Zenmuse X5S Balancing Ring (Olympus M.Zuiko 12mm/2.0, 17mm/1.8, 25mm/1.8), Part No. 6 $11.00 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Mount the balancing ring on the designated lens on the Zenmuse X5S for more stable shooting.