- spot lens
- noun
: a condensing lens in which the light is confined to an annular pencil by a small round diaphragm and which is used in dark-field illumination
Useful english dictionary. 2012.
spot lens
Look at other dictionaries:
Spot lens — Spot Spot (sp[o^]t), n. [Cf. Scot. & D. spat, Dan. spette, Sw. spott spittle, slaver; from the root of E. spit. See {Spit} to eject from the mouth, and cf. {Spatter}.] 1. A mark on a substance or body made by foreign matter; a blot; a place… … The Collaborative International Dictionary of English
Spot — (sp[o^]t), n. [Cf. Scot. & D. spat, Dan. spette, Sw. spott spittle, slaver; from the root of E. spit. See {Spit} to eject from the mouth, and cf. {Spatter}.] 1. A mark on a substance or body made by foreign matter; a blot; a place discolored.… … The Collaborative International Dictionary of English
Spot rump — Spot Spot (sp[o^]t), n. [Cf. Scot. & D. spat, Dan. spette, Sw. spott spittle, slaver; from the root of E. spit. See {Spit} to eject from the mouth, and cf. {Spatter}.] 1. A mark on a substance or body made by foreign matter; a blot; a place… … The Collaborative International Dictionary of English
Lens (optics) — For other uses, see Lens. A lens. Lenses can be used to focus light. A lens is an optical device with perfect or approximate axial symmetry which tra … Wikipedia
spotted lens — Spot Spot (sp[o^]t), n. [Cf. Scot. & D. spat, Dan. spette, Sw. spott spittle, slaver; from the root of E. spit. See {Spit} to eject from the mouth, and cf. {Spatter}.] 1. A mark on a substance or body made by foreign matter; a blot; a place… … The Collaborative International Dictionary of English
Crescent spot — Spot Spot (sp[o^]t), n. [Cf. Scot. & D. spat, Dan. spette, Sw. spott spittle, slaver; from the root of E. spit. See {Spit} to eject from the mouth, and cf. {Spatter}.] 1. A mark on a substance or body made by foreign matter; a blot; a place… … The Collaborative International Dictionary of English
On the spot — Spot Spot (sp[o^]t), n. [Cf. Scot. & D. spat, Dan. spette, Sw. spott spittle, slaver; from the root of E. spit. See {Spit} to eject from the mouth, and cf. {Spatter}.] 1. A mark on a substance or body made by foreign matter; a blot; a place… … The Collaborative International Dictionary of English
Upon the spot — Spot Spot (sp[o^]t), n. [Cf. Scot. & D. spat, Dan. spette, Sw. spott spittle, slaver; from the root of E. spit. See {Spit} to eject from the mouth, and cf. {Spatter}.] 1. A mark on a substance or body made by foreign matter; a blot; a place… … The Collaborative International Dictionary of English
spot — 01. She was wearing a pink blouse with white and blue [spots] on it. 02. Detectives found [spots] of blood on the floor near where the body was found. 03. There are a few small [spots] of rust on the car, but other than that, it looks pretty good … Grammatical examples in English
History of the single-lens reflex camera — The history of the single lens reflex camera predates the invention of photography in 1826/27 by one and a half centuries with the use of a reflex mirror in a camera obscura first described in 1676. Such SLR devices were popular as drawing aids… … Wikipedia
