Panasonic Zoom Lens 2. The lens makes it possible to vary the projection distance by changing the focal distance. We are determined to provide you with the absolute best customer service in our industry. You can reach us any hour of the day, any day of the year.
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Photos on request. Add to cart. The minimum purchase order quantity for the product is 1. The company was founded in and has grown to become one of the largest Japanese electronics producers alongside Sony, Hitachi, Toshiba and Canon Inc.. In addition to electronics, it offers non-electronic products and services such as home renovation services. Panasonic is the world's fourth-largest television manufacturer by market share.
It has a secondary listing on the Nagoya Stock Exchange. Anamorphic: Process that horizontally condenses squeezes a image into a space, preserving 25 percent more vertical resolution than letterboxing into the space. For the signal to appear with correct geometry, the display must either horizontally expand or vertically squish the image.
Used on about two or three promotional laser discs and many DVDs. Also called Enhanced for Widescreen or Enhanced for Aspect Ratio: The ratio of image width to image height.
Common motionpicture ratios are 1. Television screens are usually 1. HDTV is 1. When widescreen movies films with aspect ratios wider than 1. Government-directed committee that developed our digital television transmission system. Attenuate: To turn down, reduce, decrease the level of; the opposite of boost Black Level: Light level of the darker portions of a video image. A black level control sets the light level of the darkest portion of the video signal to match that of the display's black level capability.
Black is, of course, the absence of light. Many displays, however, have as much difficulty shutting off the light in the black portions of an image as they do creating light in the brighter portions.
Brightness: For video, the overall light level of the entire image. A brightness control makes an image brighter; however, when it is combined with a contrast, or white level control, the brightness control is best used to define the black level of the image see Black Level. For audio, something referred to as bright has too much treble or high frequency sound.
B-roll: Supplementary video of scenes and interviews used to complement the primary video. Cathode Ray Tube: CRT Analog display device that generates an image on a layer of phosphors that are driven by an electron gun.
Chrominance: C The color portion of a video signal. Coaxial: 1 A speaker typically with one driver in the middle of, and on the same axis as, another driver. Codec: Mathematical algorithms used to compress large data signals into small spaces with minimal perceived loss of information Component Video: A signal that's recorded or transmitted in its separate components.
Composite Video: A signal that contains both chrominance and luminance on the same ohm cable. Used in nearly all consumer video devices. Chrominance is carried in a 3.
Poor filtering can result in dot crawl, hanging dots, or other image artifacts. Contrast: Relative difference between the brightest and darkest parts of an image. A light source is then reflected off the reflective LCD and is directed through a lens to a screen Direct-View Television: Display whose image is created on the surface from which it is viewed.
A Texas Instruments process of projecting video images using a light source reflecting off of an array of tens of thousands of microscopic mirrors.
Each mirror represents a pixel and reflects light toward the lens for white and away from it for black, modulating in between for various shades of gray. Three-chip versions use separate arrays for the red, green, and blue colors. Single-chip arrays use a color-filter wheel that alternates each filter color in front of the mirror array at appropriate intervals.
Texas Instruments engine that powers DLP projectors. Uses an array with tens of thousands of microscopic mirrors that reflect a light source toward or away from the lens, creating an image. Each mirror represents a pixel. Dot Crawl: An artifact of composite video signals that appears as a moving, zipper-like, vertical border between colors. DTV: Digital Television.
While the FCC does not recognize specific scan rates in the adopted DTV system, typically accepted rates include i, p, p, and i. Digital signals recorded onto magnetic tape.
See D- Theater. DVD uses a 5-inch disc with anywhere from 4. Requires a DVD-A player and a controller with 6-channel inputs or a proprietary digital link for full compatibility. Backed by Pioneer, Panasonic, Toshiba, and others.
Backed by Hitachi, Panasonic, Toshiba, and others. Connection standard developed by Intel for connecting computers to digital monitors such as flat panels and DLP projectors. A consumer electronics version, not necessarily compatible with the PC version, is used as a connection standard for HDTV tuners and displays.
Transmits an uncompressed digital signal to the display. The latter version uses HDCP copy protection to prevent unauthorized copying. See also HDMI. Dynamic Range: The difference between the lowest and the highest levels; in audio, it's often expressed in decibels.
In video, it's listed as the contrast ratio. Fade: A gradual increase in video, i. Fast File: A video segment with entry and exit points but that is not interrupted by edited-in video clips. Fiber Optic Cable: Glass, plastic, or hybrid fiber cable that transmits digital signals as light pulses. The unit itself is placed within or behind the audience. Gray Scale: The ability for a video display to reproduce a neutral image color with a given input at various levels of intensity.
Hanging Dots: An artifact of composite video signals that appears as a stationary, zipper-like, horizontal border between colors HD, High-Def High-Definition: An image that has a higher resolution and is clearer than other formats. The high-resolution subset of our DTV system. Warning: Last items in stock! Availability date:. What's New!
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