Movies are often shot with anamorphic lenses which are lenses with a sort of vertical cylinder shape. This lets wider aspect ratios be shot using the full frame

Movies are often shot with anamorphic lenses which are lenses with a sort of vertical cylinder shape. This lets wider aspect ratios be shot using the full frame of a more square aspect film or sensor. https://www.bhphotovideo.com/explora/amp/video/buying-guide/guide-anamorphic-lenses-and-adapters https://www.bhphotovideo.com/explora/amp/video/buying-guide/...