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I change lenses this morning and now all my photos are having this mark on the bottom left corner. Is this dust on sensor ? How do I get rid of it? I have tried different lenses with the same results.
Thanks

Dust on the sensor.. But looks more like mud,,

MATT

You need something like a Giotto blower.

Remove the lens, set the camera into its sensor cleaning mode (MLU or whatever), hold the camera above your head with the lens mount facing down, and direct some air towards the sensor.

thanks, I set the camera to BULB and I can see something on it. I will have to get a blower tomorrow.

wow, umm... I'd recommend you stop sneezing when changing lenses

you might need one of these...

http://www.makita.com.au/product.asp?ContentID=hm1810

but the rocket blower gary suggests works for me.

Can't use that tool on your camera. No one has enough hands to hold it all. Great find!!!!!