EXTREMELY RARE HANS SAUER CARL ZEISS 38mm f/4.5 BIOGON LUNAR LENS for RETROFIT. He tinkered with all kinds of lenses that he retrofitted into digital bodies. I don't know the origin of this lens but it is the same early lens fitted into the Lunar Hasselblad cameras. I've included a couple of pictures of the original Lunar Hasselblad camera. (Of course the camera is not included). This Hans Sauer´s Biogon 38 mm f/4.5 lens brainchild for 6 x 6 cm format was called Supreme Wide Angle by Viktor Hasselblad since its very launching into market in 1954. This early 8 elements in 5 groups Carl...
