I am selling one of my Carl Zeiss Jena Sonnar 180mm f2.8 lens  with Pentacon 6 / P6 bayonet connection.
Pictures show the original lens that I am selling here. 
It has beautiful bokeh and is very sharp with high contrast.
With an adapter, this lens can be used on any digital system camera.

where:
-Lens Carl Zeiss MC Sonnar 180mm f2.8 with rotatable tripod clamp +tripod adapter
-Original lens hood
-Original front and back covers
-Pentacon - M42 adapter



Focus and aperture are easy to move
The blue Zeiss coating is flawless
The lenses are clear, clean, with no fungus, haze, or scratches
The 7 aperture blades are fast, clean and not oily
Filters: 86mm
Aperture: f 2.8-32 with 7 aperture blades
Closest focusing distance: 1.7m
Connection: Pentacon 6 / P6