The Dell M110 Portable LED Projector
Form Factor: This projector truly is "Ultra-Portable." It is nearly pico sized, but since it has no battery, it does require a laptop style power supply. Its case is almost a perfect 4" square and is 1.5 inches thick. The 12.75 ounce projector weight is light enough to make it effortless to move around, but provides enough heft to impart a feel of quality. The essential 11.25 ounce power supply almost doubles the weight of the projector, but the 1.5 pound projector and power supply weight is still very light compared to small notebook computers and is comparable to the weight of an average 10" tablet computer. We must still note that there are several projectors on the market with a much higher lumen output and an onboard power supply that still manage to stay under the three pound mark so a user is not giving up the lumens to save on weight. The sacrifice of lumens must be for the projector's other attributes.
Image quality: The Dell M110 throws an impressive picture that under the right viewing conditions can surpass the quality of much larger and less portable projectors. In a dark room, the contrast ratio provides great image depth.
A distinct negative to the image performance is color saturation. Primary colors are noticeably over saturated, with green being the most distracting. Each picture mode is affected. The sRGB image mode performs the best (but is still not great) and the Bright image mode has the most aggressive colors. NFL football games were an experience in neon green grass and shades of orange that looked nearly red. Unfortunately, the M110 does not include even a simple Color control, so no adjustment is possible.
While this projector is not a great candidate for dedicated home theater use, the rationale behind Dell's decision to go with an aggressive color palette reveals itself in the office environment. We used temporary DIY screens in two different situations - the 11x17 piece of paper at my desk and a large 36 inch piece of plotter paper. In both situations, under full room lighting and displaying spreadsheets and PowerPoint graphics, the aggressive color balance was not distracting or even very noticeable. The M110's extreme portability and business focus will likely be the impetus for many presentations in non-dedicated environments; I think the overall image quality is impressive for this projector's intended use.
Traditional Video Inputs: The M110 includes a full sized HDMI input, has VGA computer connectivity through the provided breakout cable and a Composite video input via a 3.5 mm adapter cable. Most of our viewing was done via HDMI and we found no issues with the performance. We used a direct HDMI connection from a laptop, a DVI to HDMI cable from a desktop computer, and the HDMI output from an Android cell phone, all with favorable results.
USB Inputs: The projector features a full sized USB type-A input that supports USB Display functionality, access to the internal memory or playback of video, audio or photos via a flash drive. The USB port also supports the optional wireless adapter.Connecting the projector to a computer via USB brings up a menu that allows a choice between Mass Storage Mode for access to the 1GB of internal memory or activation of the USB display mode. The USB connection functioned well for office work, but we noted jitter and lip-sync issues when playing video.
Brightness: Peak brightness of 250 lumens was found with the Bright image preset and Normal lamp mode. Dell specs this projector at 300 lumens. Switching to Eco lamp mode reduces brightness by 15% to 207 lumens. The more color balanced sRGB mode produced 207 lumens. Brightness uniformity was a somewhat low 72%, but was visually consistent across the entire screen.
Keystone: The Dell M110 includes a manual keystone adjustment feature that supports up to a 40 degree incline or decline. Keystone performance was excellent even at extreme levels.
Rainbows: We did not experience any rainbow effect with the Dell M110 via normal viewing or direct testing
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