3M MP225a Pico Projector Review
A deplorably designed pico projector.
This is a hard call. Depending on what you want, we could recommend either projector. The Optoma PK320 is a higher quality device with connectivity for VGA, composite, HDMI, memory cards, and an optional Apple connector. The quality we see comes in the form a much higher peak brightness, better color production, and some more even motion processing.
Yet, if you know that you want a projector just for connecting with your Apple device, and know that you will not be trying to work it in a well lit room, the 3M MP225A is great with these givens.
For versatility and presentability, we go with the Optoma PK320 for the extra $100. For random fun, like projecting movies on your ceiling at night, the 3M MP225A will work just fine for $100 less.
Blacks & Whites
The 3M MP225A was the dimmest pico we tested, and the Optoma PK320 was the brightest. We feel this is such a strong measure of quality for these diminutive projectors because it really determines how versatile they are. If they are intended to be portable, then they should be easy to use in a variety of settings, not just a darkened room.
The Optoma PK320 had a slightly erratic color temperature, but nothing too crazy. If you can overlook slight cooling at the darker end of the brightness spectrum, then you will notice better color transitions for a more satisfying picture.
The Optoma PK320 displayed none of the horrendous artifacts that the 3M MP225A did in our motion tests. We like the Optoma here.
The Optoma PK320 did a slightly better job isolating illumination to single pixels and displaying straight lines than did the 3M MP225A.
The 3M MP225A only comes with one connection: a proprietary Apple connector. The Optoma PK320 has quite a bit more breadth and some built-in memory to make presentations very easy.
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