Description
The Pentax 9×28 A-Series AD WP Binocular features an exciting transitional magnification that produces an enhanced viewing experience over a lower power.
The Pentax 9×28 A-Series AD WP Binocular features an exciting transitional magnification that produces an enhanced viewing experience over a lower power without the visible hand-shake often associated with higher magnifications.
Key Features
- Phase-Corrected BAK4 Roof Prisms
- Fully Multi-coated Optics
- Angle of View: 50°
- Nitrogen-filled, Water and Fog proof
- Closed Bridge Configuration
- Reinforced Polycarbonate Housing
- Center Focusing
- Twist-Up Eyecups
All of the optics are anti-reflection and Fully Multi-coated to maximize light transmission and produce the brightest views possible.
A Guide to Birding
The BAK4 Roof Prisms are phase-corrected to improve image contrast and enhance colour rendition.
To help cut weight, the housing is made of corrosion and impact-resistant fiberglass-reinforced polycarbonate polymer.
They are also temperature-resistant allowing for their 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.
Their optical tubes are Nitrogen-filled and O-ring sealed, so they are submersible to 3.3′, as well as Fog proof in all weather conditions.
Optical Performance
- 9x magnification
- 28mm objective lenses
- BAK4 Roof Prisms
- Phase corrected prism coatings enhance contrast and improve colour rendition
- Anti-reflection Fully Multi-coated optics
- 323.4′ field of view at 1000 yards
- 50° angle of view
Use and Handling
- Closed bridge configuration
- Knurled center focusing wheel
- Twist-up eyecups for use with or without eyewear
- 18mm eye relief, 3.1mm exit pupil
Construction Details
- Lightweight fiberglass-reinforced polycarbonate housing
- Housing is corrosion, temperature, and impact-resistant
- Nitrogen-filled for Fog proof 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
- Weighs in at just 12.8 oz
In the Box
- Pentax 9×28 A-Series AD WP Binocular
- Neck Strap
- Carrying Case with Strap
- 2 x Objective Lens Caps
- 2 x Eyepiece Caps
- Limited 25-Year Manufacturer Warranty
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