SKU: SP 8x40 Categories: 'Pricespy, Binoculars, Cameras/Phones Description Additional informationDescriptionPentax SP 8×40 WP BinocularsDesigned for both astronomical and terrestrial use, Pentax’s 8×40 /10×50 /12×50 /20×60 SP S-Series WP Binocular can be used with confidence in all weather and conditions. The large oversized 40mm (8X40) /50mm (10X50, 12X50) /60MM (20X60) objectives are fully multicoated to reduce reflection and maximize light transmission through the entire optical path. Utilizing the traditional porro prism configuration gives scenes a rich depth of view for an immersive observation experience and provides a comfortable feel in the hand with a lot of surface area to maintain a sure grip. The large objectives and coatings maximize the amount of light getting to the user’s eyes for exceptional low-light capabilities, and its high 10x magnification provides an immersive observation experience. Complementing 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 much as 3.3′. The binocular sports a generous 20mm eye relief and the fold-down eyecups seal against the ocular cavity to block stray peripheral light which can dim images and effect night adjusted vision for 10×50, 12×50 & 20×60.At a glance– BAK4 Porro Prism – Fully Multicoated Optics – Nitrogen-Filled, Water and Fogproof – Closed Bridge Configuration – Slip-Resistant Rubberized Armoring – Large Center Focus Wheel – Tripod Mountable with Optional Adapter – Fold-Down Rubber EyecupsOptical Performance– 8x 10x 12x 20x magnification – BAK4 porro prism optical path – Anti-reflection fully multicoated opticsUse and Handling– Closed bridge configuration – Large knurled center focus wheel – Right-eye diopter adjustment – Fold-down rubber eyecups seal against ocular cavity and block stray peripheral lightConstruction Details– Rubberized armoring protects against impacts and provides slip-resistant grip – Nitrogen-filled, fogproof and submersible to 3.3′ (1m) – Internal focusing system helps to maintain waterproof seals – Tripod mountable with optional adapterSpecificationsPrism TypePorroMagnification8x 10x 12x 20xObjective Lens Diameter40 mm /50 mm /50 mm /60 mmAngle of View6.3° (8×40)Field of View330.7′ @ 1000 yd / 110.2 m @ 1000 m (8×40)Minimum Focus Distance74.9′ / 22.8 m (8×40)Exit Pupil Diameter5.0 mm (8×40)Eye Relief20 mm / 21mm (20×60)Interpupillary AdjustmentNot Specified by ManufacturerDioptric CorrectionNot Specified by ManufacturerFocus TypeCenterTripod MountYes (Adapter Optional)Dimensions7.0 x 5.4 x 3.0″ / 17.8 x 13.7 x 7.6 cm (8×40)Weight31.8 oz / 901.5 g (8×40)Additional informationbrandPENTAXmodelSP 8×40
