From this answer on white balancing a LED light I understood there's a thing called Colour Rendering Index (CRI). I understand it has something to do with how well lights reproduce the sun's colour ...
I occasionally take panoramic city photos and I've noticed that certain sections of the cities have a lot of different coloured lights. What causes these different lights? Some of these appear to be ...
This is a followup question to Why is the blue channel the noisiest?. The simple answer to that question is that sensors are less sensitive to blue, and therefore require more amplification, which ...