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. Revolutionary dual-axis, single body housing with synchronized eye-piece adjustment to assure correct optical alignment for comfortable viewing 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 Included Accessories - Eyepiece lens caps, Case, Neck strap Binocular Type - Porro-prism, center focusing Lens Construction - Objective Lens - 2 elements in 1 group Eyepiece Lens - 5 elements in 5 groups Magnification - 8.5X / Objective Lens Diameter - 21mm Field of View - Real - 6.0 degrees /Apparent - 51 degrees / Field Of View At 1000 Meters - 105m / Field of View at 1000 yards - 315 ft. Diopter Adjustment Range - +/- 4 m -1 / Diopter Adjustment - Click-stop adjuster built in right eyepiece Dimensions (Height Width) - 4.6 x 4.3 inches (116 x 110mm) Thickness - 2.2 inches (55mm) / Weight - 10.2 oz. (290g) Pentax Limited lifetime warranty
This is one of the most useful devices I have purchased for aiding my close-up
photography. I use it to scan a close up scene and pick out objects or features that I want to
photograph. It works exactly as advertized. This means that it can be used to view objects from much closer than is possible with conventional binoculars. Of course, it also doubles as the latter, too. Strongly recommended.
As a new butterfly enthusiast I needed a pair of close focusing binocular. The
Pentax Papilio provided a light weight, easy to focus, and comfortable to carry binocular. Since I began using them my ability to see details was greatly enhanced.
This product is excellent value for bird watching and nature gazing. I'm very please with this purchase!
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