镜头结构可以理解为镜头的构造，其主要是由镜片构成的。任何一款相机的镜头都不可能是由一块镜片组成，标准镜头和功能型附加镜头都是如此。一个镜头往往是由多块镜片构成，根据需要这些镜片又会组成小组，从而把要拍摄的对象尽可能清晰、准确的还原。
采用“负-正-正”型式的反远距像方远心光路镜头结构，仅有三块非球面锗透镜构成。
The optical system only consists of three germanium lenses with a "negative-positive-positive" reversed telephoto telecentric structure in the image space.
为提高CCD照相机的成像质量，同时使镜头结构紧凑、小型化，在大视场光学镜头的设计中，采用非球面设计。
To improve the imaging quality of CCD camera and make the lens small in size, compact in structure, the wide field of view(WFOV) optical lens with the aspheric surface was designed.
1896年卡尔蔡司普兰那结构镜头亮相，这种镜头结构至今仍能在不少地球和太空中摄影用专业光学镜片上见到。
In 1896 Carl Zeiss presented its Planar lens. This lens type is still found in many professional optical tools for photography on Earth and in space.
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