The Three Pillars of Explosion: Aperture, ISO, Shutter Speed

Aperture 

1. The flower and the details of the flower is what we're focusing on and that's where the Aperture is in the picture. 

2. The smaller the Aperture 

3. Aperture impacts the Death of Field by making the background objects in focus by with a large f-number. A small f-number will isolate foreground from the background by making them sharp. 

Fast Shutter Speed & Slow Shutter Speed 

Reasonable light

a) medium

b) medium

c) slow 

d) slow

e) medium

f) fast 

Dark 

a) fast 

b) slow 

c) fast

d) medium

e) medium 

f) fast

Aperture Priority mode is setting the lens aperture and the camera sets the shutter speed. Shutter Priority mode is going to be the opposite of Aperture Priority it is you setting the shutter speed and the camera sets the aperture. Manual mode setting both shutter speed and aperture.