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Mitsubishi WD620U Projector Mitsubishi WD620U
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Street Price: n/a
Weight: 7.9 lbs
Aspect Ratio:16:10
Color Wheel:5 segments
Lens:1.5x manual
Lens Shift:No
Lamp Life:3,000 Hrs
5,000 (eco)
Lamp Cost:$349.00
Warranty:3 year
Connectors:  S-Video, Composite, VGA In (x2), HDMI, Network, Audio Out, RS232
Video Formats:  480i, 480p, 720p, 1080i, 525i, 525p, 576i, 576p, 625i, 625p, 1125i

Mitsubishi WD620U
1280x800 Widescreen Projector Review

Jeffrey Janas, March 25, 2010

The Mitsubishi WD620U is an extremely bright projector that is ideally suited to the conference room or classroom that needs a high impact image on a large format screen. The WD620U's WXGA 1280x800 native resolution, driven by a .65" single DLP chip, is combined with a high quality lens and results in a very sharp and vivid projected image. The Mitsubishi WD620U also provides a lot of value for the dollar thanks to a 5,000-hour lamp life, a filter free design, and an exceptional 3-year warranty with prompt replacement assistance.


Brightness: The Mitsubishi WD620U is specified at a peak brightness value of 4,000 ANSI-lumens. The review sample performed very close to this specification, measuring 3,743 ANSI-lumens or 93% of the published specification. The WD620Us brightest output was found with BrilliantColor at the highest setting, standard lamp mode and the Presentation image preset. Switching the lamp mode to low reduced the light output by 19% resulting in 3,019 ANSI-Lumens (Presentation preset with BrilliantColor at maximum).

This amount of light-horsepower gives the Mitsubishi WD620U flexibility in supporting many different viewing environments and screen sizes. On a screen size of 10 feet wide (138 inches in diagonal at a 1.78 aspect ratio) with a gain of one, the WD620U will produce screen brightness of 59.9 ft-lamberts. This degree of brightness was more that sufficient to overcome ambient light when the WD620U was tested in a 'worst case' conference room scenario that consisted of testing mid-day in a corner room with windows on two sides.

Lens Quality and Sharpness: The Mitsubishi WD620U produces a very sharp and clearly defined image across the entire screen width. No noticeable chromatic aberration was identified throughout the zoom range. The WD620U contains a zoom lens with a 1.5 zoom ratio that allows for flexibility in mounting position. For example, the WD620U can throw a 100" diagonal image anywhere between 10.4 to 15.6 feet of throw distance, making this projector suitable for tabletop, mobile classroom cart use or ceiling mounting. The zoom lens at the extremes did not have a significant impact on image brightness. The max brightness value of 3,743 ANSI-lumens was measured with the zoom lens at maximum position (i.e., the largest image possible). Reducing the zoom to the low end reduced max brightness to 3,417 ANSI-lumens or about 90% of brightness at max zoom. The WD620U's image offset is 29% to 32% of the image height depending on the zoom setting. This translates to the projected image starting 16.8 inches from the projector's lens center for a 100" image at the projector's native aspect ratio.

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