ZEISS OPTON SONNAR 1:4 f250mm T lens. This is a rare lens and was originally supplied with the hasselblad 1600f camera. The first 6x6 SLR. The lens needs to have the aperture blades assembled. Some of the blades are included in the deal as well as the lens hood rear lens cap and the hasselblad leather case. All else seems to be there, just assembly and service needed. on this rare find for collectors.