
The lights can stay on and the shades can stay up when using the Panasonic PT-VMZ71 projector thanks to 7,000 lumens of light that can lower the chances of image washout. Its laser-based design doesn’t require much in the way of maintenance, and the projector’s optics offer a wide zoom and image shift range. Notably, this is the smallest and lightest 7,000-lumen projector you can buy today, even compact enough to be considered for portable applications.
On the other hand, it lacks some bells and whistles found on other projectors—such as built-in Wi-Fi—and its permanently attached lens means you’ll have to make it work for your setup without additional lens options. But overall, the $3,869 PT-VMZ71 is a winner of a low maintenance projector and a value king in its class.
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The Panasonic PT-VMZ71 boasts 7,000 lumens, specified as an ISO/IEC 21118 measurement, an ANSI near-equivalent. This should be more than enough to keep the lights on and the shades up for most boardroom presentations, schoolroom classes, or house of worship services. At $3,899, it’s simultaneously one of the brightest and most economical projectors in its class along with being the most compact, measuring 15.71 x 5.24 x 13.7 inches (WHD) and weighing just 15.4 pounds.
The PT-VMZ71 is sold as the PT-VMZ71U7 in a white case (which I tested) or as the PT-VMZ71-BU7 in black; both models are offered in 1920×1200 pixel, 16:10 WUXGA resolution. If your company, church or school doesn’t need the optical punch of 7,000 lumens and money is tight (when isn’t it?), the PT-VMZ61 is identical but tops out at 6,200 lumens and sells for $3,200, while the $2,500 PT-VMZ51 can get to 5,200 lumens. Finally, Panasonic’s PT-VMZ51S comes in at $2,400 but lacks the HDBaseT connection for control and feeding uncompressed video via Panasonic’s Digital Link technology.

Under the skin, Panasonic’s Solid Shine blue diode lasers, along with a phosphor wheel, create blue and yellow beams which are split up into red, blue and green streams using three dichroic mirrors. These individual rays converge on three 0.64-inch LCD panels that create the final image for the output lens. As always, the three-chip LCD architecture provides equal color and white brightness and immunity from the rainbow artifacts that can afflict some single-chip DLP projectors.
With the laser illumination engine rated for 20,000 hours to half life, the lifespan of the PT-VMZ71 could translate into about a dozen years if it’s used for 8 hours a day and 200 days a year at full power. That can be lengthened to 24,000 hours with the projector’s lower-power Eco mode, though at the cost of brightness.
Unlike some competitors that use sealed optical elements, the PT-VMZ71 requires a dust filter. Rather than go with an automatic cleaning system as found on some projectors, the PT-VMZ71’s filter requires no maintenance in normal dust conditions. Cleaning interval for the filter varies with the environment, but the filter is rated for 20,000 hours without cleaning if dust conditions don’t exceed 0.08mg/m3, or 10,000 hours if conditions are just under 0.15mg/m3. The filter can be washed twice before needing to be replaced. It took less than a minute to swap one and a new filter costs $80.