NOT GIVEN (NG) if it is impossible to say what the writer thinks about this.
1. 3D technology is a modern technology in filmmaking which has never existed before.
2. The main characteristic of a 3D movie is that all the objects and things appear on the screen as in real life.
3. It is not easy to make a film because a filmmaker should exactly understand people’s perception of surrounding reality.
4. 3D technology was invented many years ago but today it is more advanced.
5. Filmmakers try to deceive our eyes and brain using such a technology but all their efforts are in vain.
6. 3D technology is based on the principles of human vision. When you look at an object each of your eyes sees a different image and then your brain combines two different images into one.
7. Parallax is one of the quirks of the new 3D technology.
8. For better perception of 3D movies you have to put on special glasses.
9. It is absolutely safe for everyone and it does not effect the general state of a person.
10. Polarization is a special principle on which the creation of active glasses is based.
11. 3D glasses are the only thing which can help you to see a three-dimensional environment from the screen.
12. Different color lenses of active glasses are used for entertaining a viewer.
13. Cameras for 3D movies are equipped with two identical lenses which in the process of shooting capture the images of each lens on a separate film.