zeropower airspaced doublet

同义词释义

1)zero-power air-spaced doublet,零屈光度空气隙双[分]透镜2)air-spaced doublet,空气隙双合透镜<光>3)zero-power lens,零屈光度透镜，平光眼镜4)plus power spherical lens,正屈光度球透镜5)zero-power space,零屈光度空间6)aperture lens,空隙透镜