52mm to Bay 57 Step-Up ring (Gar #filtring #52mm Bg#2 item#52/Bay57)

Fits a 52mm lens filter thread to allow Bay 57 filters to mount

52mm lens mount to allow Bay 57 filters to mount

Fits Hasselblad B50 filters

Step-Up

Quality machining

Metal

Tiffen USA

No box

New

As pictured