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This tag is used for exposure levels and the "levels" tool in photo processing software. Don't use it for the horizon-alignment device.

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1
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2answers
94 views

Levels adjustment layer in Photoshop: why are the main sections called “input levels” and “output levels”?

When we use the levels adjustment layer we can see in the settings two main sliders: the first, with a histrogram, is called "input levels" (even if is not written), the second is called "output ...
2
votes
1answer
470 views

Is Lightroom Auto Tone very dodgy?

I don't know if it is just my taste, or is lightroom's auto levels like rolling a dice? Sometimes is makes subtle adjustments that do improve the visibility of highs and lows, but 50% of the time is ...
3
votes
2answers
436 views

How can you limit the output of black and whites in Lightroom?

There is a successful photographer I follow and people love the effect they add to their photos. I've been editing photos for a long time and I know the trick they're using. However, I can't reproduce ...
9
votes
2answers
351 views

How levels and curves tools are related?

I started to use levels and curves tools quite recently and now I mostly use the second one. Mostly this is due to the fact that I understand the underlied mathematics of curves better than levels. My ...
6
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2answers
136 views

How do objects in the dark come up when post processing?

I took one shot of oil lamps. Partial metering mode was used and I focused on the bright yellow light, as expected the image was captured with only the light and its immediate surroundings visible. ...
5
votes
4answers
4k views

Can I batch process Nikon RAW (.nef) files to make them look like the camera's jpg compression?

I normally shoot my D80 in JPG mode, because I like the way the JPGs end up looking, and I have had a hard time manually processing the .nef files to look as nice to my eye. Sometimes the image ...
3
votes
2answers
214 views

What is the difference between an exposure slider and a levels slider?

One of the first things many postprocessing tutorials teach is to adjust the levels in a raster image editor, so the histogram uses the whole possible range. In my RAW editor (Darktable), there wasn't ...
22
votes
5answers
863 views

Is there any noise difference between averaged and long exposure photos?

Let's suppose I'm on a tripod, photographing a perfectly still scene (also dark) and I take these photos: 5 photos at ISO 3200 and 1s exposure 1 photo at ISO 100 and 5s exposure There is a common ...
13
votes
4answers
272 views

Why do cameras often produce digital images that benefit from levels adjustment?

See: http://www.cambridgeincolour.com/tutorials/levels.htm In the examples on that page, the original image doesn't have any pure white or pure black in it, so contrast can be added by changing the ...
9
votes
2answers
174 views

Preserving texture in shadows with levels/curves

I have the following image, and I would like to preserve a little bit of texture in the shadows. As you can see (hopefully), the darkest parts of the image have gone to a solid black. There is some ...