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Binding: Electronics
Brand: Pentax
EAN: 0415954150389
Item Dimensions: 2.252054.3
Label: Pentax
Manufacturer: Pentax
Model: 62216
MPN: 62216
Publisher: Pentax
Release Date: July 01, 2005
Studio: Pentax
Features:- No other binoculars like them on the market!
- Ideally suited for viewing insects, birds, artwork or any other object at close ranges
- C.L.O.S.E. (Convergent Lens Optical System Engineering) allows them to focus down to 1.6 feet
- Tough rubber covered exterior 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
Accessories:
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Editorial Review:
Product Description:
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
Average Rating: 
Rating: -
If you are a serious observer of nature you will probably want to own more than one pair of binoculars. Hunters have more than one rifle, musicians have more than one instrument and birders (and other naturalists) should have not only a back-up pair but also alternative binoculars that are better suited for specific situations. I have high magnification, compact and high definition pairs.
I bought the Pentax 8.5x21 binoculars for a couple of reasons. I like the fact that they are small and compact and for a porro-finder design they are unusually bright and easy to view through. The main reason won't come as a surprise to anyone, I like them because they focus so close. My longer optics (Canon 18x and 15x) will only focus down to 12' or so. This is fine for most applications but not all, especially when trying to look at hummingbirds or any other object that will allow you to get 5' or closer. I often pack these when for birdwatching trips as a back-up. When we come upon something unexpected (like an array of tiny bats on a tree in the Amazon or a huge spider in southwest New Mexico) everyone wants to use my Pentax binos. If you are into butterflies or insects this is the pair for you.
Both of the binoculars in the Papilio series are of an unique "reverse porro-finder" design, meaning that the front elements are closer together than the eyepieces are. It makes for a surprisingly ergonomic feel since the little bit of weight (these are very light binos) is shifted towards the rear, where they will get more support from your grip. I have a little bit of problem with the interocular distance because my eyes are somewhat far set but I got used to it. These are easy to stick in my briefcase or geocaching bag when I don't think that I'll need one, and that always seems to be the time when you wish that you had a pair of binoculars regardless of the magnification. All in all a great choice for an auxiliary pair of close-focusing pair of binoculars.
Rating: -
I was very happy with this item. I wanted a pair of binoculars primarily to better see some of the birds around our house. The close up focus is an unexpected but welcome addition to a pair of binoculars. I couldn't be happier with this item. It seems very well constructed. The only criticism I have is I could find no description of the lens material or coating on the instructions or specifications provided with these binoculars, so comparison with other brands is a bit more difficults.
Rating: -
You got a small yard and love bird watching? You NEED these! They are GREAT! I was looking for binocs that would let me focus on birds IN my yard rather than beyond my yard (my backyard is only about 15 feet deep) and I stumbled upon these! I was hesitant at first because I'm hesitant by nature, but I am SO GLAD I bought these. They are lightweight and easy to use! GET THEM!
Rating: -
This binocular is a wonderful instrument! Its close-focusing ability is nothing short of astonishing.
Carrying one of these in the field is like having a long-distance dissecting microscope in your pocket.
I purchased mine prior to a hike to Paradise Park on Mt Hood in Oregon, and I could not be more pleased with its performance.
For example, an unusual-looking fly alit on a wildflower in the meadow, and I was able to observe both in great detail.
The anatomy of the fly was quite clear -- its palps, its eyes, the veins of its wings, even the hairs on its body -- all were crisply presented.
Similarly, every structure of the flower was revealed -- a better view, in fact, than I might obtain with a magnifying glass in close proximity.
It was also easy to get a good image of distant objects; for example, to observe features on the mountain, or to identify birds in the trees at a range of roughly 50 meters.
For distance viewing it is certainly no match for a full-sized binocular, in part because the small separation of the objectives cannot support the enhancement of depth that a large binocular offers.
On the subject of size, this instrument is surprisingly small. With the eyecups turned down and the eyepieces at maximum separation, it measures 4.25" wide by 4.5" deep by 2.25" thick.
With the eyecups fully extended and the eyepieces at minimum separation, these figures become 3.5" x 4.75" x 2.65" respectively.
The included eyepiece cover and case fit the binocular best with the eyepieces at full separation.
The eyecups are rigid (not roll-down) and rotate as they extend, with click-stops at zero-, half- and full-extension.
The instrument alone masses 296 grams (~10.5 oz); with the strap, eyepiece cover and case included, this increases to 371 grams (~13.1 oz).
I found the binocular to be very comfortable to carry "bandolier-style" under my right arm, all day long.
There is no cover for the objectives, which are in fact located behind a flat pane of optically coated glass.
The front of the housing sports a "rubber" hood that serves to shield (but not cover) this glass plate.
The eyepiece cover, strap and case are ordinary, but seem adequate and of good quality. Both the instrument and the case carry the now-ubiquitous "Made in China" label.
The eyepiece cover is of black plastic (PE 2) and resembles a pince-nez. In its "relaxed" state it fits the eyepieces at full separation, but its C-bridge is flexible so it can be used with the eyepieces in any position.
The strap is of black nylon webbing, 0.75" wide where it rests on one's neck, but unpadded.
The case is of black vinyl with a soft lining and a Velcro closure, but, like the strap, it is unpadded.
There is a belt loop (sadly, not a hook) permanently attached to the back of the case. This should fit a belt up to 2.25" wide.
I cannot detect any odor from the case, eyepiece cover or strap. I do note a faint, rubber-like odor from the hood on the front of the instrument itself.
There is a provision to mount the eyepiece cover on the strap, so I plan to leave the case behind next time I take to the field.
The mounting system for the strap is excellent -- secure, yet quickly and easily removed. The mounting points on the strap pivot freely in the mounts. The strap carries the instrument eyepieces-up.
The tripod hole in the bottom of the body is located near the objective end, on the center viewing axis.
The Owner's Manual recommends using the "optional Pentax Tripod Adapter", but I encountered no difficulty in mounting the binocular directly on an ordinary tripod.
The rubber-like "armor" provides a secure grip. The knurled central focusing wheel moves smoothly. Three turns of the wheel span its full range of focal adjustment. There are no marks on the focusing wheel.
The knurled diopter adjustment (on the right eyepiece) has 40 click-stops spanning its full mechanical range. I cannot report its optical range, which is not specified in the Owner's Manual.
Zero is marked on the diopter ring. I wear contact lenses, and the zero-correction setting works well for me.
At 8.5 power, the exit pupil is small (2.47 mm) but I had no difficulty getting a unified stereoscopic image.
The range of separation of the eyepieces accommodates an interpupillary distance of approximately 2.25" to 3".
Others have mentioned troublesome sun-flash under certain conditions -- while I didn't specifically test for this, I encountered no such fault on a sunny day at altitude.
I could do without the inset purple "Papilio 8.5x21" logo, but at least the even-less-welcome butterfly-hologram sticker was easily removed and left no mark.
Still, my overall impression of the instrument is one of high quality. I certainly feel that it offers excellent value for the money.
The Pentax warranty ... Read More
Rating:  -
I had been looking for some time for a set of compact close-focus binos for butterfly and moth observation, and as a light-weight backup when not carrying my birding glasses, when I stumbled upon the Pentax Papilio.
I am astounded at the close-focus capability of these glasses. There is, quite simply, nothing on the market in the same league. At 8.5x21, the exit pupil is quite small and it required a little bit of patience to get everything adjusted to my liking. The payoff was well worth the initial trial and error tinkering as I was introduced to a new world of close-up nature observation.
At long distances, there is a slight bit of noticeable chromatic aberration, but well within the range of acceptability for backup use and probably acceptable for most folks for general use. There are a lot of fine field glasses available for different purposes - if close focus is the most important feature for you, you will not be disappointed with the Papilio's.
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