Description
Images are for illustrative purposes.
The Pentax U-Series 8.5X21 Papilio II Binocular is a compact U-Series Binocular that combine aspherical optical elements, and BAK4 Porro Prisms.
The Pentax U-Series 8.5X21 Papilio II Binocular is a compact and lightweight U-Series Binocular that combines Aspherical Lens Elements, and BAK4 Porro Prisms to deliver edge-to-edge image sharpness, with a 51° apparent angle of view.
Key Features
- 8.5x magnification
- 21mm objectives
- Aspherical Lens Elements
- BAK4 Porro Prisms
- Fully Multi-Coated Optics
- Angle of View: 6°
- Minimum Focus of 20″
- Center Focusing
- Twist-Up Eyecups
- 1/4″-20 Tripod Socket
The Lens Elements of the Pentax U-Series 8.5X21 Papilio II Binocular is also fully multi-coated to provide a high transmission of light.
With an 8.5x magnification and 21mm objectives, you obtain a notable magnification, insignificant image jitter due to unsteady hands, and a compact form factor.
You can easily spot your targets with a wide 6° angular field of view and quickly bring them into focus with a center focus wheel.
In addition, the Pentax U-Series 8.5X21 Papilio II Binocular can observe distant scenes, birds, and game, and has a Minimum Focus of 20″ allowing you to study close objects like butterflies, animal footprints, marks, or landscape features.
To reduce image jitter while observing distant objects or for prolonged observations, you can connect the Binocular to a tripod via an integrated 1/4″-20 Tripod Socket.
The Binocular also feature a 2.5mm exit pupil, a 15mm eye relief, and interpupillary distance and diopter adjustments.
The Pentax U-Series 8.5X21 Papilio II Binocular features a single-piece frame that houses objectives, which allows for a synchronized interpupillary adjustment.
To accommodate spectacle wearers, the Binocular offers twist-up rubber eyecups. Also included are a carrying case, a neck strap, and eyepiece covers.
Optical Performance
- BAK4 Porro Prisms
- Aspherical Lens Elements offer edge-to-edge image sharpness
- Fully multi-coated optics
- Angular field of view: 6°
- Minimum Focus of 20″
- Interpupillary adjustment
- Diopter adjustment
- Construction Details
- Single piece objectives’ frame allows for a synchronized interpupillary adjustment
- Contoured body provides a comfortable grip
- Center focus knob offers an easy focusing
- Twist-up rubber eyecups
- Integrated 1/4″-20 Tripod Socket
In the Box
- Pentax U-Series 8.5X21 Papilio II Binocular
- Eyepiece Covers
- Neck Strap
- Carrying Case
- Limited 25-Year Warranty
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