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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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Answers by country

lens aperture
sensitivity
flash power
shutter speed
answers
flagthe United States
12%
58%
7%
21%
41
flagPoland
22%
56%
6%
13%
307
flagGermany
31%
51%
13%
3%
29
flagIndia
19%
45%
15%
17%
51
flagthe United Kingdom
40%
36%
4%
20%
25
flagAustralia
20%
30%
0%
50%
10

Which area is brighter?

A
B
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...

Side rainbow
Halo
Brocken spectre
Sun Dogs

What does the NATO acronym stand for?

North Alliance Towards Offensive
National Armies Together Organization
North Atlantic Treaty Organization
Neutrality Agreement of Trusted Organizations