blue bubble: Kern-Paillard Switar 75mm f1.9 modified Sony E mount
blue bubble: Schneider-Kreuznach Retina Xenon 50mm f2.0 from Kodak Retina II modified L39
blue bubble: Schneider-Kreuznach Retina Xenon 50mm f2.0 from Kodak Retina IIa modified L39
blue bubble: Rodenstock Retina Heligon C 50 mm f2.0 from Kodak Retina IIIc modified L39
blue bubble: Schneider-Kreuznach Componon-S 50mm f2.8 Enlarger modified to L39 mount
blue bubble: Wollensak Anastigmat 44mm f3.2 from Bolsey 35 model B modified L39
blue bubble: Schneider-Kreuznach Componar 75mm f4.5 Enlarger modified M42
blue bubble: Kodak Retina Ektar 5cm f3.5 from Kodak Retina I pre-WWII modified L39 mount
blue bubble: ROW Rathenow Diarectim V 100mm f3.5 Projection lens modified M42 mount