Tuesday, September 18, 2012

The Camera

Aperture:  a hole or an opening through which light travels.

Shutter: a photographic device that administers the exposure by limiting the time over which light is admitted.

Exposure: the total density of light allowed to fall on the sensor during the taking of a photograph.

Depth of Field: s the distance between the nearest and farthest objects in a scene that appear acceptably sharp in an image.

F-Stop: he ratio of the lens's focal length to the diameter of the entrance pupil.

Focal Length: an optical system is a measure of how strongly the system converges or diverges light.

ISO:  ISO numbers tell you how sensitive your camera is to light.

Shutter Speed: in photography, shutter speed is a common term used to discuss exposure time, the effective length of time a camera's shutter is open.

Color Temperature: the temperature at which a black body would emit radiation of the same color as a given object.

Flash: Cause to shine briefly or suddenly.

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