dual lens
21Headlamp — Headlight redirects here. For other uses, see Headlight (disambiguation). High Beams redirects here. For the urban legend also known by that name, see Killer in the backseat. A motor scooter s front with an impractical number and variety of… …
22Comparison of movie cameras — See list of movie cameras for a comprehensive listing of movie cameras. The following tables make a comparison of movie cameras that are in common professional usage in recent years. This list is strictly limited to film based cameras, in order… …
23Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …
243D film — For more information on 3D film titles, see List of 3 D films. A 3 D (three dimensional) film or S3D (stereoscopic 3D) film[1] is a motion picture that enhances the illusion of depth perception. Derived from stereoscopic photography, a… …
25Metamaterial antenna — This Z antenna tested at the National Institute of Standards and Technology is smaller than a standard antenna with comparable properties. Its high efficiency is derived from the Z element inside the square that acts as a metamaterial, greatly… …
26DVD — This article is about the storage media format. For the binocular vision condition, see Dissociated vertical deviation. DVD DVD R read/write side Media type Optical disc …
27Telescopic 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… …
28Optical microscope — Microscope Uses Small sample observation Notable experiments Discovery of cells Inventor Hans Lippershey Zacharias Jans …
29Marine Le Pen — Marine Le Pen, president of the Front National pictured in January 2011 2nd President of the National Front Incumbent …
30photography, technology of — Introduction equipment, techniques, and processes used in the production of photographs. The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… …
