Definición de porro prism en inglés:

porro prism

Silabificación: por·ro prism
Pronunciación: /ˌpôrō ˈprizəm
(also Porro prism)


  • 1A reflecting prism in which the light is reflected by two 45° surfaces and returned parallel to the incoming beam. Compare with roof prism.
    Más ejemplos en oraciones
    • While not as sexy as a roof prism, the porro prism is a dependable unit made for the outdoors.
    • Two porro prism binocular models are new, the 8x42 mm and the 10x42 mm.
    • Modern roof prism designs are capable of performance just as good as a comparable porro prism design, due to current technology such as phase coating and improved reflective backing materials on the prisms.
  • 1.1 (porro prisms) (also porro-prism binoculars) A pair of binoculars using two porro prisms at right angles, resulting in a conventional instrument with objective lenses that are further apart than the eyepieces.


named after Ignazio Porro (1801–75), Italian engineer.

Más definiciones de porro prism 

Definición de porro prism en: 

Obtener más de Oxford Dictionaries

Subscribirse para eliminar anuncios y acceder a los recursos premium

Palabra del día maelstrom
Pronunciación: ˈmeɪlstrəm
a powerful whirlpool in the sea