What is "IMAX"? What's the difference between ordinary IMAX and laser IMAX?

Digital IMAX: widespread dissemination.

Frame1.9:1; 2K resolution, 2000: 1 contrast, 6FL- 14FL brightness, double hernia lamp; Standard 5. 1 channel.

Laser IMAX: Brightness is better than digital IMAX!

Frame 1.4: 1 (about 100% more pictures than ordinary screens); 4K resolution, 8000: 1 contrast, 12FL-22FL brightness, single laser; Standard 12. 1 channel.

Film IMAX camera is bigger, heavier and noisier than ordinary camera, so it is more difficult to record dialogue tapes when shooting movies. At the same time, its camera can only hold 30 seconds to 2 minutes of film, and its film is more expensive than ordinary 35mm film, so IMAX movies shot entirely with 70mm film are quite rare.

Movie IMAX:

The technical specification of IMAX starts with content production, so the camera bears the brunt.

Most ordinary movies are shot with 35mm film, and its horizontal resolution is about 6000. In order to enhance the image, the film IMAX film is shot with 70mm film, and its horizontal resolution is 18000, which is 10 times higher than that of 35mm film and has 26% more picture content than that of 35mm film.