Question about Canon SPEEDLITE 580EX TTL Flash
I am using 580EX TTL with my Canon 350D camera. My snaps are underexposed even when I shoot at a distance of 8 feet - 13 feet. The camera and flash setting in auto.
I have had two flash heads replaced under warranty for this exact reason, 1 for master slave not functioning.
things do wear out, buy extended warranties.
use all manual settings including exposure, flash, take raw images with same camera of same subject in same lighting conditions (indoors) and switch flashes between pictures submitting resulting images and notes re images and settings to repair to prove it is flash and not settings.
I just got a flash back for this situation and it is firing 2.5 stops brighter than the identical unit i bought at the exact same time. I needless to say i will be shipping another flash in for repair today.
I have three flashes 1 on camera 1 for back up - which i alternate weekend to weekend and 1 in rmaintenance (repair) / shipping.
I shoot 2 weddings a weekend (yesterday on my feet for 14 hours camera in hand) and have an engineering background -
Remember good batteries - paulsfinenst.com sells powerex 2700 - i have tested / experiemented with many and these are the only ones i have found so far that are consistent and are actuall 2600+...
Sometimes it is the flash...
Posted on Jun 02, 2008
Had the same problem with a 400d - only solution - buy a 30d
Posted on Jan 09, 2008
Single shot mode not servo/C modes
Focus sensor set for center
Make sure exp. comp is not set on -(minus) side.
Make sure your subject is locked on and not moving out of the autofocus (center) sensor.
Posted on Jan 03, 2008
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