Leica APO-Televid 82 Spotting Scope Straight View, Optically neutral front lens protects the APO optics Water and dust repellent hydrophobic AquaDura lens coatings Apochromatic fully multicoated color-corrected optical system Fluoride glass lenses for enhanced color fidelity and contrast Robust black rubber armored diecast magnesium housing Sealed optical system is waterproof to a depth of 17.0'/5.0 m Rotating tripod collar with detented click stops Dual focus system with microfocusing is precise and intuitive Retractable lenshood with built-in peepsight for rapid subject location