1. Lens adopt BAK4 prism type, that makes the lens more transparent, clear and bright.
2. The wrist type anti ?skid rope design will be more easy to carry and prevent to fall off when holding.
3. With pocket design, this will help you probable to take and single hand operation.
4. The focus capability makes the image clear and sharp.
Objective Lens Diameter:Approx 42mm
Eye Lens Diameter:Approx 17mm