Even though it's made of plastic, it's well constructed, especially the base, which is rock solid. Takes a bit of cranking on the screw to get the camera fully seated, more than my battery grip. The monitor swings out smoothly, with detents for rotation. Has a built in swivel HDMI connector, which I haven't seen available anywhere (I'd love to get another one, or 10!). Mine also came with a 90 degree 1/8" / 3.5mm adapter for audio in the outer box, most likely since there's no room to put a straight plug into the audio jack.

On to the screen itself, it's nice and bright, with great colors. I could even calibrate it so it matches my PC's calibrated display. There's no guesswork in setting exposure. What you see on the monitor is what you'll see on your PC. Lots of settings available to tweak it to your preferences. Flips the picture automatically when you rotate to 180 degrees, and the included sun shade (which is very nice) is even reversible.

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The only down points on this product is that it doesn't come with proper battery (just a bad adapter), and its hard to screw to the camera. But aside that its a great product! Very nice crisp images, with focus assist, you can rotate the screen like the t3i.