Optisan CP 4-16X40P (MRAD-MH10)Overview Compact design At just 25. 4 cm long and weighing less than 0. 48 kg, the CP is the ideal companion for compact and lightweight rifles. Minimized Parallax error Equipped with a 32mm objective lens, the CP effectively reduces the impact of Parallax error, resulting in minimal shift of impact as you change your head position or distance to target. This means you can shoot targets at various distances without experiencing any shift in point of