convex lens

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Related to convex lens: concave lens
concave lens, convex lens - A concave lens is thinner at the center; a convex lens is thicker at the center.
See also related terms for thicker.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.convex lens - lens such that a beam of light passing through it is brought to a point or focusconvex lens - lens such that a beam of light passing through it is brought to a point or focus
lens, lens system, lense - a transparent optical device used to converge or diverge transmitted light and to form images
sunglass - a convex lens that focuses the rays of the sun; used to start a fire
References in classic literature ?
Then with an expression of interest he laid down his cigarette, and carrying the cane to the window, he looked over it again with a convex lens.
He balanced the watch in his hand, gazed hard at the dial, opened the back, and examined the works, first with his naked eyes and then with a powerful convex lens.
FORA Diamond VOICE features a convex lens, a large backlight, and a contrast brightness screen that allows for easier viewing as well as a one-button design.
Eventually somebody placed a third convex lens between a convex objective and ocular, finding this not only resulted in an erect image but could produce even more magnification.
Its revisionism is a convex lens that magnifies its concerns while pushing others, even major ones, to the margins.
Type I : The cross-section surface of the butt is in the shape of a convex lens.
Activity 1 2 3 4 5 6 7 8 9 Flashlight (a) R O O O R R O R Small mirror (b) O O O Aluminum foil R R R O R O Needle R R R R Tape () R R R R Convex lens O Requirements vary O Ping pong ball Activity 10 11 Flashlight (a) Small mirror (b) Aluminum foil Needle Tape (c) Convex lens Requirements vary O Ping pong ball O (a) AA Mini Maglite with LED recommended; LED required for (see text).