Thursday, September 1, 2011

Single-lens reflex camera


Visible Spectrum: The portion of the electromagnetic spectrum that is visible to the human eye.

Aperture: a hole or an opening through which light travels
Shutter: controls the length of time that the light hits the recording surface.
Exposure: presentation to view
Depth Of Field:  the amount of distance between the nearest and farthest objects that appear in acceptably sharp focus in a photograph.
F-Stop: The measurement of the aperture setting in a camera lens.
Focal Length: The distance between the center of a lens or curved mirror and its focus.

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