Wide, ƒ/2.8, 230 g
From Photospecialist
Carl Zeiss Biogon-ZM 2.8/28mm T* black
Clifton Cameras
Zeiss Biogon T* F2.8 28mm ZM Leica Fit - Black
Amazon
Carl Zeiss 1365-655 Telemetric Lens for Leica M Mount Biogon T 2.8/28 ZM Silver
WEX Photo Video
Zeiss 28mm f2.8 Biogon T* ZM Lens for Leica M - Silver - Sliver