Original sentence: (Television used the standard 4:3 ratio, too.Also the area of the retina used for detailed vision is circular, not rectangular, so this rationale for the widescreen format is rather suspect.Classical film was projected at a ratio of four units wide to three units tall, often expressed as 4:3 or 1.33:1.However, on closer examination it appears that the human field of vision, based upon the angular ratio of our fields of view (180 degrees horizontal, 135 degrees vertical), is in fact closer to the older ratio of 4 to 3, and not widescreen ratios such as 16:9 or 2.35:1.One rationale for widescreen is that, since the human eye has a field of view that extends farther to the sides than it does above or below, a widescreen image makes more effective use of the field of view, thereby producing a more immersive viewing experience.Wider aspect ratios were developed in the 1950s in a vain attempt stop the fall in attendance due, partially, to the emergence of television in the U
Edited sentence: Also the area of the retina used for detailed vision is circular.Classical film was projected at a ratio of four units wide to three units tall 4:3.However on.It does however bear quite a resemblance to the shape of the.Most recently, television has 'gone widesceen' though it is unclear why, as it is inefficient and esthetically ugly, historically most artists prefered to work in 4:3 rather than a 'widescreen' format.The rationale is that, since the human eye has a field of view that extends farther to the sides than it does above or below, a widescreen image makes more effective use of the field of view, thereby producing a more immersive viewing experience.Wider aspect ratios were developed in the 1950s, as the emergence of television caused cinema audiances to dwindle, in a vain attempt stop the fall in attendance.closer examination it appears that the human field of vision, based.so the so rational for the widescreen format is rather suspect.space above peoples heads in cinemas.upon the angular ratio of our fields of view, 180 horizontal, 135.vertical, is infact 4:3 (or 1:1.33) not 16:9 or 2.35:1