Assignment 4-working with flash

Dr. Harold Edgerton (1903-1990) is credited with inventing the electronic circuits that led to the development of electronic flash units used in modern photography.

Milk Drop Coronet, 1957 by Harold Edgerton

Edgerton made high‐speed stop‐action pictures that collapsed the intellectual boundary between entertainment and science. Perfected in 1932 at Massachusetts Institute of Technology (MIT), where he was professor of electrical engineering, Edgerton’s stroboscope could emit 60.10‐microsecond flashes of light per second and be recharged in less than 1 microsecond. It allowed very rapid events to be observed and, with the addition of a camera, captured on film. (

In addition to freezing high speed action, electronic flash is used to provide light for our photographs. In Assignment 4, you’ll use your camera’s (or an external) flash to light a portrait of a person.

"On the Edge 661" by Roger Vargo

In the portrait above, I used off-camera lighting from the side to accentuate the shape of the model’s facial features and lip ring. You may use flash from any direction to light your portrait.

Your image can be either a self-portrait or a portrait of someone else.

You will submit both a mounted print and selection of 10 digital files with metadata.

The assignment is due Friday April 30, 2010. (The PDF date is in error)

photo10 assignment 4-FLASH

Read more about single flash portraits:

Portraits with one light

Mixed light outdoor portrait

Read more about Dr. Harold Edgerton:

Harold Edgerton Bio

Harold Edgerton Images

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