shutter speed

The 3 camera settings

that comprise the Exposure Triangle are aperture,

Shutter speed and,

ISO

On the back monitor of our Canon DSLR

cameras, the aperture setting is displayed with “F” followed by a number. 

1/4000 at f5.6 ISO 800 Apertures (from smallest openings to largest openings)

are typically numbers f16, f11, f8, f5.6, f4 f2.8, f2

ISO 400 1/4000 f5.6

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  1/4000 seconds and the longest

or slowest shutter speed is 2 seconds.

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

This setting goes from 100, 200, 400, 800,1600 on our cameras. 1/40 f111 ISO 400

To center the meter on our cameras, we can change the ISO , Aperture or the Shutter speed

Finally for the 4th picture, we learned how to securely fasten a camera to a tripod to take a picture showing a ghost-like image.

2 sec ISO 100 f13.2