object lens

noun

, Optics.

1. objective ( def 3 ).

Word History and Origins

Origin of object lens¹

First recorded in 1825–35

Example Sentences

Diameter of object lens 2-3/4 in., diameter of ocular lens 1 in.

From Project Gutenberg

The objective, or object lens, stands in front of the slide.

From Project Gutenberg

The optical part of the work was done by Merz, Alvan Clark having declined the responsibility of dividing the object lens.

From Project Gutenberg

These have been overcome, one after another, until it is now felt that the best modern telescope, with an object lens of twenty-six inches, has fully reached the limit of optical power.

From Project Gutenberg

The field of the great object lens was already suffused with the radiance of her approach.

From Project Gutenberg