<ul><li>Use your existing filters and hoods on different lenses!</li><li>Made in Germany</li><li>Matte black finish with absolutely minimal reflections</li><li>Limited Lifetime Warranty against manufacturing defects</li></ul><br><br>The Heliopan 194 Adapter Ring 55/46 adapts a 55mm filter to a 46mm lens thread. Adapter rings allow photographers to attach larger filters and lens hoods to smaller lens threads. This saves buying and carrying filters for each lens thread size you own.