Projectors For Computers

Projectors For Computers today have a number of categories. They are used for business presentations, home theater, game playing and more. The technology includes LCD, DLP, LCOS. Our goal is to help you find the right category and model for your needs.

Images On A Projector

Four kinds of images can be shown on projectors for computers — data, video, photos and games. Any computer projector can show all kinds of images, but some can handle certain kind of image better than others. You will want to choose one that does a good job with the specific type of image that you use the most.

Data projectors naturally will be best for data images such as presentations, PDF files and spreadsheets. Home theater projectors will handle full-motion video well. Projectors for computers that do a good job with video will also work well with photos, as photos have a lot in common with video without the complexity of movement.

Portability

Portable projectors are popular for people who carry them to business presentations or to carry to a friend’s house for game-playing.

Resolution

For data images such as a typical PowerPoint presentation, SVGA (800×600) is good enough. Buying a SVGA projector will save you money. However, if you use the projector for more detailed images you will need a higher resolution.

For video, the current high end for high definition is 1080p. This is ideal if you have a Blu-ray or upscale DVD player.

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Widescreen Format

If you have a widescreen notebook or monitor, a computer projector with widescreen format will look better. Widescreen will certainly be best for video and games.

Brightness

Brighter isn’t necessarily better. 1,000 to 2,000 lumens for a home theater projector used in a dark room will give you a bright image. 2,000 to 3,000 lumens is a good range for a portable projector used in a well-lit setting.

Contrast Ratio

The ratio between the brightness of the brightest and darkest areas is the contrast ratio. The higher the contrast ratio the more vibrant the colors and more detail will show up in the darker area of the screen. However, contrast ratio is not too important in choosing a projector.

Connection

SVGA (analog) connector is available for most projectors. You might want a digital connection if your computer has a digital output (DVI or HDMI connector). The preferred connection choice for video is HDMI. But you can also use cables to connect between an HDMI source and a DVI connector.

Technology

Projectors for computers today are based on DLP, LCD, and LCOS technologies.

Inexpensive DLP projectors and some LCOS-based pico projectors project their primary colors in sequence rather than all at once. This results in a rainbow effect. Some people may be sensitive to this effect or find it annoying.

LCD projects don’t have that problem. Standard-size LCOS projectors generally offer the best-quality images, but they are bigger, heavier and more expensive than DLP or LCD projectors.

3D

More and more projectors for computers are claiming to be 3D ready. However, 3D comes in a variety of schemes and don’t always work with all 3D projectors. If you plan on using 3D, make sure the projector will work with your particular 3D source.