Olympus 8×40 S Binocular
In The Box
- Olympus 8×40 S Binocular
Olympus 8×40 S Binocular
The Olympus 8×40 S binoculars from the Explorer S series are designed for immersive observation with a classic Porro-prism layout, 8× magnification and 40 mm objective lenses to deliver bright, clear views even in less favourable light. The wide field of view combined with anti-reflection coated optics and an elastomer/rubber-armour body make them well suited for nature watching, sporting events or general outdoor use. A large centre focus wheel, fold-down eyecups (for use with glasses) and smooth ergonomics ensure ease of use.
Key Features
- 8× magnification for steady handheld viewing.
- 40 mm objective lenses that provide a relatively large exit pupil and good light gathering.
- Porro-prism configuration offering enhanced depth perception and wide field of view.
- Anti-reflection coated lenses and prisms for increased contrast and clarity.
- 60° (approx) apparent field of view or ~8.2° actual angle of view, facilitating comfortable scanning of scenes.
- Fold-down eyecups and 12 mm eye relief make them usable with glasses.
- Rubber/elastic polymer armour for grip and durability in outdoor conditions.
Best Suitable
- Bird-watching, wildlife and nature observation where you want a comfortable magnification and good light gathering.
- Sporting events or outdoor arenas where you need a wide field of view to follow action.
- Travel, sightseeing, and general use outdoors where robustness and ease-of-use are important.
- Users with glasses (thanks to fold-down eyecups and 12 mm eye relief) who need good optical performance.
FAQ – Olympus 8×40 S Binocular
Is this model weather sealed/waterproof?
The publicly available specifications do not list waterproofing or full environmental sealing for this model.
What is the minimum focus distance?
According to one source, the closest focusing distance is approximately 4 m.
Will the field of view be wide enough for fast-moving subjects?
Yes, the wide apparent view (~60°) and generous field help in tracking movement.
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Specifications
| Magnification | 8× |
|---|---|
| Objective Lens Diameter | 40 mm |
| Optical Design | Porro Prism |
| Lens Coating | Anti-Reflective Coating, UV Protection |
| Angle of View (Actual) | 8.2° |
| Field of View (at 1000 m) | 143 m |
| Apparent Field of View | 59° |
| Exit Pupil Diameter | 5.0 mm |
| Eye Relief | 12 mm |
| Interpupillary Distance | 60–70 mm |
| Minimum Focusing Distance | 4 m |
| Relative Brightness | 25.0 |
| Focusing System | Central Focusing Wheel |
| Diopter Adjustment Range | ±2 m⁻¹ |
| Dimensions (W × H × D) | 183 × 142 × 60 mm |
| Weight | 715 g |
| Body Material | Rubber-Coated Finish |
| Tripod Adaptable | Yes |
