[Super Rare/A- Mint]Carl Zeiss Jena Planar 250mm f/4 Barrel Lens From JAPAN 7817 

◆Condition Grade
[A- Mint] Pre-owned, almost no signs of use
◆Appearance
Body is clean. It has a few scars. There is tiny signs of use.
◆Optical system
Lens is clean. It has a few tiny dusts & thin scars.
When strong light is hit, there are very thin fungus mark in the periphery of the lens.
(There is no impact when taking a photo.)
◆Functional
All functions are working perfectly.
Note: There are some scars on the aperture blades.
Note: Front & Rear lens can be removed by turning.
Note: The value on the aperture ring and the movement of the aperture blades are reversed.
The minimum aperture is set at f/3, and the open aperture is set at f/48 and beyond.
(Probably the original specification.)
◆Including
Front cap, Rear cap, Lens board attachment ring.
Note: Rear cap is not fit.
www.ebay.com/itm/175413959687