Carl Zeiss CF Mutar 2x T* for Hasselblad V replacement It is not compatible with

It is not compatible with other lenses and will not do anything on its own

good focusing and diaphragm

from manual focus AI optics to the newest AF-S glass (sold separately)

So it will autofocus in theory

with minor internal dust and a slight ding in the filter ring

Carl Zeiss CF Mutar 2x T* for Hasselblad V replacement It is not compatible withDouble the focal length of many Hasselblad V mount lenses with this Carl Zeiss CF Mutar 2x T* teleconverter. You lose two stops of light, which is not insignificant, but it's still a handy tool to keep around. In excellent condition, with clean glass and very minor cosmetic wear.