afocal lens [光] 无焦透镜 ; 改焦镜头
afocal doublet 无焦双透镜
afocal imaging system 无焦成像系统
afocal zoom telescope 连续变倍望远镜
afocal attachment lens 附加望远镜头
Afocal System 无聚焦系统
variable-power afocal 可变屈光度远焦的
afocal optical system 远焦光学系统
afocal attachment [光] 远焦附加镜
The Optical Transfer Function of an afocal aspherical and non-coaxial optical system is also calculated.
计算了一个非球面非共轴无焦系统的波动光学传递函数。
Based on Gauss optics, the theory of afocal zoom expander is analyzed, a afocal zoom expander is designed and successfully applied.
基于高斯光学理论，分析了无焦连续变倍准直扩束系统的原理，实现了无焦连续变倍准直扩束系统的设计，并得到了验证。
The prism turning theorem as first put forward in China describes the directional conjugate relation between the object and the image space, being applicable to afocal systems.
棱镜转动定理是我国首先提出的，实际上此定理描述的是物、象空间方向共轭关系，适用于无光焦度光学系统。
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