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- electrooptic variable focal length lens 电子光学变焦透镜
- variable focal length lens 变焦距透镜
- variable focal length (cylindrical) lens 变焦(距)(圆柱)透镜
- variable focal length cylindrical lens 变焦(距)透镜
- objective with variable focal length 可变焦距物镜,变焦距物镜
- Spot diameters of just a few thousands of an inch can readily be attained with convenient short focal length lenses. 用普通的短焦距透镜不难得到直径只有几十微米的光点。
- Variable Focal Length Zoom Lenses 可变焦伸缩镜头
- A New Manufacture Technique for Long Distance Focal Length Lens 一种新的长焦距透镜的制造方法
- lens of variable focal length 可变焦距透镜
- A typical lens has a focal length(f)of 625 mm. 常见镜头的焦距（f）为625毫米。
- Determine the focal length of your lens. 决定你镜头的焦距。
- The focal length of a given lens is different for different colors. 一个特定的透镜的焦距因颜色的不同而不同。
- Distortion Correction of Imaging System With a Large-Field Short Focal Length Lens 大视场短焦距成像系统的快速校正
- Distortion measurement of CCD camera with a large-field, short focal length lens 大视场短焦距镜头CCD摄像系统的畸变校正
- This photogragh is shot by lens with a long focal length. 这张照片是用长镜头拍摄的。
- The focal length of the camera lens plays an important role in photo criteria. 摄影机镜头的焦距在摄影规范中起着重要的作用。
- Focal length The distance between the centre of a lens and its principal focus. 镜头中心与其主焦点的距离。
- variable focal length 变焦
- variable focal length mirror 可变焦距镜
- C: Can I control the focal length? 我能控制焦距吗?
