There are several types of multimedia projectors in the market today. You can use a multimedia projector for many tasks, such as: presentations at the conference, board room presentations, video projected on the wall in your house to watch movies, and much more.
There are many brands and four major types of multimedia projector.

Multimedia Projector Brands and Types
The main consideration is the purpose of a multimedia projectors and use at home or business; this will help you select the features you need. Features to consider include, Image Brightness, Display Area, Wireless, Digital Zoom, Keystone, Slim Size,, rojector Mount, Bulbs, Halide lamp.
There are many brands to choose a multimedia projector from Panasonic, Optima, Epson, NEC, Infocus, and more than that to choose. Types of multimedia projectors include:
• Digital Light Processing (DLP): has a black background more deeply and more portable
• Liquid Crystal Display (LCD): better for color
• TFT (Thin Film Transistor) Active Matrix: a form of LCD
• HDTV home theaters: 480i, 516i, 540p, 720p, 180i, 1080p, 1080i, 1125i (i = interlaced video, and p = progressive scan)

Nextar Multimedia Projector

The contrast is the ratio between the brightest area and the dark of a picture. You'll want to choose a multimedia projectors with a contrast 400:1 or better. The contrast between 350:1 to 6500:1. Resolution is the ability to display the number of pixels that the projector. Projector with a higher resolution projector produces a better quality because there are more pixels per square inch. Basic power point presentation only, you can use low-resolution projector. If you use a lot of color and video, you will need a high resolution projector. Projector resolutions range from 480 to 854 x 1280 x