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Join Date: Dec 2006
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I'm unsure about the hd33's brightness in 3D mode, when I tried to get measurements from people in the HD33 thread, people gave me a LOT of conflicting measurements. I know the brightness in 2D mode is very good, let's just say the hd33 should be around 800-1100 is about the best I can give you in 3D, sorry.
If I had to guess, 900-1000 might be a safer guess, or just read the reviews, but one issue with some of the reviews is that pre-engineering samples on Optomas do tend to have less brightness than the final revision purchased by users, so that causes an issue as well.
In the Projector Central review, he notes that the Optoma hd33 seems to allow you to change PRESETS even when in 3D mode to a brighter PRESET. If that were true, and we plugin Art's numbers (and not PJC, because IMHO PJC numbers were too low most likely due to some hours on the lamp or lamp variance), but let's say we plug-in Art's numbers, then the hd33 could potentially do 1200+ lumens in 3D. However, the problem becomes this does not match what some other reviewers claim which is that the preset is fixed. To make it more confusing, PJC and projectorreviews.com have very different lumen measurements (10% - 20%). One thing is for certain, the Optoma hd33 is not as bright as the MFR specs claim. Then when I asked users to provide measurements, I got more measurements for the hd3300 (a slightly different version of the projector) and almost none for the hd33. So this is one of the projectors I got stuck out in left field when it came to 3D measurements.
You might ask this question in the hd33 thread (can the brightest preset modes be used in 3D mode or is 3D mode locked?)...