The BRESSER Travel binoculars with their full rubber cover at the tubes offer a safe grip to the observers. The binoculars have optical Bk-7 glass material which creates a clear and bright image. Therefore you can also observe at difficult light conditions. All Travel binoculars have a fully coated optics which are steamed onto the lenses. With the foldable eyecups also spectacular wearers are able to use these binoculars. end tab Features These binoculars combine a strong magnification with a high light gathering capacity Long distance observations and particularly detailed images Bright images even in low light conditions Dimensions: 165 x 199 x 62 mm / weight: 799 g Includes: binoculars, pouch, manual end tab Specs Item Number 12?52052 Magnification 20 Field of View 62 m/1000 m Lens Coatings fully coated Eye Relief 8.1 mm Exit Pupil mm Focuser Type center Dimensions 165x199x62 mm Brightness 6.25 Objective Lens Diameter 50 mm Apparent Field 3.54? Close Focus 15 m Prism BaK-7; Porro Eyecup Type Rubber eyecups, foldable Housing Metal/Plastic Weight 799 g end tab Warranty Limited USA One Year Warranty one the product is registered within 60 days of purchase. Click Here to register CA Residents: Prop 65 WARNING(S)