I don't think it's really about weather converted or native 3D works, it's which has the better natural feel and look. In other words if I shoot something in 2D standing in front of a subject and post convert that with DVD Fab how does it compare to native shot 3D? The answer: it doesn't compare. In all my tests it looks unacceptable but some of the best conversions are enough to fool you, but not at this price level.
Most of the converted films I've seen, the 3D isn't that impressive. But with so much CGI going on they really don't have much choice. Not all are that way fortunately, films like the Hobbit have a larger portion of scenes native shot. Maybe I'm more biased because I actually shoot 3D like some here and can see the differences first hand. When you convert 2D, all the natural perspective is lost. I see it as an eyesore and it stands out immediately that something is wrong. DVDFab 2D to 3D conversion and the built in LG converter are pretty similar, there's more effect with DVDfab. With DVDfab I immediately see the sides pushed back but there's no sense of perspective, and when the camera is panned there's a rolling wave through the image. I haven't tried PD, but I suspect it works very similar to DVDfab.
There's very few converted 3D movies that I've found to actually benefit from the conversion, but no where near where they'd be if they had a larger portion of native shot scenes. Jurassic Park, Titanic, Predator, to name a few. They put lot of rendering and painting in time, something like six months work on these, but that's much more than what you're talking about with a real time converter. Same with Pacific Rim or Avengers, there's a lot more going on than real time.
So to compare a real time converter like PD to a production team like Legend3D can't be used to justify the use of 2D to 3D conversion for 89.99. 2D to 3D conversion is expensive and basically you get what you pay for. Real time conversion alone isn't enough to give a convincing 3D perspective which is why there's so much more going on with this big budget conversions. If they used DVDfab I think everyone would walk out of the theater.
Obviously I know you know the differences here, just saying a matter of what you find acceptable. PD and DVDfab to convert entire 2D movies? If I already found I, Robot unacceptable why on Earth would I do it with a consumer program for 89.99? Not to mention a lot of the negative press on 3D is from cutting corners like this which has a negative impact on the use of 3D. When I view 3D I want to be wowed by it, not distracted by the unnatural bubble effect or rolling waves. But at least converted movies like Pacific Rim have been polished to an acceptable degree by a team of professionals not ran through a quick algorithm with a push of a button. I give them a lot of credit for trying and some do work in a very convincing way, some more than others.
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Last edited by tomtastic; 05-31-2015 at 12:35 PM.