Pentax U-Series Papilio II BAK4 Porro Prism Multicoated Compact Binoculars
The binocular is very compact, lightweight, and features a single piece frame that houses objectives, which allows for a synchronised interpupillary adjustment. To accommodate eye glasses 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 optical elements offer edge-to-edge image sharpness
- Fully multi coated optics
- Minimum focus of 20 Inches
- Interpupillary adjustment
- Diopter adjustment
Construction Details
- Single piece objectives' frame allows for a synchronised interpupillary adjustment
- Contoured body provides a comfortable grip
- Centre focus knob offers an easy focusing
- Twist-up rubber eyecups
- Integrated 1/4"-20 tripod socket
Specifications:
- Prism Type: Porro
- Magnification: 6.5x / 8.5x
- Objective Lens Diameter: 21 mm
- Angle of View: 7.5° (actual) / 6° (actual)
- Field of View:
393.7' @ 1000 yd / 131.2 m @ 1000 m (6.5x21)
315.0' @ 1000 yd / 105.0 m @ 1000 m (8.5x21)
- Minimum Focus Distance: 10.4' / 3.2 m
- Exit Pupil Diameter: 3.2 mm (6.5x21), 2.5 mm (8.5x21)
- Eye Relief: 15 mm
- Interpupillary Adjustment: Not Specified by Manufacturer
- Dioptric Correction: Not Specified by Manufacturer
- Focus Type: Center
- Tripod Mount: Yes
- Dimensions:
4.5 x 4.4 x 2.1 Inches / 11.4 x 11.2 x 5.3 cm (6.5x21)
4.6 x 4.3 x 2.1 Inches / 11.6 x 11.0 x 5.3 cm (8.5x21)
- Weight: 10.2 oz / 289.2 g
In the Box:
- Pentax 6.5x / 8.5x 21 U-Series Papilio II Binocular
- Eyepiece Covers
- Neck Strap
- Carrying Case