12x50 ED Lens Powerful Monocular 10x50 Telescope Low Dispersion IPX7 Fogproof Long Range BAK4 Prism For Traving Hunting Hiking(10x50 ED Lens Black)

FMC Full Surface Multi-layer Coating The use of full-surface multi-layer coating has good light transmittance,which can basically light transmittance of the telescope is increased to about 90%~95% and its color reproduction Also balanced and realistic,very little lens reflections, good control of flare Strong Damping Metal Focusing Wheel 1-3 seconds fast and precise focus Metal focusing wheel anti-skid and drop-resistant,24mm large eyepiece / wide field of view Phase coating/high brightness and comfortable imaging IPX7 Nitrogen-filled Full Waterproof Rainstorm-proof and all-weather adaptation,The interior is filled with nitrogen to prevent air from entering moisture-proof and mildew-proof, which greatly prolongs the service life Full Metal Protection Figure Plastic Steel Metal Mirror Body 80%-90% metal content Increase Light Transmittance By 10% Plated phase film + high anti-dielectric film BAK4 Prism Imaging No dark edge, clear and bright image