cham Posted July 27, 2006 Share Posted July 27, 2006 I've google searched it and searched on these forums but i can't seem to find anyone else with my specific problem. I am using my st-e2 to fire a 580ex and the sensor on the 580ex is almost always pointed towards the camera. not that this matters because I'll use the FEL button and the flash will fire then any subsequent pictures is a bit hit and miss as to whether the flash will fire or not... sometimes the flash will fire 80% of the time... other times the flash will fire maybe 2% of the time. I should note i'm using the flash mainly indoors in a small room. i'm not changing the camera position i'm taking exactly the same photograph. I'm allowing the flash to recycle so I know it's not that. I thought it was something to do with the signal not hitting the flash, but when it stops firing i can go up to the flash and hold it right in front of the st-e2 and still nothing. The second problem i have, and i've never had this problem with the 580ex attached to the hotshoe, is that i have the exposure and flash etc set up... the flash (when it does) will fire and the flash level is perfect and exposure is how i want it... i could take a shot with exactly the same settings a few seconds apart (allowing it to recycle) and i can hear/see the flash go off like it's been set to maximum power, and as a result i get a burnt out image... Although some of the pictures that have come out like this looks very good, it's not great for when i'm trying to achieve something else. Any Ideas? The following pictures were taken seconds apart<div></div> Link to comment Share on other sites More sharing options...
PuppyDigs Posted July 27, 2006 Share Posted July 27, 2006 I assume you also cleaned the flash contacts? Every once in a while my Speedlites go nuts--fire full power for no apparent reason--they either weren't tightened down or the hotshot was funky. I have a ST-E2 and it will trigger my Speedlites 100% of the time indoors, even facing the opposite direction from the Speedlite sensor or behind the camera. The signal bounces off the walls and ceilings. So, if the ST-E2 is tight in the shoe, the hotshoe clean and ST-E2 battery fresh (I get 200-300 triggers outta mine), it's defective and needs repair. Sometimes the light’s all shining on me. Other times I can barely see. - Robert Hunter Link to comment Share on other sites More sharing options...
PuppyDigs Posted July 27, 2006 Share Posted July 27, 2006 Hey, I like the first image... Sometimes the light’s all shining on me. Other times I can barely see. - Robert Hunter Link to comment Share on other sites More sharing options...
cham Posted July 27, 2006 Author Share Posted July 27, 2006 I have to admit the st-e2 doesn't feel so secure on the hotshoe, I think the fact it just has the sliding locking pin doesn't help much I hoped it was me being stupid and that it would have to go for repair though doh! when it does work though its a godsend Link to comment Share on other sites More sharing options...
cham Posted July 27, 2006 Author Share Posted July 27, 2006 I think I found my answer on here http://www.photo.net/bboard/q-and-a-fetch-msg?msg_id=00CgSI the first picture is the lighting i'm going for although obviously when i actually do the shoot i'll have a proper backdrop/lighting balance/model etc lol Link to comment Share on other sites More sharing options...
charlesteton Posted July 28, 2006 Share Posted July 28, 2006 >> The second problem i have, and i've never had this problem with the 580ex attached to the hotshoe, is that i have the exposure and flash etc set up... the flash (when it does) will fire and the flash level is perfect and exposure is how i want it... i could take a shot with exactly the same settings a few seconds apart (allowing it to recycle) and i can hear/ see the flash go off like it's been set to maximum power, and as a result i get a burnt out image. >> I don't know if this will help you but I had kind of same problem which turned out to be me accidently clipping the FEL button. Check out this post: http://www.prophotohome.com/forum/showthread.php?t=65810 "Its definately a FEL button push that causes my very occassional rogue over or under exposured frame. I can't turn the portrait/vertical controls off, so I'll have to live with it..." Link to comment Share on other sites More sharing options...
cham Posted July 29, 2006 Author Share Posted July 29, 2006 it's not quite the same problem although someone did mention that it dumps the flash completely every now and again. I'm going to be testing it again tomorrow i think it's most likely to be a loose shoe, i've seen this problem a lot on other forums Link to comment Share on other sites More sharing options...
kelf_koo Posted June 7, 2007 Share Posted June 7, 2007 I have seen the second problem you described from time to time with my 420ex directly on my hotshoe. (or just a slave) I just got a 580ex, and I have seen it today as well. And I can hear/see the flash go off like it's been set to maximum power as well, also resulting in burnt out images... Anyone know why? Link to comment Share on other sites More sharing options...
cham Posted June 12, 2007 Author Share Posted June 12, 2007 i just squeezed the hot shoe down on the camera and it doesn't seem to have done it at all since i posted this... i think it's just a bad contact Link to comment Share on other sites More sharing options...
mark u Posted June 12, 2007 Share Posted June 12, 2007 Fixing the hotshoe: http://www.eosdoc.com/manuals?q=FixHotshoe Link to comment Share on other sites More sharing options...
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