Meaning of fast
Fast
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Digital photography
Glossary of photography terms
Meaning and definition of fast :
Describes 1. a film or paper that is very sensitive to light, 2 a lens of wide maximum aperture, relative to its focal length, allowing maximum light into the camera in minimum time. The speed of a lens - its relative ability to take in light - is an important measure of its optical efficiency: fast lenses are more difficult to design and manufacture than slow lenses, and consequently cost more., 3. a short shutter speed. Opposite: slow.
For the term fast may also exist other definitions and meanings, the meaning and definition indicated above are indicative not be used for medical and legal or special purposes.
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Glossary of photography terms
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