Pentax Papilio 8.5x21 Binoculars w/Case

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Named for the Latin word for butterfly, PENTAX Papilio 8.5x21
binoculars are the perfect choice for insect observation in the
field and in museums and galleries. The enhanced observation
capability of the Papilio binoculars is made possible by a
PENTAX Convergent Lens Optical System Engineering (CLOSE)
mechanism. The CLOSE mechanism automatically slides the left
and right objective lenses toward the center when the focus is
fixed at a short distance.



Magnification:	8.5x

Objective Lens Diameter:	21.mm

Lens Construction:	Objective Lens: 2 elements in 1 group

Eyepiece Lens:	5 elements in 5 groups

Focusing Range:	Approximately 1.6 ft to infinity

Field of View at 1000 Yards:	315 Ft

Real Field of View:	6.0 degrees

Apparent Field of View:	51 degrees

Relative Brightness:	6.3

Eye Relief:	15mm

Exit Pupil:	2.5mm

Diopter Adjustment:	Click stop adjuster in right eye piece

Diopter Adjustment Range:	+/- 4m -1

Eye Distance Adjustment Range:	56mm-74mm (2.2" - 2.9")

Vergence Correction:	Focus-coupled correction mechanism

Height Width:	116mm x 110mm (4.6" x 4.3")

Thickness:	55mm (2.2")

Weight:	290g (10.2 oz)

Body Color:	Black & dark gray

Accessories:	Eyepiece lens caps, Case, Neck strap



High quality BaK4 prisms	Transmit more light at the edges providing exceptional detailed resolution, especially in low light

Fully multi-coated optics	Eliminate harmful ultraviolet rays while improving light transmission for high contrast images with no glare

Helicoid eyepiece rings	For extra viewing comfort

Fast and easy center focusing	For handling ease

Revolutionary dual-axis, single body housing with synchronized eye-piece adjustment	Assures correct optical alignment for comfortable viewing

Sleek, contemporary ultra-compact body with	Unibody construction

Tough rubber covered exterior provides a sure grip	Protects the internal mechanisms

C.L.O.S.E. (Convergent Lens Optical System Engineering)	Provides close focus down to 1.6 feet

Ideally suited for viewing insects, birds, artwork or any other object at close ranges	There is no other binocular like them

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