Shadow on bottom of picture/Side of picture in studio

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henryhay11

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henry
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I recently purchased an Interfit EX150 mark 2 flash kit. I have set up a white sheet to use as a white background, But when i take a picture, there is a shadow at the bottom of the shot (when shooting landscape orientation) and then the shadow goes down the left hand side on portrait orientation. I have included a link to a shot i uploaded to flickr shot in landscape to use as an example. Im using a canon eos 1000d, 18-55mm lens, Im on shade white balance. Im sure i shot the attached image at 160th, F11, ISO 100.

Thanks for any help...

Heres the link seperate incase the image doesnt show properly on talkphotography:

http://www.flickr.com/photos/photographybyhh/8157634094/in/photostream


photostream
 
It's your shutter curtain appearing in the frame. Drop your shutter speed to something like 1/60th and it'll get rid of it. In the studio, the flash duration is your 'effective' shutter speed anyway.
 
thanks alot, I was origionally thinking that, but i thought id make sure that was the problem :)
 
Yes, it's a shadow of the shutter caused by the x-sync shutter speed being too high. Or more correctly, it's because whatever trigger you're using is very slow.

Canon 1000D should sync at 1/200sec cleanly with a fast sync connection, 1/160sec at worst, though 1/125sec should clear that. Might be due to flat batteries in the triggers.
 
Phil V said:
The other point worth making is that sync speed is camera dependent - rarely influenced by the lights.
Click to expand...
True for a wired system but today's radio triggers often induce a latency that nibbles away at the sync speed.
 
Canon Bob said:
True for a wired system but today's radio triggers often induce a latency that nibbles away at the sync speed.
Click to expand...
They do - particularly the cheap ones. But 'lights' don't have a sync speed (as posted)
 
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