Glossary of technical terms for the use of metallurgical engineers Terms starting with alphabet ‘O’
Glossary of technical terms for the use of metallurgical engineers Terms starting with alphabet ‘O’ Objective – It is an optical element that gathers light from an object being observed and focuses the light rays from it to produce a real image of the object. Objectives can be a single lens or mirror, or combinations of several optical elements. They are used in microscopes, binoculars, …
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