#initial-load-header-loader { visibility: hidden!important; } #initial-load-content { visibility: visible!important; } .expandable .expandable-control { display: none!important; } .expandable .expandable-content { display: block!important; visibility: visible!important; max-height: none!important; height: auto!important; }

object lens

|

noun Optics.

objective(def 3).

Origin of object lens

First recorded in 1825–35

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for object lens

Historical Examples of object lens

A refracting telescope is one of the ordinary pocket type, having an object-lens at one end and an eyepiece at the other.
The Romance of Modern Invention
Archibald Williams
It is fifty-six and a half feet long, the object-lens measures thirty-six inches across.
Through Magic Glasses and Other Lectures
Arabella B. Buckley