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Reticle: Tactical Milling
Leupolds HD lenses are made of high-transmission, calcium-fluoride glass elements that produce saturated colors and clarity that is superior to that of standard optical glass. Additionally, HD elements are lead-free, and they weigh less than comparably-sized standard glass elements. The Mark 4 optical path is enhanced by phase-corrected BAK4 prism glass and index matched lens coatings. Each lens surface is multicoated with an index matched coating that is optimized to suit the refractive index, function and placement of the lens. Leupold also employs their Multicoat 4 anti-reflective lens coating to maximize the light gathering ability of the lenses. The resulting images are detail-rich, with luminous and color faithful views.