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PHOTOCHROMIC LENS [1 record]

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Record 1 2004-08-03

English

Subject field(s)
  • Optics
DEF

A lens that darkens when exposed to light and lightens when the light source is diminished.

OBS

Common names for this lens are photogray (turns gray) and photobrown (turns brown). A common brand name of lightweight photochromatic plastic lenses is Transitions.

French

Domaine(s)
  • Optique
DEF

Lentille [...] qui [s'obscurcit] sous une lumière intense et [s'éclaircit] à la lumière ambiante.

Spanish

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