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- The software computes the Back focal length from focal plane position and the reference position (as well as the offset, if entered). 软件根据焦面位置和参考位置(以及偏移量,如果有输入的话)来计算后焦距。
- Back focal distance;Backside focal length 后焦距(摄影)
- back focal length(BFL) 后焦
- back focal length 后焦距
- 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。
- C: Can I control the focal length? 我能控制焦距吗?
- What is the best focal length for bird photography? 拍摄鸟儿最适合的焦距长度是多少?
- 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。
- The focal length is set to Flat stitch in the Properties window. 焦距在特性窗囗中被设定成平坦的一针。
- 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。
- The solid tunable focal length microlens in our study is still a prototype. 本研究所提出之固态调焦透镜兼具微小化、积体化、可单一或阵列使用、及系统整合性高等优点。
- The key places for such manipulation are the back focal plane of the objective and the front focal plane of the substage condenser. 最关键的地方为物镜的后焦面和载物台下聚光镜的前焦面。
- Remove the eyepiece and, in its place, insert a phase telescope so that you can focus on the back focal plane of the objective. 取掉目镜后插入对中望远镜后可以看到物镜的后焦面。
- Here the combinations of Testcharts and measuring objectives for different focal length ranges are preset. 在这里预置不同焦距范围的测量物镜与测试图表之间的组合。
- 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。
- The focal length of the conelensing lens should be such that the image of the source just fills the projecting lens. 聚光透镜的焦距应使光源的像正好照满放映透镜。
- As a result, the focal lengths in these planes will be different. 结果,这两个平面内的焦距将不同。