Mitakon Speedmaster 135mm F1.4, world's fastest 135mm lens, is up for pre-order

Mitakon Speedmaster 135mm F1.4, world's fastest 135mm lens, is up for pre-order
ZY Optics, a Chinese company that sells …
Source: dpreview
Mitakon Speedmaster 135mm F1.4, world's fastest 135mm lens, is up for pre-order