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objective |
Also found in: Dictionary/thesaurus, Medical, Legal, Wikipedia, Hutchinson | 0.02 sec. |
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objective 1. existing independently of perception or an individual's conceptions 2. Med (of disease symptoms) perceptible to persons other than the individual affected 3. Optics a. the lens or combination of lenses nearest to the object in an optical instrument b. the lens or combination of lenses forming the image in a camera or projector objective [äb′jek·tiv] (optics) The first lens, lens system, or mirror through which light passes or from which it is reflected in an optical system; many scientists exclude mirrors from the definition. Also known as object glass. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Always adjust the eye span knob(s) midway before inserting the objective lenses first into the foam inserts of the carrying case. When using binoculars with larger objective lenses, surveillants may need a window mount or tripod, making the unit even more difficult to move or effectively disguise. Infrared objective lenses are major subassemblies in the Thermal Weapons Sight II program for BAE Information and Electronic Warfare Systems. |
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