Pentax AP 8x30 A-Series WP BAK4 Porro Prism Waterproof Fogproof Binoculars 65931

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The Pentax 8x30 A-Series AP WP Binocular delivers bright clear images without being over sized or cumbersome owing to its anti-reflection fully multicoated 30mm objectives which maximise light transmission to produce the brightest views possible. Utilising traditional Porro prisms produce scenes with a rich depth of view over similarly sized roof prisms with the added benefit of a larger surface area to give it a comfortable feel in the hand.

In order to cut weight, the housing is made of corrosion and impact-resistant fibreglass reinforced polycarbonate polymer. The material is also temperature-resistant allowing for its use in extreme climates while reducing expansion and contraction wide temperature swings 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 be submersible to 3.3', as well as fog proof in all weather conditions.

Optical Performance:

- 8x magnification

- 30mm objective lenses

- BAK4 Porro prisms

- Anti-reflection fully multi coated optics

- 5 field of view at 1000 yards

- 56° angle of view

Use and Handling:

- Closed bridge configuration

- Knurled centre focusing wheel

- Twist-up eyecups for use with or without eye wear

- 2mm eye relief, 3.8mm exit pupil

- Tripod mountable with optional adapter

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 armoring protects against impacts and provides slip-resistant grip

- Inner focusing mechanism provides smooth focus while preserving waterproof seals


- Prism Type: Porro

- Magnification: 8x

- Objective Lens Diameter: 36mm

- Angle of View: 7.0° (actual)

- Field of View: 367.5 @ 1000 yd / 122.5 m @ 1000 m

- Minimum Focus Distance: 81.7 / 24.9 m

- Exit Pupil Diameter: 3.8 mm

- Eye Relief: 17.2 mm 

- Focus Type: Center

- Tripod Mount: Yes (Adapter Optional)

- Dimensions: 6.2 x 4.7 x 2.2 In / 15.8 x 11.9 x 5.6 cm

- Weight: 16.2 oz / 459.3 g