Introducing The Principles of Exposure

Written by stuestler on December 8th, 2009

D4K3 003We began the day with the less experienced kids in the group, and introduced them to the basics of exposure control – aperture, shutter and ISO, and the relationships between them. These kids have worked with digital point & shoot cameras and have a respectable grounding in composition, and this shows them how to get consistent, predictable results in their photos.

We had them shoot a bracket from -2 to +2 and then showed them how to import their images into Lightroom and make adjustments to their photos, recovering much of their under- and over-exposed frames.

It’s exciting to see the lights come on when the concepts sink in and they “get it”. Ana, one of the girls from “the city” (as Guatemala City is know down here) observed that the shot she liked best wasn’t the “correct” metered exposure – recognizing that having the skills to control the exposure allows you to interpret your image the way you visualize the final result.

Next we repeated the two classes with the more experienced members of the group. While most of them claimed to understand the use of aperture and shutter, it was clear that they all had only a little experience in applying the concepts of manual exposure control in their photos. Once they realized what they really can do by making the camera do what they want, they got totally into the process as well.

Tomorrow is an “excursion day” – no structured classes, but rather a creative play day, with activities that allow the kids to apply and practice the concepts and techniques they’re learning this week. Can’t wait to see what they come up with!

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