Dell's tiny M109S is a palm-size LED projector with a low brightness rating of only 50 lumens, which makes it best suited for very small groups in dark or dimly lit conference rooms. The M109S weighs just 12.8 ounces and even with its cables, AC adapter, and carry case, the M109S has a traveling weight of under 2 pounds, making it a snap to take on the road.
The downside is that Dell had to sacrifice some features in order to achieve the M109S's ultralight design. It has a low native resolution of 858-by-600 pixels, which means you have to turn down the resolution on your Mac and you won't get the best image sharpness and clarity when making presentations. The projector has a small, fixed lens (no optical zoom) with a limited range of focus. It provides only two input options, VGA (you'll need a DVI-to-VGA or Mini DisplayPort-to-VGA adapter) and composite video, but no audio or USB port, and it lacks a remote control and a built-in speaker. It also has no adjustable feet or tripod mount to ...
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Richard Jantz, Macworld.com