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10x42 8x42 HD BAK4 Binoculars Powerful Professional Telescope for Hunting Outdoor Sports Bird Watching Camping

Specification:
Magnification: 8X / 10X
Exit Pupil: 18 mm / 13.6 mm
Exit Pupil Diameter: 5.2 mm / 4 mm
Field of view: 5.8 degree
Close focus: 1.8 m
Lens type: BAK-4
Prism Surface Coating: FMC coating
Objective: 42 mm
Size: 13x5x15.5 cm
Waterproof: Nitrogen waterproof

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