(magnification)
71biological magnification — the increasing concentration of toxic substances within each successive link in the food chain. Also called biomagnification. Cf. biological accumulation …
72Увеличение оптическое — [magnification] отношение линейных или угловых размеров изображаемого предмета, получаемое с помощью оптической системы, к соответствующим размерам предмета. Различают линейное поперечное β, угловое γ и продольное α оптическое увеличение.… …
73Depth of field — The area within the depth of field appears sharp, while the areas in front of and beyond the depth of field appear blurry …
74Telescopic sight — Scope redirects here. For other uses, see Scope (disambiguation). View through a 4x rifle scope. A telescopic sight, commonly called a scope, is a sighting device that is based on an optical refracting telescope. They are equipped with some form… …
75Superzoom — The term hyperzoom or superzoom is used to advertise photographic zoom lenses with unconventionally large focal length factors, typically more than 4× and ranging up to 15×, e.g., 35 mm to 350 mm. The largest ratio for digital SLR cameras is held …
76Optical microscope — Microscope Uses Small sample observation Notable experiments Discovery of cells Inventor Hans Lippershey Zacharias Jans …
77Eyepiece — For the device for looking through a camera, see viewfinder. A collection of different types of eyepieces. An eyepiece, or ocular lens, is a type of lens that is attached to a variety of optical devices such as telescopes and microscopes. It is… …
78microscope — /muy kreuh skohp /, n. 1. an optical instrument having a magnifying lens or a combination of lenses for inspecting objects too small to be seen or too small to be seen distinctly and in detail by the unaided eye. 2. (cap.) Astron. the… …
79optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… …
80Diamond clarity — Part of a series on Diamonds Material Material properties Crystallographic defects Formatio …
