US$ 17.95
with minor cosmetic wear and original coverings
The Nikon 70-210mm f4-5
which is to say
it’s because Nikon later bought this design and called it the Nikonos
Helios-44-2 58mm f2 for M42  type_Lens Cap with minor cosmetic wear andThis Helios 44 2 58mm f2 is a classic Soviet revision of an earlier Zeiss design, designed for the M42 thread mount. Smooth focusing, clean diaphragm, minor internal dust; cosmetic condition is very good. A fun lens in pretty solid shape.