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Samyang 24mm T1.5 VDSLR II - Canon EOS Full Frame
Pentax 8x25 UP WP Compact Binocular - 61931 employs an innovative unibody design that locks the objective lenses into the body with the eyepieces set on a synchronized dual-axis mechanism that ensures they stay symmetrical in relation to the centre axis of the optic when adjusting the interpupillary distance. The 25mm objective lenses are fully multicoated to reduce reflection and maximize light transmission to produce the brightest images possible. Aspherical lens elements virtually eliminate distortion, especially around the edges, and corrects for lens astigmatism which can prevent sharp focusing.
Designed for easy carrying and stowing, the binocular features a lightweight fibreglass-reinforced polycarbonate housing that is corrosion and impact resistant. The housing material is also temperature-resistant allowing for its use in extreme climates while reducing expansion and contraction wide temperature variations can cause, which can make the optical components move out of collimation over time.
Its optical tubes are nitrogen-filled and O-ring sealed so they can are submersible to 3.3', as well as fogproof in all weather conditions.
Key Features of the Pentax 8x25 UP WP Compact Binocular - 61931
Optical Performance
- 8x magnification
- 25mm objective lenses
- BAK4 Porro-prism optical design.
- Aspherical lens elements reduce distortion at the edges and correct for lens astigmatism which can prevent sharp focusing.
- Anti-reflection fully multi-coated optics.
- 325.5' field of view at 1000 yards.
- 50° angle of view
Use and Handling
- Dual-axis synchronized eyepiece adjustment ensures symmetrical placement when changing interpupillary distances.
- Knurled centre focus wheel.
- Twist-up eyecups for use with or without eyewear.
- 15mm eye relief, 3.1mm exit pupil
- Standard 1/4"-20 tripod mount
Construction Details
Lightweight fibreglass-reinforced polycarbonate housing.
Housing is corrosion, temperature and impact-resistant.
Nitrogen-filled for fogproof performance, submersible to 3.3' (1m).
Rubberized armouring protects against impacts and provides a slip-resistant grip.
Inner focusing mechanism provides smooth focus while preserving waterproof seals.
MPN - 61931
GTIN - 8809298883188
