Hasselblad Stepping Ring B50-52mm,B50-55mm,B50-58mm,B50-67mm,B60-58mm, B60-62mm,B60-67mm,B70-72mm,B70-77mm Hasselblad Stepping Ring B50-52mm,B50-55mm,B50-58mm,B50-67mm,B60-58mm,B60-62mm,B60-67mm,B70-72mm,B70-77mm. Hasselblad Stepping Ring B50-52mm,B50-55mm,B50-58mm,B50-67mm,B60-58mm,B60-62mm,B60-67mm,B70-72mm,B70-77mm