Vintage reversing adapter ring / macro coupler M 49 for Pentax K bayonet camera mount.


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Product Info:
This reversing ring allows you to mount any 49mm front thread lens in reverse on any Pentax K bayonet mount camera. Recommended for use with standard (40-60mm) lenses. Reversing the lens greatly increases the macro reproduction capabilities whilst maintaining very high optical performance - a great alternative to a buying a dedicated macro lens. Also known as an inversion ring, reverse adapter, reverser or reverse adapter.