Hawke Sidewinder ED 10-50x60 SF TMX ReticleSpecificationHigh magnification precision optical system.Extra-low Dispersion (ED) glass for optimum clarity.Interchangeable, locking and resettable turrets.(1⁄4 MOA, 1⁄8 MOA & 1⁄10 MRAD)Side focus control for parallax adjustment to infinity.(Patented remov..