What could it be?


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#1
If you see the pic there is a line that appears(in the circle) sometimes it appears and sometime it does not. The lens that i'm using is ef70-300mm IS. Kindy advise.

 

bahibo

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Aug 6, 2006
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#2
i guess dust , it appear when u shoot at small apperture like 8,16,22 and at bright background.
 

cai1983

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Nov 9, 2007
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#3
eh, maybe something on ur sensor?
try taking some photos against a bright background and look at the same spot.
if it's there, try cleaning the sensor. i usually use a blower to get dust off my sensor.
hope this helps.
 

#4
If you see the pic there is a line that appears(in the circle) sometimes it appears and sometime it does not. The lens that i'm using is ef70-300mm IS. Kindy advise.

Just some loose speck that has landed on your sensor surface. Nothing a little blowing with a rubber air puffer can't relocate it...hopefully away to some other part of the camera chamber or out of it altogether. Lock your camera mirror up so you have access with no obstruction leading to the image sensor. Break open your camera by removing your lens. position the lens coupling opening towards the ground and use your rubber air puffer to blow about the interior of the camera. Put your lens back on and shot off a shot at a white wall or background or a white out sky and then load it on your PC and zoom in to see if you can still see it there or not. If it is still there but have move to another part of the image...well...repeat all the above until you don't see it anymore...tile the next time it pops out again.
 

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