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- Multi-coated, aspherical optical elements and BaK4 prisms to produce a sharp, clear image;
- Long Eye Relief of 15mm.
- Rubber, shock-resistant housing that provides a firm, comfortable grip.
- Dual-axis eye-distance adjustment mechanism;
- Extendable helicoid-type eyepiece rings with pop-up mechanism;
- Diopter adjuster with click-stop lock mechanism;
- Neck strap with quick installation/removal mechanism.
- Tripod receptacle for stable observation.
The 8.5x21 binocular is part of an optics series called Papilio, the Latin word for butterfly, because it was specifically developed to satisfy the need for close-range observation of butterflies and other insects. All members of the series also feature go-anywhere portability, making them ideal for spectator sports, travel and hiking.
Need to get up really close in a hurry? You can. The PENTAX Papilio 8.5x21 binoculars incorporate a new mechanism that can offer a minimum focusing distance of just 1.6 feet. That's waaay shorter than the 6.5 feet offered by other PENTAX models currently on the market.
Pentax 8.5x21 Papilio
Detailed Product Specifications
| Binoculars Series |
Papilio Butterfly Series Binoculars |
| Brand |
Pentax |
| Close Focusing Distance |
1.6 ft. |
| Dimensions (in) |
4.6H x 4.3W |
| Exit Pupil |
2.5 mm |
| Eye Relief |
15 mm |
| Field of View @ 1000 Yards |
315 ft. |
| Focus Type |
Center |
| Magnification |
8.5 X |
| Objective Lens Diameter |
21 mm |
| Prism Type |
Porro Prism Binoculars |
| Relative Brightness |
6.3 |
| Series |
Binoculars Series |
| Size |
Compact Binoculars |
| Waterproof |
No |
| Weight |
10.2 oz. |
Customers who looked at the Pentax 8.5x21 Papilio Binoculars also looked at the following Bird Watching Binoculars:
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