More likely a hot pixel.
Dust on the sensor will not have a distinct color. Just a dark/black smudge.
Post up a sample photo?
what is a hot pixel ah?
that's the picture.. hais..
This is not a proper link to embed an image. You are linking to entire page. There is a newbies guide explaining all details.[_IMG_]http://www.flickr.com/photos/50983828@N05/4687771367/[_/IMG_]
Hot pixel, as suspected by Dream Merchant.that's the picture.. hais..
Re-map your sensor.
You could try this yourself. I can't guarantee it would work, but some folks have reported that it did on certain bodies.
1) With a charged up battery, turn on 'Manual sensor cleaning' or whatever it's named in your camera's menu.
2) Switch ON.
Your mirror will raise and shutter will open.
3) Leave it open for at least 30 seconds.
4) Switch OFF camera.
Retest to see if the hot pixel is still there.
If it is, you might have to try it with the lens removed. Just be sure to have a body cap attached to your camera before proceeding.
All the best shad.