In a photo camera, what is controlled by a button labelled “ISO”?

lens aperture

sensitivity

flash power

shutter speed

Higher ISO settings allow shorter shutter speeds, which is often desirable as it reduces photo blur caused by camera movement. However, higher ISO also means more noise.

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Lionel Allorge wikipedia → Film speed

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Acronyms quiz Optics quiz Photography quiz

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Answers by country

Poland

22%

54%

14%

267

the United States

13%

48%

10%

27%

India

19%

45%

15%

17%

the United Kingdom

39%

34%

21%

Australia

20%

30%

50%

Which area is brighter?

Both are the same

It depends on the order of seeing

Why do cats have vertical pupils?

to have sharper vision

to better see in the dark

to be more attractive

it is a useless mutation

This optical phenomenon, appearing on misty mountainsides, is called...

What does the NATO acronym stand for?

North Alliance Towards Offensive

National Armies Together Organization

North Atlantic Treaty Organization

Neutrality Agreement of Trusted Organizations