"Green Lantern" director Martin Campbell opposed releasing the blockbuster in 3D as he is convinced the effect ruined "Clash Of The Titans."
The DC Comics adaption, which stars Ryan Reynolds and Blake Lively, is set to hit the big screen in 3D next month.
The director has applauded James Cameron for his use of the technology in "Avatar," but admits he had reservations about using it in his own movie after being unimpressed with 2010's "Titans" film.
He tells Total Film magazine, "There was little talk of 3D when we started. It does nothing for me.
"I enjoyed Avatar and I thought it was so beautifully done, but Cameron's a genius with that stuff. But just go and see Clash Of The Titans and that will give you a headache for a start."

Campbell is also convinced that one day audiences will tire of watching 3D movies: "Of all of these post-3D films you do get a sense that they're cashing in on the ticket price. The problem is that finally the audience will wake up and realize that perhaps the quality of 3D bang for their buck doesn't work out."

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