材料: K9 ( Materail Fine annealed BK7 )
折射率: 1.5168( Index of refraction:1.5168 (at 587.6nm))
焦距公差: &plu***n;2%( F=effective focal length:&plu***n;2%)
设计波长: 587.6nm( Design W***elength:587.6nm)
面型精度: 0.5个牛顿环每厘米(Surface Accuracy:0.5 fringes per cm )
长度 / 宽度公差:&plu***n;0.1mm( Length/ Width:&plu***n;0.1mm)
中心厚公差: &plu***n;0.2mm( Tc=center thickness:&plu***n;0.2mm)
偏心公差: 5 分( Centration: 5 arc minutes)
光洁度:60-40(surface Qualith:60-40 scratch-dig)