lensless
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lensless — adjective see lens I … New Collegiate Dictionary
lensless — lens·less … English syllables
lensless — ˈlenzlə̇s adjective : having no lens … Useful english dictionary
lens — lensless, adj. lenslike, adj. /lenz/, n., pl. lenses, v. n. 1. a piece of transparent substance, usually glass, having two opposite surfaces either both curved or one curved and one plane, used in an optical device in changing the convergence of… … Universalium
Schmidt camera — A Schmidt camera, also referred to as the Schmidt telescope, is an astronomical camera designed to provide wide fields of view with limited aberrations. Other similar designs are the Wright Camera and Lurie Houghton telescope.Invention and… … Wikipedia
Chemigram — is a method of creating art with light sensitive paper. Contents 1 Process 2 Timeline 3 Bibliography 4 References 5 … Wikipedia
lens — I. noun Etymology: New Latin lent , lens, from Latin, lentil; from its shape Date: 1673 1. a. a piece of transparent material (as glass) that has two opposite regular surfaces either both curved or one curved and the other plane and that is used… … New Collegiate Dictionary
Stage lighting — Modern stage lighting is a flexible tool in the production of theatre, dance, opera and other performance arts. Several different types of stage lighting instruments are used in the pursuit of the various principles or goals of lighting.… … Wikipedia
Glasses — Glasses, also called eyeglasses or spectacles, are frames bearing lenses worn in front of the eyes, normally for vision correction, eye protection, or for protection from UV rays.Modern glasses are typically supported by pads on the bridge of the … Wikipedia
Optical tweezers — (originally called single beam gradient force trap ) are scientific instruments that use a highly focused laser beam to provide an attractive or repulsive force (typically on the order of piconewtons), depending on the refractive index mismatch… … Wikipedia
