Spring 2012

Spring 2012
by ani

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20

The tint slider takes care of a couple things. First off, from a color perception standpoint, there are two major axes that the cones of our eyes base color perception on: blue/yellow and magenta/green. There are some specific nuances related to these axes, however the most important is that they represent opposite colors that the human eye can not see ...


11

They are independent, the temperature slider affects the color temperature, which is effectively blue-yellow, while the tint affects the green-magenta axis. In Adobe Camera Raw, the temperature slider is before the tint slider, probably for a reason, so I think the best strategy is to adjust them top to bottom, and this is the advice given in many books on ...


10

Hello and welcome to the forums! This is caused by the difference in white balance between your ambient light and the television. I am assuming you are filming indoors with tungsten lighting, which means the white balance of your light is at a yellower point than that of your television. Your camera will automatically adjust to match the white balance of ...


7

Personally, I prefer to adjust temperature first, and then tint. It is just much easier for me to adjust warm-cold (yellow-blue) balance, then get the right magenta-green. So my tint adjustemnts tend to be smaller, and I often look for just particular “known” color like skin tone. I believe there are some reasons to do temperature first: human eye is very ...


6

XP2 film is C41 processed. However, from what I remember from back when I worked in a D&P lab, it can be printed through either the colour or B&W printing processes. Only B&W will give a completely colourless finish - colour prints from it usually have a sepia tone to them.


5

The basic problem with taking photos underwater is that the water absorbs quite a bit of light. It absorbs red more than it absorbs blue. As you can see in this wikipedia article on Electromagnetic Absorption by Water, there's about 100x more absorption of red/orange light (per metre of water) than blue/purple light. I'm not sure that simple white balance ...


4

For normal lighting, yes. For bizzare or novel light, no. "Normal" means sunlight or incandescent lighting, or other lights that try to immitate that (since it's what our eyes work with). Poor "color rendering index" lamps will be lacking but that's how it looked in person too! For odd colored lights, you need more data points to know just what is ...


4

Another approach for still photography, if the ambient lighting is out of your control, is to shoot the scene in RAW, produce two copies with white balance corrected for the TV and ambient light respectively, then comp them together in Photoshop using layer masks. (The rectangular TV screen makes for a really easy masking job.) I have no idea if this can be ...


3

They affect each other, but it does not matter which one you move first, the result is always combined from those two settings. While the temperature is used in a creative way and may be almost artistic, the tint slider is mainly used to correct lighting imperfections in the image and is more of an "emergency image saver" than a creative tool (even though in ...


2

Grey charts are for accurate white balance. Accurate colour depends not just on the white balance, but also on the quality of the colour transform (colour profile) and its suitability for particular light in the scene. White balance is often a good start, but it does not solve it all, far from it. If you are not getting acceptable colour with just white ...


2

Walgreens probably just ran your B+W film thru the only process they have, which is most likely C41, then printed the result on color paper. If you care about the subtle differences between film and digital, it makes no sense to then process the film with a inappropriate process. That can result in arbitrary colors shifts, as you see, and most likely doesn'...


2

The settings doesn't actually affect each other directly, but if one is too much off in the wrong direction, it's hard to see what the other should be. Personally I find it much harder to adjust the tint, so for tricky images I first set the temperature to a setting where it's easiest to see tint changes, adjust the tint, and then set the temperature. For ...



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