18mm T4 - 25mm T3 - 35mm T1.5 - 50mm T1.5 - 85mm T1.5 - 135mm T3

The Zeiss Contax lenses were originally released in the seventies, around the same era as the legendary Zeiss Super Speeds. The Contax lenses have the renowned T* coatings and a wonderful optical design. Originally designed for the stills photography world, these lenses have great Full Frame coverage coupled with an organic character full of soft constrast, subtle flares and gentle blue tints.

• 300 degrees of focus rotation on a non-linear cam;

• replacement circular iris for perfect bokeh, no matter what stop you’re shooting;

• focus and iris gears in the same position in relation to the camera;

• repeatable, individually marked focus scales;

• 95mm fixed front with no telescoping;

• optically aligned to render their true character.
  
  https://www.youtube.com/watch?v=6xaLTL05wcI&ab_channel=JoshHerum