PRODUCT HIGHLIGHTS
- Phase-Corrected BAK4 Roof Prisms
- Slip-Resistant Rubberised Armouring
- Fully Multicoated Optics
- Angle Viewing: 60°
- Nitrogen-Filled, Water and Fogproof
- Closed Bridge Configuration
- Magnesium Alloy Chassis
- Large Centre Focus Wheel
- Tripod Mountable with Optional Adapter
- Twist-Up Eyecups
OVERVIEW
Pentax designed the 10x42 SD WP Binocular 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 even in low-light. Its 10x magnification, 60° angle of view, and 346' field of view at 1000 yards 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 18mm eye relief and its 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.
Optical Performance Optical Performance
- 10x magnification
- 42mm objective lenses
- BAK4 Roof prism optical path
- Anti-reflection fully multicoated optics
- Phase-corrected prism coatings virtually eliminate chromatic aberrations for increased contrast and true colour rendition
- Hybrid aspherical lens elements correct for spherical aberrations to reduce distortion at the edges of the lens and corrects for astigmatism that can prevent sharp focusing
- 315.0' field of view at 1000 yards
- 60° wide angle of view
Use and Handling
- Closed bridge configuration
- Large knurled centre focus wheel
- Right-eye diopter adjustment
- 18mm eye relief, 4.2mm exit pupil
- Twist-up eyecups for use with or without eye wear
- Tripod mountable with optional adapter
Construction Details
- Lightweight and durable magnesium alloy housing
- Rubberised armouring 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
- Dust/water/grease repellent coatings keeps the optical surfaces clean
SPECIFICATIONS
Prism Type Roof
Magnification 10x
Objective Lens Diameter 42 mm
Angle of View 6.0° (actual)
Field-of-View 315.0' @ 1000 yd / 104.58 m @ 1000 m
Minimum Focus Distance 8.3' / 2.53 m
Exit Pupil Diameter 4.2 mm
Eye Relief 18 mm
Interpupillary Adjustment Not Specified By Manufacturer
Dioptric Correction Not Specified By Manufacturer
Focus Type Centre
Tripod Mount Yes (Adapter Optional)
Dimensions 5.6 x 5.3 x 2.0" / 14.22 x 13.46 x 5.08 cm
Weight 21.7 oz / 615.20 g