optical crown glass

美 [ˈɑːptɪkl kraʊn ɡlæs]英 [ˈɒptɪkl kraʊn ɡlɑːs]
  • 网络光学冕玻璃
optical crown glassoptical crown glass

noun

1
optical glass of low dispersion and low refractive index
Synonym: optical crown crown glass

数据来源:WordNet

  1. A lens made of optical crown glass .

    用冕光学玻璃制成的透镜。