Pentax 8.5x21mm Papilio Butterfly Binoculars are ideally suited for viewing insects, birds, artwork or any other object at close ranges. Pentax Papilio 8.5x21 Butterfly Binoculars feature the C.L.O.S.E. (Convergent Lens Optical System Engineering), which allows them to focus down to 1.6 feet. Pentax 8.5x21mm Papilio Butterfly Binocular 62216 has SUPERB simply mindblowing optics for the price. Tough rubber covered exterior of Pentax Papilio Butterfly Binoculars provides a sure grip and protects the internal mechanisms. Revolutionary dual-axis, single body housing with synchronized eye-piece adjustment to assure correct optical alignment for comfortable viewing.

Specifications for Pentax 8.5x21mm Papilio Butterfly Binoculars:

Type:		Porro prism, center focusing
Objective Lens:		2 elements in 1 groups
Eyepiece Lens:		5 elements in 5 groups
Magnification:		8.5X
Objective Lens Diameter:		21mm
Real Field of View:		6.0°
Apparent Field of View:		51°
Field of View at 1000m:		105m
Field of View at 1000 Yards:		315 ft.
Exit Pupil:		2.5mm
Eye Relief:		15mm
Relative Brightness:		6.3
Diopter Adjustment:		+4
Eye Width Adjustment Range:		2.2-2.9 in. (56-74mm)
Focusing Range:		About 1.6 ft. (0.5m) to infinity
Eyepiece Ring:		Helicoid type
Body Color:		Black & Dark Gray
Height & Width:		4.6 x 4.3 in. (116 x 110mm)
Thickness:		2.2 in. (55mm)
Weight:		10.2 oz (290g)
Accessories:		Eyepiece Lens cap, Case, Strap

Features of Pentax 8.5x21mm Papilio Butterfly Binoculars:

• No other binoculars like them on the market!
• Sleek, contemporary ultra-compact body with unibody construction
• Fast and easy center focusing for handling ease
• Helicoid eyepiece rings for extra viewing comfort
• Fully multi-coated optics to eliminate harmful ultraviolet rays while improving light transmission for high contrast images with no glare or flare
• High quality BaK4 prisms transmit more light at the edges to enhance illumination for easier viewing in dim light

Package Contents:

• Pentax 8.5x21mm Papilio Butterfly Binoculars #62216

What is a Pentax Papilio Binoculars? What makes it different?

Pentax Papilio Binocular incorporates the CLOSE (convergent lens optical system engineering) which allows them to focus down to 1.6 feet without that "cross-eyed" feeling. The CLOSE mechanism automatically slides the left and right objective lenses toward the center when the focus is fixed at a short distance. As a result, the right and left image fields are correctly aligned to facilitate close-range viewing.
Pentax Papilio Binocular has a TOUGH rubber covered exterior which provides a sure grip and protects the internal mechanisms
Pentax Papilio Binocular has a STYLISH sleek, contemporary ultra-compact body with unibody construction
Pentax Papilio Binocular has the SHARP Pentax Super-Multi-Coating and BaK 4 prisms which give the clearest, brightest image possible.
Pentax Papilio Binocular has LONG EYE RELIEF a looooong 15 millimeter eyerelief to assure effortless viewing of the entire image field, even for eyeglass wearers.
Pentax Papilio Binocular is UNIQUE.. there is no other binocular like them on the market.

In addition to Pentax 8.5x21 Papilio Butterfly Binoculars 1.6ft CLOSE FOCUS 62216 8.5x21, make sure to check other Pentax Binoculars and other Pentax products offered in our store.