Godzilla 1998 Open Matte -

Many viewers argue that the Open Matte version feels more immersive on modern 16:9 monitors. If you zoom a 2.39 image to fill a 16:9 screen, you lose the sides. But the Open Matte fits a 16:9 screen natively without cropping the horizontal information. It turns the movie into a pseudo-IMAX experience.

Specific about the Super 35 filming process. Godzilla 1998 Open Matte