Are 3D glasses compatible?

[Boeriemore]

Active 3D glasses vary in prices and I was wondering whether I have to buy Epson glasses to match my projector or whether there are cheaper glasses which will work just as well.

 

[windshear]

 

[reactor_sa]

 

[Boeriemore]

 

[chrisc]

 

[ingenieus]

 

[windshear]

 

[user 1447]

 

[SFW]