Wierd Smudge-Sensor or Lens, FAST

OK, I don't see how Scotch Tape can be good for a thin piece of glass that has a coating on it. I just can't picture it.

Emenresu wrote in post #2213149
Use scotch tape it works good.

I've seen results of this before and it can be quite a disaster ... not advisable at all.

canonloader wrote in post #2213708
OK, I don't see how Scotch Tape can be good for a thin piece of glass that has a coating on it. I just can't picture it.

The coating comes off and it's clean?

Kill the troll!

I think at this point some alcohol and a cotton swab can't make it any worse than it already is.

But I'm not too sure. What kind of dirt is on the sensor?

Do NOT use scotch tape!!
In theory it can work well but it can also go wrong -it's just way to risky.

There is one houshold cleaner that can be used for sensor cleaning -i've used normal windex many times on sensors and it works very well.Canon reputedly use a mix of windex and alcohol to clean sensors.
But while i'm happy to recommend windex,i'm rather reluctant to say you should jump in and try cleaning a sensor if you have no experience at it.Definitely check out some how-to websites to find out how it's done first.
For such wide ranging mark you will most likely need to use the copperhill method,including the appropriate tools

Alright guys. Heres what happened. I did use canned air about 2 weeks ago. It left a residue on the censor. I didnt notice untill after I got home froma snowboarding shot(great, pics ruined). I thougfht it was my lens, so I just cleaned my lens and started shooting again yesterday, but it was still there I went out and bought a cesnor cleaning kit, and I was able to clean the censor. Lucily, my censor is not ruined. This should be an example of why NOT to use Canned Air. Thanks for everyone help, squick repsones are always great here at POTN, and thats why I intend to stay at these forums.

"Canned air" is NOT AIR. It is a very nasty solvent that, if accidentally sprayed in liquid form (droplets) into your camera's innards, can permanently damage many of the parts in there.

To blow dust and debris out of a camera's mirror box, the only thing that should be used is a hand-powered blower such as Giotto's Rocket Blower. NEVER use "canned air".

Even using air from most air compressors can be dangerous, for many reasons. Most compressors do not have sufficient (if any) air filters or enough control of the flow of air to make them safe to use on very delicate things like the items in the mirror box of SLR cameras. Many compressors actually have oil mist in the air stream (either intentionally or because they use oil to lubricate the compressor), and that would be extremely bad for a camera.

arthurgoh wrote in post #2213101
Anyone with theories how a sensor can get this dirty? Notice that the specks are all over, even around the edges...short of blowing a vacuum cleaner in reverse!

Someone tried cleaning it like a window. Seriously, eiher spring for Copperhill or Eclipse stuff. Wet cleaning with something that doesn't leave a residue is about the only way to remove residue from moisture on a sensor.