PERFORMANCE Broad 16-48x fixed zoom eyepiece is ideal for mid- to long-range use 65mm objective lens gathers the light required to use in challenging conditions and to ensure bright views when looking at distant subjects at high power Traditional Porro prism light path produces clear and bright views without internal light interference High-density (HD), extra-low dispersion (ED) glass lens elements reduce chromatic and spherical aberrations for increased contrast and improved color rendition and sharpness without distortion across the entire field of view Anti-reflection fully multicoated optics increase light transmission for accurate color fidelity and improved contrast and clarity ArmorTek exterior lens coatings resist scratches and abrasions while allowing oil, dirt, and sap to be cleaned off without leaving smudges or residue 139-foot field of view at 1000 yards at 16x; 72-foot field of view at 48x HANDLING Eyepiece set 45 to the body for comfortable viewing when standing, sitting, or lying prone Helical focusing mechanism focuses smoothly and quickly for tack-sharp views Large slip-resistant focusing collar, instead of the more common knob, is easy to manipulate in cold and wet weather or when wearing gloves, while eliminating the snag hazard that knobs can present Twist-up rubber eyecup for comfortable use with or without eyewear Standard 1/4"-20 mount with ARCA-style foot is compatible with a wide variety of plates, heads, and photo/video/field tripods Rotating tripod collar with positive 45 indents allows user to precisely adjust the eyepiece position relative to tripod head to place it in the most comfortable position Exceptional long eye relief at all magnifications improves viewing comfort with reduced eyestrain Comfortable 4.1mm exit pupil at 16x will cover most pupils as they open and dilate in low light to keep the whole scene in view without vignetting CONSTRUCTION Protective rubber armor provides a slip-resistant grip for more secure handling during setup and breakdown Argon filled and O-ring sealed to be waterproof and resistant to internal fogging when moving through extreme changes in temperature and environmental conditions Tethered eyepiece and objective caps prevent loss during use Retractable sunshade prevents lens flare that can spook game, reduces glare to maintain contrast and clarity in the view, and keeps rain or snow off of the lens for clearer views in inclement weather Neoprene carrying case protects the spotting scope during transport and storage