A sensor is the digital camera's equivalent to film. It contains millions of tiny light-detecting areas called photosites, which convert light into an electric charge. After exposing the sensor to light, this charge is read from each pixel and converted into a digital image.
In this answer, @jrista states that even a camera with a perfect, noiseless sensor would still have noise due to "Poisson noise" aka "Photon Shot Noise" - noise caused by the random variations of ...
I'm planning on converting a Nikon D50 to dedicated infrared, replacing the internal IR cut filter with one that will block visible light, and pass infrared. Google has turned up a couple sites, and ...
After selling my 1Dmk2 last year the time has come to get myself a new body, all along I'd decided that I wanted to do more "wow" pictures, big landscapes and do some more portait photography (up ...
As I understand every DSLR has a separate, smaller sensor that handles phase detection focusing. Where is it located? If this location is different for every DSLR, and therefore this broad question ...
HTC has branded the sensor in its new phone (the HTC One) to be "Ultra pixels". For the same sensor size it only gives you 4MP where today's standard for top of the line smartphones is 8MP and up. Of ...
Is it a rule that long exposure will produce a larger size file compared to a shorter exposure? It seems logical, since you are writing more data to the memory card when you expose for more time. ...
What is the meaning of the term "cropped sensor"?
Possible Duplicate: What will happen to a camera if it is taken to an environment beyond its operating temperature? I have a canon t3i and I am curious to know just how much heat they can ...