Customize your Scope Cam! This is a replacement lens for your RunCam Scope Cam 2 and Scope Cam 2 4K cameras. Depending on your lens choice, the camera records at focal ranges between 32 to 230 feet. The 40MM lens is best suited for recording distances of 99 to 230 feet. The 25MM lens works best between 66 and 164 feet. The 16MM lens is optimal at 32 to 99 feet. Scope Cam is ideal for airsoft, paintball, hunting or any other sport in which you want to capture the trajectory of your ammunition.