Bokkeh Icarex B50-52mm Thread Filter Adapter
52mm Filter Adapter for Icarex Lens B50 Series Suitable for lenses below: Distagon F4/25mm Skoparex F3.4/35mm Ultron F1.8/50mm Tessar F2.8/50mm Color Pantar F2.8/50mm Dynarex F3.4/90mm Super-Dynarex F4/135mm Both BM and M42 mount lenses are B50. After mounted the adapter you can use 52mm filter and lens hood. Save you lots of Money.
