Ecobins 10X25 Eco-friendly optics with legendary Nikon performance: bright, multicoated lenses, turn-and-slide eyecups and waterproof/fogproof durability. Compare Loading Media Enlarge Archived Product Product Number: 7523 Visit Product Support for additional product information Buy Now Supplied Accessories Close Supplied Accessories 100% natural Lenzing fiber travel case, adjustable binocular strap and lens covers Overview Tech Specs Key Features BaK4 high index prisms: Enjoy extra-high resolution images thanks to this exclusive prism system. Bright, multicoated optics: Multiple layers of anti-reflective compounds offer excellent brightness and resolution. Durable and protective, rubber-armored coating: Provides a non-slip grip, wet or dry. Waterproof/fogproof: Nitrogen filled and O-ring sealed. Long eye relief: An excellent choice for eyeglass wearers. Quick, central focus knob: For fast subject acquisition. Turn-and-slide rubber eyecups: With multi-click adjustments are extremely eyeglass-friendly. Manufactured responsibly with lead- and arsenic-free Eco-Glass™ Specifications Focusing System Central Focus Magnification 10x Objective Diameter 25mm Angular Field of View (Real) 5° Angular Field of View (Apparent) 47.2° FOV at 1000 yds 262 ft Close Focus Distance 9.8 ft Exit Pupil 2.5mm Relative Brightness 6.3 Eye Relief 13mm Size (Length x Width) 4.5 x 4.8 in Weight 9.5 oz Interpupilary Distance 56-72mm Waterproof/Fogproof Yes Prism Porro Supplied Accessories 100% natural Lenzing fiber travel case, adjustable binocular strap and lens covers Products You've Viewed We’ll keep track of the products you view here.