Single pin hunting sight with the Retina Lock Pro alignment technology and Rapid High Pitch range adjustment. Pin can be adjusted from 20 yards to 50 yards in only a quarter turn of the adjustment knob. Features tool-free micro adjust windage and elevation as well as an adjustable zero stop that lets you easily return the sight to any desired yardage. Includes built in sight level and 2nd axis adjustment. Sight housing is threaded for optional magnified lens (sold separately). (2) Marking sight tapes included.