How big is the imax cinema?

The standard IMAX screen is 22 meters wide and 16 meters high, but it can be played on a larger screen, and so far there are more and more IMAX screens.

Image Maximum (IMAX, the abbreviation of image maximum) is a film projection system that can project larger and higher resolution than traditional film. The whole system includes film copy, projector, sound system, screen, etc. shot in IMAX specifications.

IMAX is the most advanced high-precision film system with mature technology in the world. The amazing and crystal-clear images projected on the giant screen, coupled with the shocking sound of IMAX film brought by the most advanced sound system, give the audience the most immersive movie viewing experience in the world. IMAX 3D refers to "giant screen three-dimensional movie". Extended data

IMAX classification:

1. IMAX Dome/OMNIMAX

IMAX

Dome (formerly known as Omnimax, translated into Chinese as a global movie) is used to project on a tilted hemispherical screen such as a planetarium. This system uses a fisheye lens to shoot, so that a 18-degree scene can be imaged on a flat negative. When projecting, another fisheye lens is used to make the panorama reappear on the screen.

IMAX

The horizontal projection angle of Dome is 18 degrees, while the vertical projection angle is 122 degrees, of which 22 degrees is lower than the horizontal line of the projector and 1 degrees is higher than the horizontal line of the projector, which is designed with the inclined hemispherical screen. Some planetariums (such as the Hong Kong Space Museum) use non-tilted hemispherical screens, so the images are always higher than the horizontal line of the projector, and the seats of the audience are more backward than those of ordinary cinemas.

2.IMAX 3D

stereoscopic version of IMAX technology. In order to create a three-dimensional depth of field, IMAX 3D uses dual cameras and dual projectors for shooting and projection.

IMAX

3D projection adopts polarized light projection, and stereoscopic images are analyzed by wearing polarized glasses. Most IMAX

3D cinemas use linear polarizing lenses. Other companies use circularly polarized glasses, which are less affected by the rotation angle of the glasses, and basically do not affect the effect when the audience tilts their heads, unlike linear polarized glasses, which will have a virtual shadow of the three-dimensional picture when the audience tilts their heads.

3.IMAX HD (48 frames per second)

In the new IMAX technology, the frame rate is increased from 24 frames per second to 48 frames per second to reduce the flicker problem. Published at the World Expo in Spain in 1992. However, it was abandoned in 2 because the shooting cost was twice as much as the general one.

4.IMAX Digital

The latest IMAX technology published in 28, the projector is supported by DLP technology, and the resolution of digital IMAX is 2K, which is the same as that of general digital projection, because its resolution is much lower than that of film IMAX.

in order to ensure that the movie picture will not be degraded by enlarging and projecting the giant screen, the digital IMAX screen has been reduced a lot, even the screen is only 8.2 meters high (digital IMAX of Budweiser Studio in Kaohsiung, Taiwan Province), and the original "giant screen and super high quality" of IMAX are lost.

Reference: Baidu Encyclopedia -IMAX