3304 89-type 10X50 89-10WYJ High-power All-metal Binoculars Outdoor High-definition Telescope

2.Product Introduction: TheType89telescopeisasealed,nitrogen-filledopticalobservationinstrumentIthasalargeexitpupil,soitcanbeusednotonlyindaylightconditionsbutAlsoinlow-lightconditionsintheevening,makingitParticularlysuitableforobservationonbumpyshipsgoldinopenareasItisusedforobservation,targetsearchandresearch,andwiththehelpofthereticleplateintherighteyepiecetube,itcanAlsoperformancetaskstrueasmeasuringelevation,slope,directionangle,approximatedistance,andcorrectingshootingdeviationsThistelescopewashoriginallyintendedforusebythemilitary Parameter: Magnification: 10x Focusing system: The eyepieces are adjusted for focus separately on the left and right, with dynamic automatic focusing Objective lens diameter: 50MM Prism: BK7 Coating: High-contrast lenses, three-dimensional broadband coating Field of view: 65 Field of view: 1000 feet/meter 367FT/114M Exit Pupil Diameter: 5MM Eyepiece d istance: 56-74 Brightness Index: 51 Exit Pupil Distance: 11.5MM Minimum distance: 3M Waterproof performance: Water pressure-based waterproofing, 1 meter depth/2 hours Eye Mask System: Flip-down type Dimensions: 172mmx196mmx66mm Weight: 1.2KG Impact: Falls onto sand at 2m, onto cement at 1.5m Operating temperature: -40/+50 Humidity: 95% Accessories: Leather mirror case, strap, eye protector, cleaning cloth