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Canon 10D / 550 flash problems.....
Old 06-20-2005, 09:50 AM   #1 (permalink)
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I am getting some weird results from my flash and camera. I use the 550 on a stroboframe so that I can use it hor/ver. I use the canon offshoe cord and was wondering if inserting this backwards could have sent some weird info to the flash or vice versa. If so is there a reset button anywhere to correct the problem. I've read the manual and cant find anything about it. What am I getting? Well I'm shooting a wedding on the (P) mode which I've done many times before, one image is over-exposed the next is under ...weird hit and miss stuff. Yes Ive checked and replaced the batteries.... Anyone ever encounter same problem?


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Re: Canon 10D / 550 flash problems.....
Old 06-20-2005, 04:08 PM   #2 (permalink)
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I'm trying to sell a 10D body right now...

Anyway,.... "P" mode will do that.. If you want consistancy, determine the ambiend with a light mneter,....don't rely on the LCD for anything related to exposure, set your camera to "M" mode (all manual exposure) and set your 550 to Manual flash, and select the power + or - settings from 1/1 to 1/128th power and all you have to do is keep your distance from your subject at the same distance as what it says on your flash..

Keep in mind that this will slow you down a bit, so practice, practice, practice...(shooting at a wedding where you are getting paid to be the phofessional photographer is NOT the time be to practicing anything).... Also, keep in mind, that at a wedding, you are the professional... you will be the one responsible for taking quality pictures.....everyone else with a point and shoot should not compare with what you produce.. Take your time, and do it right..

Also,... with the above camera settings the same,... I use "ETTL" almost never at no compensation.. I have mine set to + 1/2 power compensation for "general scenes".. meaning that there isn't any dominant whites, or blacks in the shot..which will cause an exposure shift.

Think B&W Zone System.. If you are photographing the bright white wedding cake laying on top of the white table cloth, on ETTL mode, I will compensate +1.5 to +2.0 stops with the flash output..(IF shooting manual, there is nothing to worry about as long as you watch how close you are to the subject..)..

The Bride in her white wedding dress... usually about + 1.5 stops of flash power..

The Groom in his black tux..I will knock that power down to about -1 of flash power on ETTL mode..

Some guest wearing red,... or blue.. or what ever, I will usually shoot that at +.5 on ETTL..

What you HAVE to do though is learn your equipment well. I use my family b-day parties and such forth as testing grounds for new techniques for me....and or getting some practice in with my flashes.. Once you get the hang of it, learn how to use bounce flash techniques..

I was thinking about switching over to the 580EX flashes, but I know my 550's so well now that I don't want to give them up quite yet..

Another thing,... shoot RAW if you aren't exactly sure if you are going to nail the exposure right on the head.....And, I'm not sure how you can reverse the off camera cord... the one that's made for the Canon system.. I have had like 6 of them over the years,.. I don't believe I have ever managed to reverse that at all..

Good Luck!


Shot last Saturday with my Stroboframe Quick Flip mounted 550EX Flash, Canon 20D, 3200iso, 1/8th second,f4.5, -128th power Manual Flash with the wide angle pannel pulled down on 17-35mm f2.8 L lens.. (My friends Colleen and J.P....Yep, another JP)


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