Shutter Speed

The 3 camera settings that comprise the Exposure Triangle are Aperture, Shutterspeed and ISO

On the back monitor of our Canon DSLR cameras, the aperture setting is displayed with “F” followed by a number.  

Apertures (from smallest openings to largest openings) are typically numbers f/22, f/16, f/11, f8, f/5.6, f/4, f/2.8

The shutter speed settings are shown on the top left on the back monitor. 

Expressed as fractions of a second, the shortest or highest shutter speed on our cameras are 1/8000 seconds and the longest or slowest shutter speed is 30 seconds.

Examples of Shutter speeds (not in order) are 1/4000, 1/2000, 1/1000, 1/500, 1/250, 1/125, 1/60, 1/30, 1/8, 1/2, 1, 2, 4, 8, 15,30 ”

The third setting ISO controls the camera’s sensitivity to light. 

This setting goes from 100, 200, 400, 800, 1600, 3200 on our cameras.

To center the meter on our cameras, we can either  change the aperture , shutterspeed or the iso

ISO 200 18mm f/16 1/40sec

ISO 1600 55mm f/5.6 1/600 sec

ISO 1600 55mm f/5.6 1/1000 sec

ISO 100 24mm f/10 4.0 sec

ISO 400 18mm f5.6 1/13sec