Catadioptric lens
A lens that uses reflected and refracting surfaces to structure an image. More commonly known as a mirror lens
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Catadioptric lens
Techniques Glossary Catadioptric lens
A lens that uses reflected and refracting surfaces to form an image. More commonly known as a mirror lens.
Catadioptric lens
(see Mirror lens)
CC filter
Abbreviation for colour compensating filter. CC filters are designed primarily for correcting colour bias in colour photo printing. CC2OY, for example, indicates a yellow filtration of 0.
-Catadioptric lens - see Mirror lens.
-Catchlight - reflection of a light source in the subjects eyes.
-Cathode ray tube - evacuated bulb of glass containing pairs of plates between which electrodes pass.
Mirror, or catadioptric lenses are an alternative to more expensive long lenses. They have two major draw backs. First they are too slow. 500mm and 600mm ones have a maximum aperture of f-8 and it's fixed. You can't change f-stops.
Some third-party lens makers sell mirror or, as they're more accurately known, catadioptric lenses. Such lenses use a pair of mirrors to fold the light path in half, in addition to containing regular glass elements.
A lens, which uses mirrors, as well as lens optics to control and focus an image. Usually a telephoto lens. These catadioptric lenses were designed to allow for shorter barrels.
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 See also: Image, Mirror lens, Lens, Light, Focus
  
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