For those who think a teeny, tiny sensor isn't enough . . . check this out

Jock Elliott

Hall of Famer
Location
Troy, NY
Broadcast camera lenses at the Olympics can cost as much as a Lamborghini

A couple of highlights:

"Broadcast cameras use a sensor that’s classified as 2/3-inch, and measures 11mm on the diagonal. By comparison, a high-end DSLR lens with a full-frame sensor (like the ones used on the sidelines) have a diagonal measurement of roughly 42mm. As a result, broadcast cameras need to cram a lot of pixels in a very small area just to get HD quality. The move to 4K is making things even more demanding."

about the lens:

"The UHD DIGISUPER 86 has, as its name suggests, an 86x zoom range. If you’re familiar with focal lengths, it goes from 9.3 - 800mm. The lens also has a built-in extender that doubles the effective focal length from roughly 18mm all the way up to 1600mm, which could easily zoom in on the face of an athlete on the other side of a stadium."

I recommend the entire article.

Cheers, Jock
 
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