Lensmeter

（重定向自Vertometer）

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	vertometer
释义	vertometer 英汉-汉英词典屈度计词组 \| 习惯用语您要查找的是不是： photometer n. [物]光度计；光度测定器 thermometer n. 温度计 vertebrate n. 脊椎动物 adj. 有脊椎的;脊椎动物的 magnetometer n. 磁力计 radiometer n. 辐射计；放射计 vertometer n. 焦度计，屈度计网络短语: vertometer r 焦度计英语百科 Lensmeter （重定向自Vertometer） 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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vertometer

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网络短语:

Lensmeter