Canon EOS 50D Digital SLR with 28-135mm IS Lens

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FEATURED WEB TUTORIAL: APERTURE

Learn to use Aperture

Published by: About.com
Tutorial Preview:

The aperture is the hole through which light enters the camera, also called the iris. Apertures are measured using a relative scale, and designated by 'f numbers' such as f4, f5.6 or f8. The smaller numbers refer to larger holes to let in light. (More detail on this in the glossary - see box at top right.)

Read The Full Tutorial eMail Tutorial

ADDITIONAL WEB TUTORIALS: APERTURE

Aperture Explained - Video by BestPhotoLessons.com

Depth of Field Video Tutorial by Pospisil
This video tutorial provides the user with example of smaller and larger apertures, the effects, and when and why you would want to control

Understanding Aperture by Cameratown
In the dictionary the term Aperture has this definition: "a usually adjustable opening in an optical instrument, such as a camera or telescope,

What's Up With... F-Stops? by Popular Photography
Remember taking your SATs? They had questions like this:

What is the next number in this sequence: 1, 1.4, 2, 2.8, 4, 5.6...?

At this

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