Aspect ratio

2:1

Univision

http://www.cinematography.net/Files/univision.pdf

• "Currently 65mm is set at an aspect ratio of 1: 2,21 and High Definition at about 1:1,79, so, if we remove the 0,21 from the 65mm, and if we add the same number on top of High Definition TV, we will have a perfect balance between the two: that is, 1:2."

Superscope

https://noamkroll.com/why-the-21-aspect-ratio-univisium-is-now-the-fastest-growing-format-in-cinema/

Media companies

Facebook

• group image, top, 820x250 (3.28)
• event image, in stream 476x250 (1.9)
• event image, top, 826x294 (2.81)
• person image, top, 851x315 (2.7)