Brand Name: maifeng
Magnification: 40
Objective Lens Diameter: 40
Eyepiece diameter: 22
Field of View: 4.4
Type: Monocular
Water Resistance Level: IPX6
Origin: Mainland China
Lens Coating Description: FMC
Focus Type: Detached
Prism Description: BAK4
Model Number: 8-40x40
Material: Metal