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Definitions of Aperture, ISO, Shutter Speed
Tutorial: Definitions of Aperture, ISO, Shutter Speed
Definitions of Aperture, ISO, Shutter Speed

In this tutorial we define Aperture, ISO and Shutter speed which are the backbone of any photographer’s knowledge. From here you will be able to switch out of Full Auto mode and discover some of the more advanced settings on your EOS DSLR camera.

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KEY TERMS

Click on the key term in this tutorial for definition.

Aperture

The amount of light that passes through the lens.

F-Stops

Aperture values are expressed in numbers called f-stops. A smaller f-stop means more light is coming into the camera.

ISO

Indicator of the digital camera’s imaging sensor’s sensitivity to light.

Shutter

The shutter controls the amount of time that the light can strike the image sensor

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