Viewsonic PJD5123 DLP Projector Review
The Viewsonic PJD5123 is an entry-level DLP projector that's bright enough to satisfy most demands.
The thow (distance between the projector and the screen) on the PJD5123 is relatively inflexible. The distances required for different screen sizes are outlined in the chart below. As you can see, this projector's ability to mediate distance with its 1.1x zoom lens is relatively minor.
The PJD5123 has a reasonable brightness level, and as a result, is able to project a bright image for even a relatively large screen size. It shouldn't look too washed out, except under the brightest circumstances.
Because of the brightness of the PJD5123, it can project a 140-inch screen with sufficient visibility in a dark setting. As for a bright room, you'll be limited to a 64-inch screen if you want to be able to read it clearly.
If you are forced to give an extemporaneous presentation, you might be at a loss for dedicated projection screens. We throw some text up on various surfaces to simulate this sudden, harrowing event. Even though the PJD5123 offers a few modes intended to give a better picture on black, white, and green boards, we preferred the Brightest setting. From beige walls to wood panels, the brightest image will give you the best legibility.
The PJD5123 has a manual focus ring made of the same cheap plastic as the rest of its casing. It doesn't feel very effective, but maybe that's because "in focus" to this projector is still sort of blurry due to resolution scaling. Pixels aren't surrounded by too much of a flare, but they do stretch into 2, or 4 pixel blocks due to bad scaling and keystone settings. High-frequency patterns have an especially difficult time with keystone distortion. Also, we found purple and green dropshadows subtly highlighting objects from the top and bottom, respectively.
The PJD5123 has a few video processing features that are mostly for correcting synchronization from a computer source.
The PJD5123's native resolution is 800 x 600, also known as SVGA. This is yet another indicator that this is a projector intended for classroom and business use, not for home theaters. It can scale to accommodate most other resolutions, but tends to do a poor job of it.
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