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standard definition (sd) video

Also termed a normal lens, a standard lens is a fixed focal length (non-zoom) lens that sees a scene in more or less the same proportions and perspective as does the human eye. A standard lens is neither a wide-angle (short) nor a telephoto (long) lens. A 35mm film camera s standard lens would be a 50 to 60mm lens, with a 55mm lens commonly accepted as representative. See Lens selection for info on standard and other lenses.

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standard definition (sd) video

Video recording in standard definition (640x480), using a 4:3 aspect ratio. Not High Definition.
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standard definition (sd) video

Recognized photo paper sizes a printer may be able to handle, in inches: 3.5 x 5, 4 x 6, 5 x 7, 6 x 8, 8 x 10, 8.5 x 11, 10 x 12, 11 x 14, 11 x 17, 13 x 19, 16 x 20, 20 x 24, 20 x 30, 24 x 36.
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standard definition (sd) video

A type of TTL auto flash that does not apply any automatic flash exposure compensation to the flash output.
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standard definition (sd) video

Light measuring 5000 degrees K (color of daylight on bright day) and background of 60 percent neutral gray. Also called lighting standards.
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standard definition (sd) video

The expected difference of a signal to its mean value.
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