Photography study guide

Photography

Derived from Greek roots meaning 'drawing or writing with light.'

Camera Obscura

Early optical device that projects inverted images onto a surface using light.

Daguerreotype

The first detailed photographic process created on silver-coated copper plates.

Calotype

An early photographic method invented by Talbot that used a negative-positive process.

Photogram

An analog technique producing negative images created without a camera, using light-sensitive materials.

Shutter Speed

The duration that a camera shutter is open, affecting exposure and motion capture.

Iris Diaphragm

A component that controls the aperture, adjusting the amount of light entering the camera.

Exposure Triangle

The balance between ISO, aperture, and shutter speed to achieve proper exposure in photography.

Scannography

A digital evolution of photograms that uses flatbed scanners to create 1:1 images.

Xerox Art

Art created using photocopy machines, popularized in the 1960s.