LED Projector Review – 3M MPro110 Pico Projector
While the 3M MPro110 LED projector may not be the smallest one out there, it still has to be described as tiny. (Click on this image for a larger verson.) The MPro110 is the projector on the left – the pico projector in the middle is the Optoma Pico PK101, and on the right, the Aiptek V10 Plus. The MPro110 is roughly 4.5 inches long, by 2 inches wide, by 7/8 inches high.
OK, let’s start facing the front of the MPro110 projector. The front houses the recessed lens, which is a fixed focal length (no zoom). To the left of the lens just sticking out slightly is the the focus knob (which is actually on the top of the projector.
The right side of the projector (again, looking from the front) has the slider power switch near the back. On the left side, almost to the back is the receptacle for the power cord (with power brick). I might as well mention now, that the battery in the MPro110, only charges when the power supply is plugged in, AND, the projector is off. If you are running the projector off of AC power, the projector battery does not recharge. That’s not ideal, but not likely to be a deal breaker for almost anyone. There’s a pair of LED power lights on the top, by the back, to indicate when the projector is on (green), and when it’s charging (yellow). If still plugged in, but the projector is turned off, both lights will be off. Thus, if plugged in and turned off, with no lights on, you know it’s fully charged. Finally, that takes us to the back of the MPro110.
There’s a jack for the composite video input, and a small connector for the VGA input. I’m not sure if that is a proprietary connector or not, but the 3M projector comes with a VGA cable, with the standard HD15 connector on one end, and that connector on the other. Other than that, all there is to report is the not quite rectangular black plastic covering a good portion of the top of the projector to give it a little style. One last note. You won’t find any cooling fan, although there are some heat vents (top and bottom).
3M MPro110 Inputs
As mentioned above, there are two inputs – composite video, and VGA (all shown in the images above. The composite video is a fairly standard mini-jack. The 3M projector comes with a video cable with the mini on the projector end, and a standard RCA jack on the other end that goes into your source. I can’t identify the connector for the VGA. It’s a rather small connector, and recessed. The MPro110 comes with a VGA cable with the standard HD15 connector (found on almost all PCs and monitors), with the connector for the MPro110 on the other end. If you lose or break it, 3M sells a replacement cable. (Sorry people, I don’t think you’ll find this cable at Radio Shack.)
3M MPro110 Menus
Well, if the MPro had a menu, I’d talk about it here. This projector is strictly hook up a source, turn it on, focus, and watch
There’s no remote control either! Let’s face it, there really isn’t much to remote control. I guess you could use a remote to turn it off and on, and to switch sources, but, that’s about it.
3M MPro110 Lens Throw
The lens is fixed – it has no zoom capability. If you want to fill a 35 inch diagonal screen (28 inches wide), the front of the projector needs to be 6 feet from the screen (or wall) that you are projecting on. If you want to calculate based on the distance from the screen, one foot back from the screen gives you a 6.4 inch wide image – which works out to 8 inches diagonal. This amount of throw distance to image size is virtually identical to the Optoma Pico.
There is there no adjustable lens shift, and there is no lens offset either. The correct placement of the projector to get a nice rectangular image is to have the projector lens even with the center of the screen (both horizontally and vertically). I should note that this is the same type of lens design that the Optoma PK101 uses. Because of the 0 offset, if you set the projector at the end of a table, half of the projected image will be above the lens height, half below. If you tilt it up, which of course, you can, then the image will keystone – be wider at the top than the bottom, as you can see from a couple of the images in this 3M MPro110 review.
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