I have taken a few images of (Very) red objects recently, under both flash and natural light separately, and seem to be getting a subtle, but annoying blue sheen, which is not apparent to the eye. No ...
I was used to the ageratum effect with film cameras: as the red pigment on film is much more sensitive to IR than the humman eye, some flowers (such as the ageratum) appear pink in a photograph while ...
Imagine how photos with a bad blue filter look. I can recolor those pictures with the color filters from any image manipulation program like gimp. Now my question is: can I "grab" the right settings ...
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 ...
It is widely observed that the blue channel in digital cameras is the noisiest. I've certainly noticed that with my camera. Why is this? Is it an artifact of some particular technology (e.g. Bayer ...