waste film. You can only fish for so long before you gotta throw a stick of dynamite in the water.
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JeffreyG "my bits and pieces are all hard" More info | Dec 27, 2009 19:20 | #7 tzalman wrote in post #9271863 200 on the XT, 250 on the 40D. I don't understand why there is any sync speed on the G2. It doesn't have a focal plane shutter. Synch speed on a shutterless camera is typically equal to the duration of a 1:1 flash pulse (plus a little margin). I'd expect 1/500. My personal stuff:http://www.flickr.com/photos/jngirbach/sets/
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PMCphotography Goldmember  1,775 posts Joined Sep 2009 Location: Tasmania, Australia. More info | Dec 28, 2009 01:48 | #8 tzalman wrote in post #9269586 AV + flash is "fill light" , Av determines primary exposure and flash is added on. Warning: be sure that the Av mode without flash is not setting a shutter speed faster than the camera's sync speed because when the flash is activated the shutter speed will be automatically reduced to the sync speed and the shot will be overexposed. To get the speed down to a safe level close down aperture or reduce ISO. You can always use Tv mode at or below the sync speed- that will help with your shots not being overexposed at too wide an aperture. Twitter
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