Coated lenses improve light transmission, offering improved clarity and brightnessThe solid frame is covered in a textured rubber for a reassuring gripLarge rubber focusing wheel is easy to turn even when wearing glovesTwist-and-click rubber eye cup offers easy positioning of eyes at the correct point; especially useful for those who wear glassesRetained rubber object and eyepiece lens protective capsDust- and waterproof assembly ensures long-lasting performanceNitrogen-filled chamber ensures zero internal foggingDiopter right eyepiece adjustment for perfectly balanced focusingComes complete with padded carrybag and soft-touch lint-free cloth TECHNICAL SPECIFICATIONMagnification: 10xObjective diameter: 42mmExit pupil diameter: 4mmExit pupil distance: 13.6mmField of view: 304ft/1000ydsClose focal length: 2.5mType of prism: BK7 K9Dimensions: 150mm (L) X 126mm (W) X 52mm (H)Weight: 324g