Headcase650 Goldmember  1,632 posts Joined Jun 2004 More info | Oct 30, 2004 16:07 | #1 I have had this flash for about 6 months and have only used it in ETTL mode. Today I was out with my daughter taking some pics for fun. She was in the shadow with bright backinghting. I wanted a shallow depth of field so I set apiture to 2.8 and set the flash to 1/16 in manual mode for fill flash, when I tried to set the shutter speed it wouldnt let me set it faster than 1/200th. Am I doing something wrong? 60D, Canon 18-135 IS, Sigma 10-20 hsm, 24-70 2.8 hsm, 70-200 2.8 hsm, 430EX II, and all the other stuff that goes along with it.
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Oct 30, 2004 17:00 | #2 I think I figured it out, ETTL for shutter speeds up to and including 1/200. ETTL with High Speed Sync for anything above 1/200th of a second.Can someone reassure me that Im correct? 60D, Canon 18-135 IS, Sigma 10-20 hsm, 24-70 2.8 hsm, 70-200 2.8 hsm, 430EX II, and all the other stuff that goes along with it.
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Hellashot Goldmember 4,617 posts Likes: 2 Joined Sep 2004 Location: USA More info | Oct 30, 2004 17:30 | #3  Permanent banI believe the Drebel cannot do a high speed sync faster than 1/200th. And they only improved that to 1/250th in the D20. 5D, Drebel, EOS-3, K1000
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scottbergerphoto Cream of the Crop  5,429 posts Likes: 1 Joined Jun 2003 Location: Brooklyn, NY, USA More info | Oct 30, 2004 17:39 | #4 The maximum sync speed for the camera is 1/200 sec. Any faster then that and the shutter will not be completely open and only a part of the image will get flash exposure. To use a faster shutter speed, you need to use high speed sync, which causes your flash to fire lower power pulses of light. This has the effect of the flash rather then the shutter controlling the exposure time, so it can't be used for fast moving objects. One World, One Voice Against Terror,
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RichardtheSane Goldmember  3,011 posts Likes: 3 Joined Jun 2003 Location: Nottingham UK More info | Oct 31, 2004 02:47 | #5 Hellashot wrote: I believe the Drebel cannot do a high speed sync faster than 1/200th. And they only improved that to 1/250th in the D20. High speed sync is for speeds faster than the maximum sync speed to 1/200th on the rebel. Headcase650 wrote: I think I figured it out, ETTL for shutter speeds up to and including 1/200. ETTL with High Speed Sync for anything above 1/200th of a second.Can someone reassure me that Im correct Pretty much correct there If in doubt, I shut up...
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