Designed with durability in mind, Leupold has developed the SX-4 Pro Guide HD for the avid hunter and /or shooter. This spotting scope is encompassed in a magnesium body that is 100% fog & waterproof. The oversized eyepiece gives you all day comfort. Leupold’s Twilight Max HD Light Management System, gives you more in less light while reducing direct light glaring. With this and all other Leupold spotting scopes, the SX-4 Pro Guide HD is guaranteed to perform for life, or they will repair or replace it for free. FeaturesGuard-Ion Lens Coating for shedding dirt and waterIntegrated Sunshade for instant glare reductionOver-sized eyepieceScratch Resistant LensesSmooth FocusingTwist Eyecups Leupold SX-4 Pro Guide 20-60x85mm HD Straight Spotting Scope 177598