10X42 Black HD Binoculars for Adults, BAK4 Prism FMC Lens, Military Army Zoom Optics, Waterproof, Fogproof

Magnification: 10x Exit Pupil(mm): 4.25, Eye Relief (mm): 17.5 25-Feet close focusing distance, 27-Ounce weight Boasts durable design and rubberized, abrasion-resistant finish Porro prism; full lens coating provide sharp viewing Designed for outdoor activities such as hunting, climbing, bird watching, sporting. Specific parameters： Model: BN10x42B Magnification: 10X Objective Dia (mm): 42 Focus System: Centre Focus Prism System: Roof Lens Coating: Fully Multi-Coated Field of View: 7° Prism Glass: Bak4 FOV @ 1,000 Yards (ft.): 346 Exit Pupil (mm): 4.25 Eye Relief (mm): 17.4 Focus Distance (m): 4 Eye Cups: Twist Up Adapt to Tripod: Yes Color: Black SHIPPING NOTICE: Free Shipping from Dallas Texas. Please allow 48 hours for processing, and 3-5 business days for delivery.