A modern barlow will not degrade your telescope ' s optics 现代巴卢不会降低你的望远镜的光学。
The simple negative element barlow increases eyepiece eye - relief 简单的消极因素巴卢增加目镜眼救济。
My 4 - element form picks up where the barlow concept can go no further 我的第4单元形式拿起那里巴卢概念,可以去没有进一步。
Telecentric operation ( field rays leave parallel to optical axis , unlike barlow lenses which diverge rays ) 远心手术(场射线离开平行光轴,不像巴卢镜片,其中发散射线) 。
We had to go beyond the barlow concept to achieve the goal of a compact , high power , fully corrected image amplifier 我们要超越巴卢概念,以达到这个目标的紧凑型,高功率,充分校正图像放大器。