My Camera doesn't work :(

Since the last iOS 4 update (4.2.2 or something) my Camera barely ever works. I open it up and all I see is the shutter. When it does work, I switch to the front one immediately because that one seems to work fine.

I though the iOS 5 update would fix the problem, but it hasn't. I even did a restore to be sure, and it still doesn't work.

Should I call Apple about it? Do you have any solutions?

Thanks.