Pentax 8.5x21mm Papilio Butterfly Binoculars 1.6ft CLOSE FOCUS 62216

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Named for the Latin word for butterfly, Pentax 8.5x21mm Papilio Butterfly Binoculars 1.6ft CLOSE FOCUS 62216 are the perfect choice for viewing insects, birds, artwork or any other objects at close ranges.

Pentax 8.5x21mm Papilio Butterfly Binoculars 1.6ft CLOSE FOCUS 62216 feature Convergent Lens Optical System Engineering (C.L.O.S.E. ), which allows them to focus down to 1.6 feet.

Pentax 8.5x21mm Papilio Butterfly Binoculars 1.6ft CLOSE FOCUS 62216 have mindblowing optics for the price. The tough rubber covered exterior provides a sure grip and protects the internal mechanisms. Revolutionary dual-axis, single body housing with synchronized eye-piece adjustment assures correct optical alignment for comfortable viewing.

Features:
- Ideal for viewing insects, birds, artwork or other objects at close ranges
- C.L.O.S.E. (Convergent Lens Optical System Engineering) allows focus down to 1.6 feet
- Tough rubber covered exterior provides sure grip and Internal protects
- Sleek, contemporary ultra-compact body
- Revolutionary dual-axis, single body housing
- Synchronized eye-piece adjustment to assure correct optical alignment
- Fast and easy center focusing for handling ease
- Helicoid eyepiece rings for extra viewing comfort
- Fully multi-coated optics to eliminate harmful ultraviolet rays
- High quality BaK4 prisms transmit more light to enhance illumination

Specifications:
- Binocular Type: Center focusing, porro-prism
- Lens Construction:
- Objective Lens: 2 elements in 1 group
- Eyepiece Lens: 5 elements in 5 groups Magnification: 8.5X
- Objective Lens Diameter: 21mm
- Real Field of View: 6.0 degrees
- Apparent Field of View: 51 degrees
- Field Of View At 1000 Meters: 105m
- Field of View at 1000 Yards: 315 ft.
- Exit Pupil: 2.5mm Eye Relief: 15mm
- Prism: Porro Relative
- Brightness: 6.3 Diopter
- Adjustment Range: +/- 4m -1
- Diopter Adjustment: Click-stop adjuster built in right eyepiece
- Eye Distance Adjustment Range: 56mm-74mm (2.2" - 2.9")
- Focusing Range: Approx. 0.5m (1.6 ft.) to infinity
- Eyepiece Ring: Helicoid type Body
- Color: Black & dark gray
- Height Width: 116mm x 110mm (4.6" x 4.3")
- Thickness: 55mm (2.2") Weight: 290g (10.2 oz.)
- Accessories: Eyepiece lens caps, Case, Neck strap

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