HD BFVV 12x42 BAK-4 Lens Military Zoom Powerful Binoculars Waterproof Hiking
12x42 Binoculars. 1x 12x42 Binoculars. 1x Eyepiece and Lens Covers. Focusing type: Central Axial plus right eyepiece fine-tuning, can focus focal distance. Prism type: BAK4. Diopter System: Right eyepiece.