Pentax UP Papilio II 8.5x21: Ultra-Compact Aspheric Porro Reverse Binoculars with 0.5m Close Focus
Pentax UP Papilio II 8.5x21: Ultra-Compact Aspheric Porro Reverse Binoculars with 0.5m Close Focus – Order Pentax UP Papilio II 8.5x21 Now
The Pentax UP Papilio II 8.5x21 is the ultimate pocket binocular for on-the-go explorers, theater-goers, and nature lovers, boasting an incredible 0.5 m minimum focus to reveal butterfly wings, museum artifacts, or painter's brushstrokes in stunning detail ("Papilio" means butterfly in Latin!). Featuring hybrid aspheric eyepiece lenses and BAK4 Porro reverse prisms for edge-to-edge sharpness without distortion, fully multi-coated optics deliver bright, high-contrast images across the 6° field of view (105 m at 1000 m). With 15 mm eye relief for glasses wearers, 2.47 mm exit pupil, and +/-4D diopter correction, it's effortless to use. The rubberized polycarbonate body (290 g, 116x110x55 mm) is splash-proof, shock-resistant, and tripod-mountable. Central focusing and twist-up eyecups make it intuitive – perfect for macro observation to distant scenery with unmatched portability.
Why Choose Pentax UP Papilio II 8.5x21?
- Macro Master: 0.5 m close focus – inspect insects, coins, art like a loupe in your pocket
- Flawless Edge-to-Edge: Aspheric + BAK4 prisms eliminate distortion for sharp full-field views
- Bright & Contrasty: Full multi-coating maximizes light transmission for vivid colors indoors/outdoors
- Glasses-Friendly: 15 mm relief, no eye pressing – twist-up cups block side light
- Rugged Pocket Size: 290 g splash/shock-proof – survives drops, light rain, travel bumps
- Wide IPD Range: 56-74 mm fits most users, central focus for quick adjustments
- Lightning EU Shipping: Direct from Split, Croatia – anywhere in Europe fast!
Order Pentax UP Papilio II 8.5x21 today for versatile mini-binoculars that punch above their weight!
Technical Specifications Table Pentax UP Papilio II 8.5x21
Specification | Value |
Magnification | 8.5x |
Objective Lens Diameter | 21 mm |
Exit Pupil | 2.47 mm |
Eye Relief | 15 mm |
Light Gathering Power | 6.10 |
Real Field of View | 6° (105 m @ 1000 m) |
Minimum Focus Distance | 0.5 m |
Interpupillary Distance | 56-74 mm |
Diopter Adjustment | +/-4 D |
Eyecups | Twist-up |
Prism Type | Porro Reverse (BAK4) |
Lens Coating | Full Multi-Layer |
Splashproof | Yes |
Shockproof | Yes |
Weight | 290 g |
Dimensions | 116 x 110 x 55 mm |
Tripod Mount | Yes |








