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-Cooke triplet - one of the most important lenses in lens history, designed by H.D. Taylor in 1893. It consists of three basic elements and has a maximum aperture of 16.3.
These lenses were mainly advanced Cooke triplet derivatives of markedly asymmetrical designs, for the purpose of maintaining maximum image contrast by reducing lens flare before the era of anti-reflective surface coating, ...
 See also: Plate, Image, Available, Lens, Photograph
  
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