Quote:
Originally Posted by PrimeTime
I think what they are talking about are the slider's on the levels tool. The left slider is for the black's and the right slider is for the white's. There is also a slider in the middle for the midrange tones. The two sliders on the ends should be slid up close to the edge of the histogram on both sides, without clipping. You can do the same thing with the curves tool, just move the end dot of the line close to the edge of the histogram on both ends. If you change the graph to logorhythem, you can see the ends better.
What that does is resets your histogram and spreads it back out across the 5 full stops of range.
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Yep - Effectivley increasing contrast. Its like photoshop evolution, fist there was brightness and contrast, then there were levels which were trumped by curves.
Although getting the end sliders in the right place is important the middle slider also need to be adjusted correctly and that isn't as simple.