aperture, shutter speed, ISO questions

it is like the pupil.
smaller the aperture the more busier the background  bigger the aperture the blurrier the background
it affects the depth of field by bringing the  subject more in focus. and making it appear closer.
Shutter speed:

high shutter speed

low shutter speed

1. low shutter speed 
2. low shutter speed 
3. high shutter speed
4. low shutter speed 
5. low shutter speed
6. high shutter speed 

to change the shutter speed is to set the camera to the shutter priority mode, make sure in manual mode, turn ISO off then point 

manual- control then shutter and choose the ISO or the aperture for automatic or not.

shutter priority- manual sets the shutter speed and the camera automatically sets the aperture.

ISO- the values that the camera picks up. 

1. it reduces blur 
2. If there is plenty of light, you are free to use a low ISO and minimize the appearance of noise as much as possible.
3. fighting against motion blur. 

2.8, 4, 5.6, 8, 11, 16, 22

1 second, 1/60, 1/4000

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