| LCD (Liquid Crystal Display) projectors are devices | | | | of 500:1 to 1200:1. |
| used for displaying presentations or videos in an | | | | Data Signal Ports: These ports on the projector |
| enlarged size. They are the modern replacements for | | | | should be compatible with whatever image source |
| slide projectors and overhead projects which were | | | | they will be paired with. |
| popular earlier. | | | | Keystone Correction: This is the ability to correct the |
| LCD projectors are available in several variants with | | | | image distortion that is created when a projector is |
| differing specifications. Choosing the right projector is | | | | placed at anything other than a 90 degree angle to |
| as simple as knowing what it will be used for. The | | | | the screen. |
| two parameters needed to compare an LCD | | | | Native resolution: This resolution for a digital projector |
| projector are - cost and specifications. Knowing what | | | | is the actual number of physical pixels on the |
| is needed and how much you will need to use the | | | | projector's image chip. |
| various features / specifications of an LCD projector | | | | Projection screens: These screens come in various |
| are going to be will help one compare the projectors | | | | fabrics and sizes. While it's possible to project the |
| with a better perspective. For this reason, it is | | | | images on a blank wall, the best image quality will be |
| important to know the basics of projectors before | | | | achieved by projecting the images on a good screen. |
| comparing them. | | | | Video Format Capability: A digital projector's video |
| Aspect Ratio: It refers to the width vs. the height of | | | | format capability determines which video format data |
| the projected image. UXGA, VGA, XGA, and SVGA | | | | it can accept. Most projectors will offer all three: PAL, |
| resolution all have a 4:3 aspect ratio. | | | | NTSC, and SECAM. |
| Brightness: A projector's brightness is measured in | | | | A wide range of desired projectors can be found by |
| lumens. The more light in the room where the | | | | giving exact specifications on various website over |
| projector will be used, the more bright the projector | | | | the internet. Once these basic features of projectors |
| should be. | | | | are compared and the best suited LCD projector |
| Contrast Ratio: Is the ratio between the darkest and | | | | identified, one can go ahead and compare the prices |
| brightest areas of the projected image. Medium | | | | of the required projector. |
| Contrast ratio projectors can be found with a ratio | | | | |