![]() ![]() Projections were often presented or perceived as magic or even as religious experiences, with most projectionists unwilling to share their secrets. Many did not understand the nature of what they had seen and few had ever seen other comparable media. Spectators did not always provide the details needed to differentiate between for instance a shadow play and a lantern projection. There probably existed quite a few other types of projectors than the examples described below, but evidence is scarce and reports are often unclear about their nature. Revolving lanterns (see below for details).Mini portable home theatres projector.Enlarger (not for direct viewing, but for the production of photographic prints).Steganographic mirror (see below for details).The magic lantern is best known for the projection of still images, but was capable of projecting moving images from mechanical slides since its invention and was probably at its peak of popularity when used in phantasmagoria shows to project moving images of ghosts. For instance: video projectors were basically developed for the projection of prerecorded moving images, but are regularly used for still images in PowerPoint presentations and can easily be connected to a video camera for real-time input. Some of the listed projectors were capable of projecting several types of input. Projectors can be roughly divided into three categories, based on the type of input. Movie theaters used a type of projector called a movie projector, nowadays mostly replaced with digital cinema video projectors. The newest types of projectors are handheld projectors that use lasers or LEDs to project images. These earlier types of projectors were mostly replaced with digital video projectors throughout the 1990s and early 2000s, but old analog projectors are still used at some places. Video projectors are digital replacements for earlier types of projectors such as slide projectors and overhead projectors. The most common type of projector used today is called a video projector. ![]() A virtual retinal display, or retinal projector, is a projector that projects an image directly on the retina instead of using an external projection screen. Most projectors create an image by shining a light through a small transparent lens, but some newer types of projectors can project the image directly, by using lasers. JSTOR ( January 2023) ( Learn how and when to remove this template message)Īcer projector, 2012 DLP type home theatre projector in useĪ projector or image projector is an optical device that projects an image (or moving images) onto a surface, commonly a projection screen.Unsourced material may be challenged and removed. Please help improve this article by adding citations to reliable sources. * Display Tech: LCD + LED lamp * Contrast: 200: 1 * Luminance: 50 ANSI Lumens * Resolution: 320x240 QVGA * Lens: Manual focusing * Projection Distance: 0.5-3.This article needs additional citations for verification. * Portable Video Projector * 200:1 Contrast Ratio * 1.67 Million Colors Projection * Up to 100 Inch Wide Projection * Micro SD Card * Coaxial TV + HDMI Port But even in the office the "ProView" will perform well. Suitable for various types of use, this video projector lends itself well as a home theatre projector, letting you watch movies up to a 100 inch wide. The "ZVision" Video Projector is the perfect blend between portable, good quality images and a low priced video projector. Get a great video projector without breaking the bank. Budget Video Projector with 1.67 Million Colors projection, 200:1 contrast ratio, Coaxial TV Input and more. If you are not satisfied with product then we are open for very easy return policy. It is useful for Home Entertainment and if you Budget is limited then it best option to buy. It is not suitable for outdoor or office presentation. It is a Budget Projector and you can't compare with High End Sony / Panasonic Projectors. It comes in Two Colors (Black/White) and we send randomly, No color Choice possible. ![]()
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