Hiniso 25-75x100 HD Spotting Scope

Optical Specifications
Magnification: 25x to 75x zoom
Objective Lens Diameter: 100 mm
Prism Type: BAK4 Porro/Roof prism
Lens Coating: Fully multi-coated optics
Focus System: Dual focus knob (coarse and fine adjustment)
Build & Environmental Features
Waterproof: Yes (O-ring sealed)
Fogproof: Yes (Nitrogen-filled)
Dustproof: Yes
Sunshade: Built-in retractable sunshade