Not long ago, it seemed that if you wanted to focus your camera lens so everything beyond a certain distance was in focus, you would turn your focus ring to the “infinity” setting. The lens barrel had engraved or painted markings displaying distances in feet and/or meters and just past the highest digits was this symbol: ∞ [...]
Then… autofocus was invented.
Who Killed Infinity Focus? —B&H Photo
Shared on Aug 25, 2014