Blue bits on photos

Legacy_user

My daughter has a Samsung phone and when she takes photos in dark, blue bits appear, what could be wrong?

RobTang

Nothing is (probably) wrong its just the nature of digital cameras.


Low light is generally a difficult situation to shoot photos, obviously there's less light so the camera has to up the sensitivity of the sensor this introduces "noise" on the end photo which can look like little artifacts or coloured dots, the camera us just over the physical limit about what its able to capture.


Its a situation where the quality of the camera starts to matter.

ARandomMiser

If it is little speckles of blue then it is likely to be low light noise filtering. If it is large areas of blue then there may be a problem

System

Sorry for half a story and thanks for swift replies. I was using on ipad in bed and couldn't achieve lifting pic. Anyway, this is a sample if it helps:-
http://s33.postimg.org/t5563hhnz/Capture.jpg

ARandomMiser

Hi islandman, that just looks like noise - assuming the photo was taken in the dark or with the lens covered.

System

ARandomMiser wrote: »

Hi islandman, that just looks like noise - assuming the photo was taken in the dark or with the lens covered.

I assume the dark, as an experiment. This is what she wrote:-
Samsung phone users.... For ages now when taking photos in dull/dark situations I get these blue marks. I've goggled and it seems its a Soft Ware problem, but doesn't give me a solution. Is there anything I can do to rectify it?

and I have just looked through some of her FB photos and those taken in daylight appear clear, but as you will see in dull light, they appear:-
http://s33.postimg.org/ge1vvcgxb/Capture_1.jpg

Norman_Castle

As the pattern of the marks is the same could it be from a damaged or dirty lens?

ARandomMiser

I would say that in the second photograph it looks like there may be a fault. I would not expect such a contrast using blue.

System

It is interesting what each of you say and I've copied pasted to her thus far, but not expecting reply just yet, due to time difference and location. However, there is bound to be the question "but what can I do about it?". I will of course tell her to ensure the lens is clear from debris, finger marks.

System

A response from my daughter after she read all your contributions:-

Nope its not the lens. Its a software fault. When you cover the lens and zoom in out they are still there.

maybe this will help diagnose?

Oblivion

Could it be an infestation of micro-organisms crawling around on the sensor I wonder.