aperture of screen
101Hyperfocal distance — In optics and photography, hyperfocal distance is a distance beyond which all objects can be brought into an acceptable focus. There are two commonly used definitions of hyperfocal distance , leading to values that differ only slightly:The first… …
102Core Image — Mac OS X graphics model Rendering QuickDraw • Core OpenGL Quartz 2D • Core Image Core Animation • …
103Machine vision glossary — Common definitions related to the machine vision field.Compiled for application on the Society of Manufacturing Engineers interest area.General related fields *Machine vision *Computer vision *Image processing *Signal processing NOTOC 0 9*1394.… …
104iOS version history — Contents 1 Overview 2 Versions 2.1 Unreleased versions …
105Apple Inc. — This article is about the technology company. For other companies named Apple , see Apple (disambiguation). Apple Inc …
106Photon — This article is about the elementary particle of light. For other uses, see Photon (disambiguation). Photon Photons emitted in a coherent beam from a laser Composition Elementary particle …
107Shadow mask — The shadow mask is one of two major technologies used to manufacture cathode ray tube (CRT) televisions and computer displays that produce color images (the other is aperture grille). Tiny holes in a metal plate separate the colored phosphors in… …
108Canon EF camera — lenses. The EF was built as an electronic version of Canon s top of the line F 1 camera. Because of this, the EF shares the F 1 s rugged construction and tough metal body. Unlike the F 1, the EF doesn t support any motor drive for film… …
109Fresnel number — The Fresnel number F , named after the physicist Augustin Jean Fresnel, is a dimensionless number occurring in optics, in particular in diffraction theory.For an electromagnetic wave passing through an aperture and hitting a screen, the Fresnel… …
110Selected area diffraction — Selected area (electron) diffraction, abbreviated as SAD (SAED), is a crystallographic experimental technique that can be performed inside a transmission electron microscope (TEM).In a TEM, a thin crystalline specimen is subjected to a parallel… …
