telescope objective
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telescope — /tel euh skohp /, n., adj., v., telescoped, telescoping. n. 1. an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens… … Universalium
objective — [əb jek′tiv, äbjek′tiv] adj. [ML objectivus] 1. of or having to do with a known or perceived object as distinguished from something existing only in the mind of the subject, or person thinking 2. being, or regarded as being, independent of the… … English World dictionary
objective — ► ADJECTIVE 1) not influenced by personal feelings or opinions. 2) not dependent on the mind for existence; actual. 3) Grammar relating to a case of nouns and pronouns used for the object of a transitive verb or a preposition. ► NOUN 1) a goal or … English terms dictionary
Objective (optics) — Several objective lenses on a microscope. In an optical instrument, the objective is the optical element that gathers light from the object being observed and focuses the light rays to produce a real image. Objectives can be single lenses or… … Wikipedia
objective prism — noun : a transparent prism of small apex angle but large size that is placed in front of the objective of a telescope to cause all stars and other objects to appear as short spectra in the focal plane where they may be photographed together on a… … Useful english dictionary
objective — objectively, adv. objectiveness, n. /euhb jek tiv/, n. 1. something that one s efforts or actions are intended to attain or accomplish; purpose; goal; target: the objective of a military attack; the objective of a fund raising drive. 2. Gram. a.… … Universalium
Objective — In a microscope, the objective (also called the objective lens) is the lens nearest to the object being examined whereas the lens closest to the eye is termed the ocular (the eyepiece). The light microscope today is usually binocular (with one… … Medical dictionary
objective lens — noun the lens or system of lenses in a telescope or microscope that is nearest the object being viewed • Syn: ↑objective, ↑object lens, ↑object glass • Hypernyms: ↑lens, ↑lense, ↑lens system • Part Ho … Useful english dictionary
objective — /əbˈdʒɛktɪv / (say uhb jektiv) adjective 1. free from personal feelings or prejudice; unbiased. 2. being the object of perception or thought; belonging to the object of thought rather than to the thinking subject (opposed to subjective). 3.… …
objective — Object Ob ject ([o^]b j[e^]kt), n. [L. objectus. See {Object}, v. t.] 1. That which is put, or which may be regarded as put, in the way of some of the senses; something visible or tangible and persists for an appreciable time; as, he observed an… … The Collaborative International Dictionary of English
objective lens — Object Ob ject ([o^]b j[e^]kt), n. [L. objectus. See {Object}, v. t.] 1. That which is put, or which may be regarded as put, in the way of some of the senses; something visible or tangible and persists for an appreciable time; as, he observed an… … The Collaborative International Dictionary of English
