调焦镜头 zooming
近调焦镜头 CLOSE-FOCUSING LENS
内调焦望远镜 [光] internal focusing telescope ; interiror focusing telescope
可调焦透镜 pancratic lens
外调焦望远镜 exteriro telescope ; exterior focusing telescope
前透镜调焦 front-cell focusing ; front lens
目镜调焦环 eyepiece focusing ring
调焦望远镜 focusing telescope
调焦显微镜 focusing microscope
对于大型的空间望远镜,由于发射和在轨工作环境复杂,且常要求在多波段下工作,从而使得在轨自动调焦成为必不可少的一项关键技术。
Because of the complicated launch and on-orbital working condition, and working with multiband, AF technology is a key technology for large space telescopes.
首先,学习显微镜如何调焦。
他找到双筒望远镜,然后调焦对准那艘船看。
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