People don't know how to use 3-D: Spielberg

London: Hollywood mogul Steven Spielberg says the 3-D technique is not popular with all movie buffs and filmmakers should not blindly employ the technique.

The multiple Oscar-winning director recently worked as a producer on 3-D movies "Transformers: Dark of the Moon" and "The Adventures of Tintin".

"People who just do 3-D just for the sake of commercialising their movie another five or six percent and they don't know really how to do it, they should care how to do it better by bringing other directors and collaborators into their lives to help teach and instruct how you really make a 3-D movie because it's not just like putting a new lens on a camera and forgetting it," contactmusic.com quoted Spielberg as saying.

The Oscar-winning director recently worked on 3D movie, The Adventures of Tintin.

"It takes a lot of very careful consideration. It will change your approach to where you put the cameras. So, 3-D isn't for everybody," he added.

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