Hasselblad B50 Yellow Green 2x YG -1 for Older C Planar 80 2.8 100 Sonnar 150
To Fit all older C Series Hasselblad B50 (Bay 50) Lenses only as: Planar C 80mm f2.8, Planar C 100mm f3.5, S-Planar C 120mm f5.6, S-Planar C 135mm f5.6, UV-Sonnar 105mm f4.3, Sonnar C 150mm f4, Sonnar C 250mm f5.6, Planar F 80mm f2.8.