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The 10x42 Opticron HR WP Porro Prism Binocular from Opticron utilizes a "B" Porro prism, which combines the qualities of a standard Porro prism with a roof prism to make a single multi-purpose high-performance field glass. The binocular also features internal focusing, long focal length long eye relief eyepieces, and multi-coated air-to-glass surfaces. The fogproof nitrogen-filled waterproof construction allows submersion up to 10'.
42mm objective lens
"B" Porro prisms
336' field of view at 1000 yards
51° apparent angle of view
Multi-coated air-to-glass lens surfaces
Use and Handling
Closed bridge configuration
Knurled center focus wheel
Nitrogen-filled, fogproof and submersible to 10' (3 m)