Description: Swains National Geographic 10x50 Porro Binocular
The National Geographic 10×50 Porro binoculars deliver a broad 10× magnification and generous 50 mm objective lenses, making them ideal for nature and bird watching—even in low-light or twilight conditions. Their classic Porro-prism design ensures excellent depth perception and contrast, enhanced by fully coated optics that improve light transmission and color fidelity. The sturdy build and tripod-compatible design make them well-suited for prolonged outdoor observation, and they’re beginner-friendly thanks to the included diopter compensation.
Key Features: Swains National Geographic 10x50 Porro Binocular
- Magnification & Optics: 10× magnification with 50 mm objective lenses and fully coated optics for bright, high-fidelity images
- Field of View: Approximately 96 m at 1000 m (≈ 5.49°), providing a broad, easy-to-follow view
- Design: Porro prism configuration; body constructed from metal with a rubber‑armoured exterior for a firm grip and protection
- Diopter Adjustment: Included for focusing differences between eyes—ideal for personalized settings
- Tripod Compatibility: Built-in tripod adapter thread for stable, hands-free observation
- Durability & Warranty: Comes with a 5‑year extended warranty
- Other Specs: Uses BK‑7 prism glass, weighs 780 g (without accessories), dimensions approx. 195 × 190 × 62 mm, focus wheel requires about 1.25 turns for full range
Specifications: Swains National Geographic 10x50 Porro Binocular
- Optical Design: Porro prism
- Magnification: 10×
- Objective Lens Diameter: 50 mm
- Type of Coating: Fully coated
- Prism Glass Material: BK‑7
- Field of View (1000 m): 96 m (≈ 5.49°)
- Relative Brightness: 25
- Twilight Factor: 22.36
- Diopter Compensation:Yes
- Tripod Adapter Thread: Yes
- Body Construction: Metal with rubber armoring
- Weight (without accessories): 780 g
- Dimensions (L×W×H): 195 × 190 × 62 mm
- Focus Wheel Travel: ~1.25 turns
- Interpupillary Distance: 56.8–70.6 mm
- Warranty: 5 years
- Waterproof / Nitrogen-Filled: No
Kit Contents:
- Swains National Geographic 10x50 Porro Binocular
- Lens cleaning cloth
- Carrying/neck strap
- Protective carrying case or pouch
- Limited 5‑year warranty
For more information about, National Geographic 10x50 Porro Binoculars website.
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