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How to Buy a New Projector
Color Brightness and White Brightness
Projector brightness is the light output of a projector measured in lumens. There are two important brightness specifications, White Brightness and Color Brightness. If you only see one “Brightness” spec published for a projector model, it is usually the White Brightness rating, and the Color Brightness of the projector may be much lower.
Contrast Ratio
Contrast ratio is the difference between light and dark on a screen, expressed by a number. If you take the brightest white on a screen and the darkest black and compare the luminosity, you get the contrast ratio. For example, a 1000:1 contrast ratio means that the brightest white is 1000x brighter than the darkest black.
Resolution
Resolution is the number of dots or pixels used to display an image. Higher resolutions mean that more pixels are used to create the image, resulting in a crisper, cleaner image. High resolution is important for projecting detailed charts and graphs, text, and high-definition video. The resolution is indicated by a number combination such as 1920 x 1200. This indicates that there are 1920 dots horizontally across the display by 1200 lines of dots vertically, equaling 2,304,000 total dots that make up the image seen on the screen.
Learn more about important technology features and considerations when finding your projector:
Ease of Use
For hassle-free projection, you'll want to look for some features that enable a quick setup — so you can project right away. These include:
Projection Technologies
Wireless & Wired Projection
Connections
Interactivity
Throw Distance and Positioning
Image Position and Adjustment
Networking
Monitor & Control
Installation Projector Advanced Features
- Stacked 3D Solutions
- Split Screen
- DICOM
- Edge Blending
- DCDi
- 360-Degree Projection
Product Support and Reliability
Reliability and the cost to operate your projector depend on one main factor: lamp maintenance. Look for a projector with a long lamp life; at least 3,000 hours is preferred, and about 5,000 hours is typical.