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Author Topic: Tools, Settings, Units, values.  (Read 446 times)

spassig

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Tools, Settings, Units, values.
« on: October 25, 2020, 05:38:11 am »

Hello

A question about the tools and their settings.
There are various controls in the tools, e.g.

Exposure > Exposure > slider from - 4 to + 4.
Are aperture values?

Sharpening > Radius > Controls from 0.2 to 2.5
Are pixels?

White balance > Kelvin > controller from 800 to 14.000
Are Kelvin values?

Which "units" do the others have, e.g.
Exposure > Contrast > Controls from - 50 to + 50

Or:

Clarity > Clarity > Knob from - 100 to + 100

Noise reduction > Brightness > Controls from 0 to + 100

Can anyone say anything?

Or is in www or here a good explanation?

Jochen
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UnfamiliarLight

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Re: Tools, Settings, Units, values.
« Reply #1 on: October 25, 2020, 08:41:42 am »

Exposure > Exposure > slider from - 4 to + 4.
Are aperture values?
They are exposure values (EV). So, +1 adding one EV to the image. Which would be like (only in terms of exposure) opening the aperture one stop or slowing down the shutter speed by one stop.

Sharpening > Radius > Controls from 0.2 to 2.5
Are pixels?
I believe so.

White balance > Kelvin > controller from 800 to 14.000
Are Kelvin values?
Correct

Which "units" do the others have, e.g.
Exposure > Contrast > Controls from - 50 to + 50

Or:

Clarity > Clarity > Knob from - 100 to + 100

Noise reduction > Brightness > Controls from 0 to + 100

I think these are just arbitrary from minimum effect to maximum effect but I don't really know for sure.
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spassig

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Re: Tools, Settings, Units, values.
« Reply #2 on: October 26, 2020, 07:01:35 am »

Thanks for feedback
They are exposure values (EV). So, +1 adding one EV to the image. Which would be like (only in terms of exposure) opening the aperture one stop or slowing down the shutter speed by one stop.

You are right. EV is a better explanation.

Jochen
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