The Optoma ML500 3D mini projector has more than one ace up its sleeve. Its LED backlight gives it a long life, and its decoder chip reads many file formats without resorting to a computer.

Optoma ML500 directly reads many formats and multimedia LED backlight gives it a long life.

Optoma developed its family of mini-projectors with the Optoma ML500. A device running a DLP chip and a LED backlight system. The peculiarity of this last and provide brightness, depending on manufacturer, AND 500 lumens. Earnings: Ensure projections in good conditions without plunging the room into darkness.
Projections without PC

The Optoma ML500, like many of its competitors, has a USB port (Host) on which it is possible to connect a USB flash drive. The goal: to read and view different file formats without the need for a computer. Optoma promises a good multimedia support for both video (AVI, MOV, MP4, 3GP, TS, WMV, MKV, RM), music (MP3, ACC, WMA, OGG, WAV), pictures for office documents (DOC, XLS, PPT, PDF).

Display from USB

Most original, the unit is compatible with the USB display. Thus, the manufacturer indicates that it is possible to project images from an iPad 2 and other tablets visibly.

The 3D option

For the rest, the 3D mini projector looks pretty standard. The definition of the projection is confined to the first level of the high-definition (1280 points per 800) and the contrast ratio is announced in the middle (3000:1). Users wishing to give relief to their projected image will invest in the Optoma 3D-XL coupled with a Blu-ray 3D. Optoma ML500 3D is available at 649 euros, but it is already announced on the Net at prices more competitive (525 euros in large signs) compared to the competition.
Pros:
+Brightness
+3D compatibility

Cons:
-Price

This was all regarding one of the promising 3D projectors Optoma ML500.