Wednesday, October 31, 2012

METADATA

Metadata-  descriptive statistical information about the elements of a set of data

Wednesday, October 17, 2012

Triangle of Exposure

Triangle of Exposure:
Aperture: A space through which light passes in an optical or photographic instrument
Shutter Speed: the effective length of time a camera's shutter is open
ISO: an archive file (also known as a disk image) of an optical disc, composed of the data contents of every written sector of an optical disc, including the optical disc file system
Depth of Field: the distance between the nearest and farthest objects in a scene that appear acceptably sharp in an image.
Motion Blur: the apparent streaking of rapidly moving objects in a still image or a sequence of images such as a movie or animation
Noise and light sensitivity: light sensitivity rating is an algorithmic value that indicates the film’s or the image sensor’s specific sensitivity to light.