I think it is probably a new design because I haven't seen anything similar to it. Of course, it may be a copy of a 50mm or 100mm design- I don't know.
Zeiss does make a lens somewhat similar in appearance, but it is a 50mm macro 1:2 magnification, not a 60mm 1:1 like this one.
Zeiss does make a lens somewhat similar in appearance, but it is a 50mm macro 1:2 magnification, not a 60mm 1:1 like this one.