Eagle Vision GoPro 3 & 4 Lens 4K 1/1.8” 12mm, M12 x 0.50 Ammunition - Balls straight steel blade as opposed

straight steel blade as opposed to other models

or wooden rat

JSB Diabolo Knockout Slugs 5

Mechanism System: Semi Automatic

Magnification: 4-16X

Eagle Vision GoPro 3 & 4 Lens 4K 1/1.8” 12mm, M12 x 0.50 Ammunition - Balls straight steel blade as opposedEAGLEVISION GOPRO 3 & 4 lens 4K 1 1. 8 12MM, M12 X 0. 50 This is a high quality GoPro customised low sensor lens with a special coating and large wide lens to get maximum light to GoPro camera when using GoPro on the rifle scopes, for scope cam such as air gunning, airsoft, paintball, hunting, etc. This will fit directly to GoPro 3 & 4 and Chinese action cameras too with m12 x 0. 5 pitch lens mount. Whats the difference between the 1 1. 8 and the 1 2.