Zeiss UV-Sonnar 4.3/105mm

Very rare all-black Carl Zeiss UV-Sonnar 4.3/105mm made in 1967 (total production 73 lenses for Hasselblad C), designed to be the ultimate lens for the invisible light photography (also ultraviolet, fluorescence and shorter waves photography), the elements of this lens are made from quartz and fluorite, the construction is 7 elements in 7 groups.

Photo credit: © Leitz Photographica Auction