Aperture, Shutter Speed + ISO - how do they work

F2.8

F16

1.  The pupil

2.  The smaller the Aperture the more lite taken in, the higher the Aperture the less amount of lite taken in.

3.  I don't know how to explain.



High shutter speed


Slow shutter speed





ISO 200




ISO 3200



Aperture: 2.8, 4. 5.6, 8, 11, 16, and 22

Shutter Speed:  1 sec,  1/60 sec,  1/4000 sec

ISO:  100, 200, 400, 800, 1600, 3200, 6400, 12800, 25600

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