NOTE: The package doesnt include a phone adapte Features: 25-75x zoom: SV28 spotting scope is easy to focus and change magnification, easily set up when looking at birds and scenery. A great spotting scope for beginner to novice. 70mm large object lens: More powerful light gathering ability, 70mm tube allows plenty of light and decent view of the target once set, extendable sunshade built onto the main barrel to reduce glare. IP65 waterproof: Can avoid sudden environmental changes to damage the SV28 spotting scope.The finish is made of a seamless Non-Slip material so it doesnt feel like it would slip out of your hands if wet. Includes portable desktop tripod: the desktop tripod is perfect for range spotting. Phone adapter makes it easier to share videos and photos. Lightweight and portable weight: Very suitable for carrying when going out for observation, can also be easily put into the car for use in family camping. Specification: Brand Name SVBONY Model 15-45x50 20-60x60 25-75x70 Observation Angle 45 Degrees 45 Degrees 45 Degrees Focal Length 300mm 300mm 300mm Magnification 15x-45x 20x-60x 25x-75x Objective lens diameter 50mm 60mm 70mm Field of View 104-57 ft/1000 yds 131-68 ft/1000 yds 64-43 ft/1000 yds Eyepiece diameter 15mm 15mm 15mm Prism Glass Bak4 Bak4 Bak4 Prism Type Porro Porro Porro Lens Coating FMC FMC FMC Exit Relief 16-14mm 16-14mm 16-14mm Eye cup Fold Down Fold Down Fold Down Close Focusing Distance 8m 8m 8m Waterproof (IP65) YES YES YES Fogproof YES YES YES length 290mm 335mm 375mm Net Weight 667g 754g 911g 70mm large objective lens:Powerful light gathering ability The variable maginification provides more details about outdoor target sightings from 25x to 75x BAK4 prism makes light transmittance higher Reduce light loss:Restore the most realistic edge image details FMC lensAllow more light to enter the objective lens and reduce reflected light Waterproof and fogproof: easily cope with daily observation environment Effectively extend SV28 spotting scopes life Reduces glare and shields theobjective lens from scratch, damage and raindrop Mainly for target, and can also be used for birding watching, watch the scenery, and simple moon watching