blue bubble: 21520028
blue bubble: 21520023
blue bubble: 21520021
blue bubble: 21520018
blue bubble: 21520017
blue bubble: 21520016
blue bubble: 21520015
blue bubble: 21520010
blue bubble: 21520009
blue bubble: 21520007
blue bubble: 21520006
blue bubble: 21520003
blue bubble: 21520002
blue bubble: 21520001
blue bubble: Wollensak Oscillo-Anastigmat 75mm f1.9-1