Most of the 3D film with which glasses to watch thank you
Look at what you use on the device. There are about three kinds of films, red, blue, polarized and liquid crystal. Red and blue are now rarely used in the theater, usually digital cinema, then more liquid crystal, and the giant screen theater (such as IMAX, Dmax) most of the use of polarization.
They were good, but the price is a little expensive, Hao Rui.
Glasses of the most expensive liquid crystal, but the projector is relatively cheap, polarized glasses are cheap, but the price is much more expensive screening equipment.
