Olympus POSR EP11 Anti-Reflective Ring for M.Zuiko Digital ED 30mm f/3.5 Macro Lens - Reduce Lens Flare & Improve Image Quality for Macro Photography & Close-Up Shots

Olympus anti-reflective ring for the M.Zuiko Digital ED 30mm f/3.5 Macro lens.

This ring attaches to the front of the lens and is designed to prevent lens markings from being reflected in your lens port.