NightStar 4-12x40mm 30mm Tube Riflescope, Second Focal Plane NS11151

NS11151 4-12x40WZ scope have special designed 3rd generation rear focus system, 1st generation focus is AO(adjustable objective lens) located on front of scope, farthest to eye; 2nd focus generation is side focus, located on left side middle; 3rd focus generation is rear focus, closest to eye, then is easy to observe and handle. Because it can use direct thread to adjust focus, have more stable movement and more precise focus range mark, also have better shockproof and waterproof.