4.0x magnification
Easy one-hand operation
Objective lens: 24mm diameter
Night Owl 4X Marine Monocular. Field of view: 56 ft. at a distance of 200 ft. IR field of illumination is 32 ft. diameter at 150 ft. Waterproof body. Rubber coated for optimal grip. Lightweight and easy to use. Uses CR123 lithium batteries. 500x ambient light amplification. Easy one-hand operation. Objective lens: 24mm diameter.