Leica Camera’s short film (2011, ~2.5 minutes) on how their lenses are designed, computed, and ground. The original embed used the old HTTP player.vimeo.com URL, so it has been re-embedded with the current player. Verified still live in 2026 via Vimeo’s oEmbed API.
Leica Lenses (English) from Leica Camera on Vimeo.