REVIEW: Carl ZEISS 28mm f/2.8 Biogon T* + 1.5m pcx filter - phillipreeve.net,Contax G Biogon T* 28mm F2.8 with High CP value , Excellent Distortion Control and Zeiss colour. | by LI Sam | Rokkorxblog | Medium,Contax 28mm f/2.8 Zeiss Biogon T* Lens for G-Series, Titanium {46} at KEH Camera,Contax G1 Green Label with Carl Zeiss 28mm f/2.8 Lens,ZEISS Biogon T* 2.8/28 ZM