Pentax 8.5x21 Papilio II
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| Weight: | 290 g |
| Brand: | Pentax |
| Description: | Type: binoculars, magnification: 8 x, lens diameter: 22 mm, exit pupil diameter: 2.75 mm, functions: pupillary distance adjustment, features: case/pouch included, design: retractable eyecups, multilayer |
| Width: | 116 |
| Height: | 55 |
| Additional Information: | Eyepiece lens caps, case |
| Type: | Binoculars |
| Length: | 110 mm |
| Lens diameter: | 21 mm |
| Exit pupil diameter: | 25 mm |
| Minimum focusing distance: | 0.5 m |
| Field of view at a distance of 1000 m: | 105 m |
| Increase: | 8.5 x |
| Angular field of view real: | 6° |
| Eye relief: | 15 mm |
| Diopter adjustment: | ±4D |
| Prism material: | BAK-4 |
| Interpupillary distance max.: | 74 mm |
| Relative brightness: | 6.3 |
| The Twilight Factor: | 13.4 |
| Prism type: | Porro |
| Focusing: | Central |