Analog photography: Difference between revisions
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'''Analog photography''' is [[photography]] using a progressively changing recording medium. Such a recording medium may be based either on a |
'''Analog photography''' is a term for [[photography]] using a progressively changing recording medium. Such a recording medium may be based either on a [[chemical process]] (e.g., [[photographic film]]) or [[electronic]] means (e.g., using a [[Video camera tube|vidicon]] or [[Charge-coupled device|CCD]] sensor). |
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The term is a carryover from electronics and constitutes a [[catachresis]], often erroneously used to describe film photography in juxtaposition to a digital post-capture workflow. The recording process in all digital cameras is still analog. |
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In film photography, [[light]] is recorded using a chemical process. In the predominant [[gelatin-silver process]], light falling upon [[photographic emulsion]]s containing [[silver halide]]s is recorded as a [[latent image]]. The latent image is subjected to [[photographic processing]], which makes it visible and insensitive to light. |
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In analog [[video camera|video]] recording, light is converted to an electronic signal which is then recorded on [[video tape]] for later playback. Early home video recording systems like [[VHS]] were entirely analog. |
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== References == |
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*Glenn D. Considine, ''Van Nostrand's Scientific Encyclopedia'', Two-Volume Set, 9th Edition (Hoboken, NJ: Wiley, 2002) |
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*Peter M.B. Walker, ''Chambers Technical Dictionary'' (Edinburgh: Chambers 1999) |
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==External links== |
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* [http://www.apug.org/forums/home.php Analog Photography Users Group] international community |
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[[Category:Photography]] |
[[Category:Photography]] |
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Revision as of 23:41, 12 November 2009
Analog photography is a term for photography using a progressively changing recording medium. Such a recording medium may be based either on a chemical process (e.g., photographic film) or electronic means (e.g., using a vidicon or CCD sensor).
The term is a carryover from electronics and constitutes a catachresis, often erroneously used to describe film photography in juxtaposition to a digital post-capture workflow. The recording process in all digital cameras is still analog.
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