9 votes
Accepted

How many stops are there between middle gray and white point?

IntroBased on your questions, I get the impression that you miss one important point, and that is the difference between: light perception in the real world, light perception in the world as humans ...
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  • 839
6 votes

How can I change contrast within a single colour?

You could change contrast of individual channel by curves. I'm not sure if this is what you want though, because it will throw out the image color balance. Instead of changing contrast you can ...
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  • 5,115
5 votes
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What is the difference between Nikon NCP and NP2 picture control files?

Answering your questions directly: Nikon came out with a new version of Picture Control that has a new file extension associated to it(NP2). Some of the main benefits are: Finer adjustment of each ...
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5 votes
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Since Picture Profiles don't apply to RAW, why do they affect the viewfinder?

Picture Profiles do not affect RAW data itself. Except that the EVF and LCD do not show RAW data, they cannot, since that data needs to be interpolated in order to produce an image. They must show an ...
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  • 101k
4 votes

How to take Black and White photos without pure black?

If your camera supported custom tone curves, you'd be able to get a similar result to this straight out of camera. Unfortunately, yours doesn't, so your only option is post-processing. There are ...
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  • 13.2k
4 votes
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Is it overkill using Cinestyle with RAW photos?

For most (maybe all) manufacturers/cameras, the picture styles are not applied to raw images and so it just doesn't matter. It may (also dependent on camera/software/software version) change the way ...
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  • 941
4 votes

How to take Black and White photos without pure black?

Your best would be to find a PictureStyle that fits your needs. There's a QuickGuide to Picture Style Settings and Customization pdf that will get you started. It is from the Canon Digital Learning ...
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  • 8,334
4 votes
Accepted

Why does Photoshop Curves in 16 bit color depth still use tonal range 0 - 255?

16-bit is only used for internal calculations. What you actually see on your monitor is in 8-bit. Since an 8-bit monitor can only display 256 levels (0-255) and is unable to display the difference ...
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  • 168k
3 votes

Since Picture Profiles don't apply to RAW, why do they affect the viewfinder?

In Sony cameras Picture Profiles there's only one setting that affects RAW files - the GAMMA. Some Gamma values limit your minimum ISO (especially some gammas for video). But for stills for example a ...
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  • 31
3 votes

How do I evaluate a camera's JPEG tone curve options when the manufacturer only provides flowery prose?

Fujifilm released a blog series explaining what each film simulation does: https://fujifilm-x.com/us/x-stories/the-world-of-film-simulation-episode-1/ You will also find the following image about the ...
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  • 1,564
3 votes

How can I change contrast within a single colour?

selecting the "Adobe Standard" profile causes the contrast in the blues to be quite noticeably higher than the "Camera Standard" profile I suppose that you should shift blue primary towards magenta ...
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3 votes
Accepted

What is the difference between global tone mapping and curve?

The global tonemap module fills a different role than the generic tone curve. Since its purpose is to compress the wide dynamic range of an HDR or RAW file in a specific way based on theories of human ...
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2 votes

Since Picture Profiles don't apply to RAW, why do they affect the viewfinder?

PP is never applied to your RAWs, but will be applied to JPEGs (in RAW+JPEG, Fine, Std modes) and RAW previews (what you see while previewing in camera). Why it affects your viewfinder? The way I use ...
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  • 166
2 votes
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How can I mimic the color saturation of Nikon's miniature-faking mode?

There also appears to be either a color temperature shift towards amber/yellow as well as a white balance "correction" towards green, or a strong yellow color cast introduced by boosting the orange/...
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  • 168k
2 votes

Since Picture Profiles don't apply to RAW, why do they affect the viewfinder?

This is a feature, not a bug. By itself, a RAW file has no interpretation and there would be nothing to preview. Some kind of Picture Profile (or whatever different brands and software call it) needs ...
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  • 140k
2 votes

How to smooth gradient of an overexposed sky on a raw file?

Try adding some noise to the sky. This will ease the transitions between the bands of color. Here's a good reference for doing so: https://www.dpmag.com/how-to/tip-of-the-week/identifying-repairing-...
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  • 121
2 votes

How can I change contrast within a single colour?

You are using the wrong term to define what you wish to accomplish. The examples you show are different due to the increased SATURATION of the hue of the sky. Sliders in most every software for image ...
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  • 5,405
2 votes

What is the difference between Photoshop RGB Curve and Lightroom RGB Tone Curve?

LR uses ProPhoto with a gamma of 1 for calculations, but it uses a gamma of 2.2 for the interface (histogram, tone curve). Photoshop uses whatever gamma is correct for the chosen color space (2.2 sRGB,...
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2 votes

Why does Photoshop Curves in 16 bit color depth still use tonal range 0 - 255?

Habits (or compatibility with a legacy of thousands of Youtube tutorials out there...). Actually what would make sense is a 0.0->1.0 scale or percent values (with fractional part). These values are ...
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1 vote
Accepted

How do I generate linear output from darktable?

It should be quite easy to measure. Take a series of pictures with different exposure time t, using a constant light source. Then the input to the system will be linear, because the number of photons ...
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1 vote

How to handle the tone curve (linear/medium/high contrast) and the other development settings?

This question basically has no direct answer because this depends on the original image, and then the intended look or style. These two elements alone (input and output) give you an endless ...
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  • 20.7k
1 vote

How to change saturation on a curve in RGB mode, in Photoshop?

What you describe, editing saturation curves in RGB mode, may not be possible. However, it is possible to enhance a few colors in an image with the curves tool. The way I think of saturation, which ...
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  • 26.3k
1 vote

How does the shadows slider work in Adobe Camera Raw/Lightroom?

It seems to be doing some kind of tone mapping/pseudo-HDR thing. Here's what a linearly depicted properly exposed image looks like: Here's a thumbnail preview of the same image with a typical light ...
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  • 168k
1 vote

Do the graticules in the curves editor have any absolute meaning?

The X and Y axis of the curve is the histogram range of [0..255]. See the gray scale tonal graduations shown there with it? X is input and Y is output, and the purpose of the curve line is to map an ...
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  • 12.5k
1 vote

Can I apply colour tone curves before black and white processing in Lightroom?

Not without leaving Lightroom. As you correctly noted, Lightroom does not currently offer any facility for re-ordering the Develop module's order of operations. If you have decided that Lightroom is ...
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  • 41
1 vote

How can I change contrast within a single colour?

The answer would always strongly depend on the tool you are using, but what you need to do logically is separate the color you want to work with out, for example by using more or less sophisticated ...
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  • 2,005
1 vote

How can I change contrast within a single colour?

I think the quickest way to do that would be to use the adjustment brush and draw the effect in the desired area. Choosing the area by globally selecting the desired color (or hue, for example), ...
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  • 8,334
1 vote
Accepted

How to take Black and White photos without pure black?

I think there is a missconception of post processing. Adjusting Camera settings is doing a post process but not done by yourself, but the camera. I don't imagine a camera that renders a black as ...
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  • 20.7k
1 vote

How many stops are there between middle gray and white point?

One stop is a factor 2 of light (-1 stop => half the light, +1 stop => twice the light). So a byte (8 bits) has a dynamic range of 8 stops. It's less than a good camera, which can have up to 13 or 14 ...
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