twod scope 6-24x50mm aoeg optics scope red&green illuminated rangefinder reticle scope twod instructions & attention: <p> focusing: look through scope within 3~4 inch distance from your eye to scope lens. you may adjust it by loosing lock ring, rotating eye bell and screwing the lock ring. <p> mounting: rotating the scope tube for a vertical or horizontal crosshair. while tighten all screws to fix scope firmly. <p> bore sighting: before you getting the target, you should make sure the vertical and horizontal crosshair should be in one point. screw the upper and right hand wheel to adjusting the difference. <p> adjusting magnification: rotating the power ring. <p> adjusting distance: rotating the distance ring. <p> product specifications: <p> magnification:6~24x <p> objective diameter:50mm/1.96inch <p> eye relief(mm):75.94~81.53 <p> exit pupil(mm):8.3~2.1 <p> tube diameter:25.4mm/1 inch <p> length:400mm/15.75inch <p> field of view (m): 3.98~16.24 <p> net weight(lb):22.22 <p> package list : <p> 1 x scope <p> 2 x ring mount <p> 1 x lens cover <p> 1 x cleaning cloth <p> 1 x user manual