Zunow 1.1/5cm Nikon RF 1956 Yoshi Takei 16 Sep 2019 Lenses Zunow 1.1/5cm film rangefinder lens in Nikon RF mount, made in 1956 by Zunow Kōgaku Kōgyō K.K. (ズノー光学㈱. Photo credit: © WestLicht Photographica Auction