The Hasselblad B50 Haze Filter 50 1x HZ-0 is an original filter for Hasselblad lenses with a B50 bayonet mount. It is designed to filter ultraviolet light and help reduce atmospheric haze without requiring exposure compensation. It can also provide protection for the front element of the lens. This filter is suitable for various classic Hasselblad V-system lenses with a B50 mount, including selected Planar and Sonnar lenses. Serial number: 50067.