I recently got a new 16-35L and was testing the lens when i found what looked to be a dead pixel. I thought it was something from the lens at first but it didnt look like it. Sure enough, when i swapped lenses, it was still there. It didnt look like dust on the sensor as well because it was way too sharp for that, usually dust renders as a blurred blob where this is a sharp white pixel. I searched up dead pixels and came upon this blog post:
http://www.tomguilmette.com/wp/my-blog/archives/2054
I then bumped my iso to 6400 and shot a 1/30 exposure at F8 with the came on. I then opened the full sized image in PS and FUK counted 14 dead pixels! I searched around and after doing the manual sensor clean function, it went down to 5 dead pixels. I was thinking of sending the camera in for warranty repair but after a few more searches, found that these things pop up all the time and even if i send it in for pixel remapping, it'll show up again over time. PS raw converter fixes it so in the end, it doesnt really affect image quality. But it's a bitch and nuisance to think that after $3000 on the body u'd get stupid little things like this. Anyone else test their cameras?
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