Lensmeter

（重定向自Focimeter）

A simple lensmeter cross sectional view.

1 – Adjustable eyepiece 2 – Reticle 3 – Objective lens 4 – Keplerian telescope 5 – Lens holder 6 – Unknown lens 7 – Standard lens 8 – Illuminated target 9 – Light source 10 – Collimator 11 – Angle adjustment lever 12 – Power drum (+20 and -20 Diopters) 13 – Prism scale knob

A lensmeter or lensometer, also known as a focimeter or vertometer, is an ophthalmic instrument. It is mainly used by optometrists and opticians to verify the correct prescription in a pair of eyeglasses, to properly orient and mark uncut lenses, and to confirm the correct mounting of lenses in spectacle frames. Lensmeters can also verify the power of contact lenses, if a special lens support is used.

单词	focimeter
释义	focimeter /fəu'simitə/ 英汉-汉英词典 n. 焦点计词组 \| 习惯用语您要查找的是不是： calorimeter n. 量热计 decimeter n. 分米 colorimeter n. 色度计；比色计 centimeter n. 厘米 focimeter n. 焦点计网络短语: focometer focimeter 焦距计 automatic focimeter 自动焦度计 focimeter r 焦距计 projection focimeter 投影焦点计 continuously indicating focimeter 连续显示式焦度计 digitally rounding focimeter 数字显示式焦度计 projection n focimeter 投影焦点计 focal length gauge focimeter 焦距计英语例句库 Explain the difference between power and vertex power from basic definitions of optics, and analyze the measuring principle and error of focimeter. 从光学的基础定义出发，阐述光焦度和顶焦度的差别，并对焦度计的测量原理和误差进行正确分析。声明：以上例句、词性分类均由互联网资源自动生成，未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。英语百科 Lensmeter （重定向自Focimeter） A lensmeter or lensometer, also known as a focimeter or vertometer, is an ophthalmic instrument. It is mainly used by optometrists and opticians to verify the correct prescription in a pair of eyeglasses, to properly orient and mark uncut lenses, and to confirm the correct mounting of lenses in spectacle frames. Lensmeters can also verify the power of contact lenses, if a special lens support is used.
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focimeter /fəu'simitə/

您要查找的是不是：

网络短语:

Lensmeter