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Optoma GT750 3D Game Projector Review

Posted on October 5, 2011 by Art Feierman

Specs Preview

Optoma GT750 Specs
Price 799
Technology DLP
Native Resolution 1280x720
Brightness (Manufacturer Claim) 3000
Zoom Lens Ratio None
Lens Shift Yes
Lamp Life 3000 hours
Weight 6.5
Warranty 1 Year Parts and Labor (3 mo. on lamp)

Optoma GT750 Projector Overview

I may not be a gamer, but I understand why Pete my hard core projector gamer blogger, likes the Optoma GT750, and before it, the GT720. He's already published his blog on it, and I've included some of his comments about the GT750 as a game projector.

Optoma's new GT750 projector, which should be shipping by the time you read this, is a 3D capable 720p resolution projector that sells for under $800. It seems especially competent at game playing but definitely also makes a fine general purpose home projector for your family room, garage, bonus room, or spare bedroom (or even the backyard?)

The GT750 is another very short throw projector. As such, it sits relatively close to the screen, and typically out of the way, for active gamers, such as Wii Sports gamers. Six feet away will create a 100" diagonal image. The projector has lots of fixed lens offset. That means it sits low, well below the bottom of the screen. In the practical world of bedrooms, family rooms and bonus rooms, that means it can sit on a low table or the floor, or raised perhaps a foot from the floor, depending on how far off the floor your screen area is.

Physically, it's a pretty small projector, and like the other GT projectors, it has a cross-over heritage. Elements like built in speakers, and lots of lumens, make the GT750 an excellent sub-7 pound portable. Hey, it even comes with a trendy little red and black backpack to take it to your next meeting.

Let's get started!

Optoma GT750 Projector Highlights

  • 3000 lumen claim makes it one of the brightest projectors around, for the home, and that's a 500 lumen jump over the GT720
  • Color performance is good for a low cost projector
  • Supports 3D, including 1080p 3D such as Blu-ray 3D
  • Brilliant Color ups the dynamics - adds "pop and wow"!
  • 3000/5000 (eco/high power) lamp life - excellent - better than most
  • Built-in speaker 10 watts - with significant sound (no deep bass, of course)
  • Portable - the GT720 comes packed in a backpack - take it with you
  • Fixed, very short throw lens - place it close, but no zoom for additional placement flexibility
  • Can double as a low cost, portable business projector, with a handy short throw lens (and backpack to carry between appointments)
  • Under $800

Optoma GT750 Special Features

GT750 3D Capabilities

Now we're talking! The GT750 likes everything 3D.. Unlike the GT720, which can only handle 720p content, the GT750 handles 1080 res, as well, including Blu-ray 3D. Although my PS3 did stumble once or twice, insisting with a Blu-ray 3D movie, that I didn't have a 3D display, it worked fine the rest of the time. My other player - a Panasonic Blu-ray 3D player, never had an issue.

The 3D picture really looks good. Brightness is a whole lot better than most of the more expensive projectors to hit so far, as this is home entertainment, rather than home theater. Colors in 3D look pretty good, but they could be a bit better. The controls don't allow a lot of fine tuning of the color. The HD33 uses RF glasses and it comes with an emitter. It can also output DLP-link, for glasses compatible with that system. You'll see a lot more red in the image when set to DLP-link and those glasses, to compensate for the tint of those glasses.

Find a big screen, or a big wall. 3D is all about immersion. Get close - the 3D on the GameTime 750 is a blast.

GT750 As a Gaming Projector

Pete says:

It's not a stretch to say the Optoma GT750 is a great all around gaming projector. Though only 720p, it throws an extremely bright and respectably sharp image. Just like it's older, but less capable brother, the Optoma GT720, the Optoma GT750 tests at ZERO input lag. I had no hint of lag at all when playing the newly released Gears of War 3, and the GT750 ran the fast paced and extremely time sensitive game Amplitude (my qualitative lag test) without a hitch.

For the price I find it very hard to complain...but there are some things the Optoma GT750 could do better. Partially due to the extreme brightness of this projector, the black levels are not as strong as some of the other projectors that retail for a few hundred dollars more. It is in no way hindering to game play, but if you are used to playing on a higher level projector it can make some of the darker games like Resident Evil 5 seem washed out at times. Check out my full review for more details on how the Optoma GT750 compares to its year older brother. (Optoma GT720).

Click for a link to Pete's full blog on the GT750.

Scott too will have his input about its gaming abilities to add to this review when he finishes "playing" with it.


GT750 Lamp Life

Rated 3000 hours at full power, and 4000 hours in Eco-mode, the GT750 is offering up a longer life than most projectors. That should keep your cost of ownership below average. Their lamp price too, is affordable with an MSRP of $195.

Very Short Throw Lens

This allows the projector to be placed close to the screen - about five feet away from a 100" screen. This is handy for game playing, easy to have the projector in front of you, say on a table, and out of the way when playing action games like Wii Sports. The projector can be ceiling mounted as well. As for rear shelf mounting - the very short throw makes that impractical. That the projector lacks lens shift, seals its fate when it comes to shelf mounting.

GT750 Projector - Audio

The Optoma GT720 does fine on audio. I barely used the two 5 watt speakers, as I prefer my sound system for movies, sports etc. Pete, however, thought the audio was rather good for a small projector. No deep bass, of course, but a good balanced not tinny. Not bad for a small projector, but seriously, it's not like having a surround sound system with a sub-woofer!

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