Comparing Projectors

In: Random

8 Oct 2010

LCD (Liquid Crystal Display) projectors, display devices used for shows or videos on an enlarged scale. These are the modern replacement of slide and overhead projector projects were popular in the past.

LCD projectors are available in several versions with different specifications. Choosing the right projector is as easy as we can, we will use it. The two parameters needed to compare to a LCD projectors– and cost requirements. Knowing what is needed and how to use the different features / characteristics of an LCD projector will help you compare one of the projector is in a better perspective. For this reason it is important to know the basics of front projectors, if you compare them.

Aspect ratio: Refers to the width vs. height of the projected image. UXGA, VGA, SVGA and XGA resolution and a 4:3 ratio.

Brightness: The brightness of projector is measured in lumens. The more light in the room where the projector is used, the more bright the projector should be.

Contrast ratio is the ratio between the brightest and darkest areas of the image. Contrast medium-sized projector in the ratio: 500:1 to 1200:1.

Signal Data ports: port on the projector must be compatible with any source files will be paired.

Keystone Correction: This is the ability to appropriate the image distortion is created when a projector is available in anything other than a 90 degree angle to the screen.

Native Resolution: This resolution digital projector is the actual number of physical pixels in the image of the projector’s chip.

Projection screens: These screens come in various fabrics and sizes. Although it is possible to project images of a bare wall, projecting the best image quality of the pictures is a good screen.

Video format function: The digital video format projector ability determines which video format is able to receive data. Most projectors offers all three: PAL, NTSC and SECAM.

Many home theater projectors, and even pocket projectors, are intended for specific information on different web site on the Internet. Once these basic characteristics with respect to the projector, LCD projector, and most identified, we can go ahead and compare the prices of projectors needed.

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