Understanding Shutter Speed

Slow Shutter Speed

 ISO-1600
Aperture-6.3
Shutter Speed- 1/40


Fast Shutter Speed

ISO-1600
Aperture-8
Shutter Speed- 1/60

i) The amount of time the shutter is open to light.
ii) Shutter speed in the camera is how long the shutter is open to light to allow light into the picture.  In the photo it lets more light into the photo.
iii) In relationship to the exposure triangle the shutter speed lets light into the photo so you can see more clearly.