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Optoma EH320USTi Ultra-Short Throw Projector Review - Summary

Posted on March 18, 2016 by Art Feierman

The Optoma EH320USTi projects a reasonably bright and very sharp image (with it 1920 x 1080 native resolution) that is well suited for either the conference room or classroom.   While the measured white brightness is consistent with the manufacturer's 4000 lumen specification, the color brightness is considerably lower.  It is an ultra short throw model and can be positioned above or below the screen (but above the screen is certainly the preferred location when creating an electronic white board) and just a few inches back from the white board/screen/wall.  This mounting arrangement will work well in many cases, but not in all cases.  In keeping with its business and education classification, the Optoma EH320USTi can be controlled and managed from a PC over the local area network.  The EH320USTi comes with an interactive touch module that when used with the projector and a connected computer, running the supplied software, can be used to create an electronic white board.  This setup supports both use with the  supplied interactive stylus pens and also with finger touch of the whiteboard.  This provides a very versatile classroom or boardroom presentation tool.

A couple of things that I found missing, as compared to the features offered by some other interactive projectors, was (1) built-in tools for PC-free presentations from files stored on a USB flash drive; and (2) built-in features for collaboration (such as split screen modes for displaying content from multiple mobile devices or PCs on the network).  The absence of these features may not be of concern in many cases, but it you really need these features then you will probably want to consider competing projectors.

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  • Higher native resolution (i.e., 1920 x 1080) than competing ultra short throw education and business projectors
  • Excellent text readability
  • Includes interactive touch module for use of either passive stylus pens or finger touch to create an electronic white board
  • 3D support included that is compatible with Blu-ray 3D
  • Very good network support for control and monitoring of multiple projectors
  • Good 3 year warranty on the projector (1 year on lamp) with an express replacement service.
  • Good picture with fairly accurate colors possible with the User Display mode and with user adjustments
  • Ultra short throw provides convenient mounting, in many classroom or conference room layouts
  • Convenient access to projector's lamp for when replacement is needed


  • Cannot create custom picture settings for any but the single User Display mode
  • Color Brightness much lower than White Brightness
  • RGB Gain adjustments for color temperature did not work as intended on the review unit
  • Only fair color accuracy for the best out-of-the-box factory pre-set Display modes
  • Less support for PC-free presentations than some competing projectors
  • Less support for collaboration among multiple users than some competing projectors
  • Projector's control pad only offers power and input buttons meaning the remote control is therefore needed to setup and operate the projector (network based control could be used for certain functions)
  • Remote control lacks backlight


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