Mark 4 4.5-14x50mm SFP LR/T w/ Holland's M1 Knobs This is a second focal plane scope. In order to use the reticle, the scope must be set on the highest magnification setting (i.e. 14x) This scope features a 30mm main tube and 50mm OBJ bell for excellent light transmission. Mark-4 dials have been greatly improved, with bigger, bolder numbers. Due to its second focal plane design, this scope is preferred for hunting in the timber, where "jump-shooting" may be required. This scope is shorter than the 6.5-20 version. Confused about which scope to buy? Give us a call for more details and discuss options to best suit your needs.