The 10x25 WPII Binocular from Olympus is a general purpose roof prism model. The waterproof housing, grooved center focus wheel, and lightweight 9.5 oz size make the WPII a useful optic for outings on the trail or at the beach.
- Fully multicoated optics with phase-corrected BaK-4 prisms
- Dual-hinge design enables interpupillary adjustment and reduced size for storage.
- Dioptric correction enables adjustments for individual eyesight.
- Nitrogen-filled fogproof and waterproof construction resists damage from rain and humidity.
- 10x magnification
Lens Quality - High-index BaK4 prisms
Optical Coating - Full multi-coating / Phase coating
Optic Type - Roof-prism series
Magnification - 10x
Objective Lens Diameter - 25mm / 0.98inch
Actual Field of View - 6.5 deg
Apparenty Field of View - 65 deg
Field of View at 1000 m - 114 m / 374 ft
Exit Pupil Diameter - 2.5 mm / 0.09inch
Relative Brightness - 6.3
Closest Focal Point - 1.5 m / 4.9 ft
Lens Configuration - 8 elements / 6 groups
Eye Relief - 12 mm/0.47inch
Eye Interval Adjustment Range - 35 - 73mm / 1.37-2.87inch