Meanings of optical instrument in English

NEVER observe the sun through any form of optical instrument.

It was a concave lens, like some powerful optical instrument.

However, chromatic aberration imposes an upper limit on the magnifying power of any optical instrument.

They finally decided upon one offered by Herr H., the head of an optical instrument firm.

Within recent years the polariscope, an optical instrument that determines the percentage of sugar by means of polarized light, has largely replaced the Dutch standard.

On the other hand his craze for optical instruments kept increasing in intensity.

A shop was taken in Stonegate in 1836, and provided with optical instruments.

Ordinarily they were steady, strong eyes, excellent and renowned optical instruments.

Ever since I could remember, I had felt a revulsion for all optical instruments.

His best optical instruments were several excellent marine telescopes, manufactured especially under his direction.

The Company operates its business through three segments: Optical Components, Optoelectronic Products and Optical Instruments.

Matter helps us in the acquisition of knowledge, as, for example, glass in optical instruments.

Optical instruments made included eyeglasses, telescopes, and microscopes.

As regards the optical instruments at their disposal, they had excellent marine glasses specially constructed for this journey.

In the case of Ison, it was only expected to be visible without optical instruments for a few weeks.

Plutarch speaks of optical instruments used by Archimedes "to manifest to the eye the largeness of the sun."