About this item

PRISM TYPE : Porro BAK-4 Glass : DISPLAY TYPE : ultra clear FMC ,Model: 8x40 Magnification: 8X Objective Lens: 40mm Focus System: Center Field of view 420ft @ 1000yds
FOCUSING SYSTEM : Center + Right eyepiece diopter
Smooth central focus knob for quick viewing., ·Antireflection tri-layer coated blue lens, brighter and sharp viewing
BaK-4 prism and multi-coated blue film optics for superior resolution and image clarity, Material: specialized engineering metal, handgrip has high-class really rubber, comfortable to touch

CASON (DEVICE OF C) Professional 8 X 40 HD Folding Lens 10X Zoom Prism Binocular