25-75x60 powerful telescope with magnification binoculars Bak4 FMC waterproof with tripod telescope do bird watching Specification: Product Name: 25-75x60 zoom telescope Multiples: 25-75x Eyepiece Diameter: 21mm Field of view: 2. 0,1-1,08 Prismatic system: fully optical BaK4 prism Lens Diameter: 60mm Output pupil diameter: 2,4-0,8 mm Distance: 3 m Prism: BAK4 Type of prism: porro Coating: FMC multilayer coating Features: Focusing with one hand HD, high permeability Support mobile phone shooting Application: sailing or sailing, sport, bird watching, car racing, horse racing, hunting, beach, travel Large lens with a diameter of 60 mm The bigger the caliber The higher the light consumption The brighter the picture High clarity and image reproduction Basic benefits Magnification 25x-75x Smooth 25-75x zoom adjustment, satisfying during repeated observations Zoom 25x-75x Large lens with a diameter of 60 mm Attached handle Multilayer coating Multicolor FMC coating in green Lenses coated with a fully green film with a low reflectivity increase light transmission for a brighter and clearer image without black stripes