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1

The circles (water spots) are twofold: Film emulsions are made using gelatin as the binder to hold the light-sensitive salts of silver and the organic dyes in place. When placed in the developer, which is mainly water, the gelatin swells much like a dry sponge dunked into water. This swelling opens up the structure so the processing fluids can freely enter ...


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There's some very good advice here. My I add something? Sometimes it's the monitor. What monitor are you using? Few monitors are color accurate. You may want to visit a print shop and ask what monitors they are using if you are not able to sort this out with the basic calibration procedures.


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White balancing means making the neutral color of the scene (like a grey card) have a particular color temperature and tint in the output picture — to simulate color adaptation of human vision to the conditions of lighting in the scene. If we take a hyperspectral photo of a grey card in a room lit by incandescent light bulbs, spectral radiance of the ...


3

There are two things probably going on here... The first is a metering issue...Cameras are smart, but they're not people. The meters assume a scene that is middle of the road, not super contrasty. So, if you hold a perfectly white board up in front of your camera and take a photo, then you'll get a photo of a grey card. Likewise, if you hold a perfectly ...


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