Defn: The diaphragm used in optical instruments to cut off the marginal portions of a beam of light passing through lenses.
Spider lines, filaments of a spider's web crossing the field of vision in optical instruments; -- used for determining the exact position of objects and making delicate measurements.
The diaphragm used in optical instruments to cut off the marginal portions of a beam of light passing through lenses.
Important developments have been made in the construction and applications of optical instruments.
Applied optics, particularly with regard to the theory of optical instruments, is treated in H.
Simultaneously with this remarkable development of theoretical and experimental optics, notable progress was made in the construction of optical instruments.
A box of optical instruments," says the customs officer, making a blue check.
To the accompaniment of splashing drops of oily water, puffs of steam, groans of the windlass and the yells and curses of the stevedores, the whole load, including the box of optical instruments, at last disappears in the hold of the ship.
Optical Instruments Of the many industries developed by the war, the production of optical instrumentsoffers a striking example of rapid progress.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "optical instruments" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
