For Hasselblad B50 to 52mm 55mm 58mm 62mm 67mm 72mm 77mm 82mm Filter Adapter Ring
Product Feature:
made of aluminum, anodized black
It allows Hasselblad lenses to use regular threaded filter. This adapter ring allows you to mount 52mm 55mm 58mm 62mm 67mm 72mm 77mm 82mm filters and accessories on to a Hasselblad Lenses with Bay 50 filter mount.
The mount of the adapter ring connected to the lens can be adjusted. to make it tighten or loosen.