sensor pixels which appear brighter than surrounding pixels
21
votes
9answers
3k views
How do I remove dead pixels from a digital photo?
I have a Nikon D90 and until recently it has been working just perfectly. While viewing a set of photos I had taken I'm starting to find these little nasty dead pixels:
They only show up when ...
11
votes
2answers
1k views
Should I be concerned about sensor heat and the development of hot pixels?
Since I shoot a lot of pictures in Live View mode and from time to time I do some short movies, I've developed a paranoid sensation that I'm going to burn the sensor.
I'm aware that live view mode ...
9
votes
1answer
255 views
Are hot pixels just one pixel?
I have been taking a few astro photos on a very high ISO, and have found what I think to be a few hot pixel. I though at first that I had managed to get a few very sharp pic of some red and blue ...
7
votes
3answers
740 views
Does long exposure cause hot pixels in photos?
Today, I was taking some shots of night sky. For each, I had 20 sec exposure. During picture review, I found a red dot which is referred as "Hot Pixel" according to some people on the Internet. ...
7
votes
1answer
277 views
Are there bad effects of frequent pixel-mapping?
I read on two different sites that pixel mapping should be done once or twice a year. But sometimes I end up doing it once a month. Will it have adverse effect on the CMOS image sensor?
6
votes
5answers
3k views
Why is my camera showing a lot of stuck red and white pixels?
After shooting for one hour with my Rebelt2i + Tamron 17-55 f2.8, I went back home and checked pictures on my computer.
For every single picture, there are a lot of 'dead' pixels at the same ...
6
votes
2answers
504 views
Olympus OM-D developing hot/dead pixels within two weeks of purchase
I recently bought an Olympus OM-D on holiday and took around 2000 photographs in the 2 week period on holiday. On day 12 it developed some white/pink pixels on the sensor.
I've emailed Olympus ...
4
votes
1answer
247 views
Why don't we get hot pixels when using live view?
Why don't we get hot pixels while using live view mode, but do get then on a long exposure? I read somewhere that they appear due to the sensor being activated for too much time, but then, live view ...
4
votes
3answers
524 views
How common are hot pixels on new cameras?
How common are hot pixels on new cameras?!
I read that people may check up to 5 cameras at stores to actually find a perfect one, is this true? so how commons is this? what is the chance of getting a ...
3
votes
4answers
275 views
How to get rid of dust or hot pixels
Sometimes shooting a long exposure results in hot pixels and some times dust on lens becomes apparent if shooting with very small aperture.
Despite having all good qualities the photo looks ugly due ...
3
votes
0answers
338 views
Why do I have a red dot in every photo? [duplicate]
Possible Duplicate:
Why is my camera showing a lot of stuck red and white pixels?
Every picture that I took today have a red dot on the same place in every photo. It looks like a monitor ...
