Pentax 8x42 S-Series SD WP Binoculars

Pentax designed the 8x42 S-Series SD WP Binoculars for a lifetime of rugged outdoor use in all weather and lighting conditions The 42mm objectives are fully multicoated to reduce reflection and maximize light transmission through the entire optical path Its roof prisms are phase-corrected to correct for chromatic aberrations - ensuring bright and clear high-contrast images with true color rendition in even low light Its general purpose 8x magnification brings subjects close while maintaining a wide 60 degrees angle of view to preserve situational awarenessComplementing the optical performance are construction details made for the trail The optical tubes are nitrogen-filled and O-ring sealed for fogproof performance and to make them submersible to as deep as 33' The binoculars sport a generous 21mm eye relief - and twist-up eyecups ensure comfortable viewing with or without eye wear Protective coatings on the exterior lens surfaces repel water - dirt - and oil to keep them clean for unobstructed viewing

Features: Phase-Corrected BAK4 Roof Prisms, Fully Multicoated Optics, Angle of View: 60°, Nitrogen-Filled, Water and Fogproof, Closed Bridge Configuration, Slip-Resistant Rubberized Armoring, Large Center Focus Wheel, Tripod Mountable with Optional Adapter, Twist-Up Rubber Eyecups

Prism Type: Roof

Magnification: 8x

Objective Lens Diameter: 42 mm

Angle of View: 7.5 degrees (Actual)

Field of View: 393.7' @ 1000 yd / 131.2 m @ 1000 m

Minimum Focus Distance: 8.2' / 2.5 m

Exit Pupil Diameter: 5.2 mm

Eye Relief: 21 mm

Diopter Adjustment: Yes

Focus Type: Center

Fogproof: Yes - Nitrogen Filled

Environmental Resistance: Water-Resistant (Unrated)

Dimensions: 5.8 x 5.3 x 2-inch / 14.7 x 13.5 x 5.1 cm

Weight: 22.5 oz / 637.9 g