Nikon Coolshot 40 Binocular
Nikon (0018208089529 / BKA129SA) - CR2 - RoHS, WEEE - Exit pupil: 3.5 mm - Eye relief: 1,83 cm - Objective diameter: 2.1 cm - Magnification: 6 x - Measurement range: 7
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Nikon Coolshot 40 Binocular
The Nikon Coolshot 40 Binocular is a compact, high‑performance optical device that combines the convenience of binoculars with the precision of a laser rangefinder. Designed for outdoor enthusiasts, hunters, and sports observers, this unit delivers clear, bright images while providing accurate distance measurements up to 590 m.
Key Optical Features
- Magnification: 6× – Provides a balanced field of view that is wide enough for tracking moving targets yet powerful enough for detailed observation.
- Objective Diameter: 21 mm (2.1 cm) – A large aperture gathers ample light, ensuring bright and sharp images even in low‑light conditions.
- Exit Pupil: 3.5 mm – Allows a generous amount of light to reach the eye, enhancing visual clarity.
- Eye Relief: 1.83 cm (18.3 mm) – Comfortable for most users, including those who wear glasses.
- Field of View: 7° – A wide enough view to locate and track objects across a broad area.
Laser Rangefinder Integration
The Coolshot 40 Binocular incorporates a laser rangefinder module that measures distances from 7.5 m up to 590 m with high accuracy. The laser beam is emitted through the binocular’s optical path, allowing simultaneous viewing and measurement without the need for a separate device.
- Measurement Range: 7.5–590 m – Suitable for hunting, birdwatching, and sports such as golf or archery.
- Battery Requirement: One CR2 battery – A single, widely available rechargeable cell powers both the optics and laser system.
- Power Efficiency: Designed to operate on a single battery for extended periods, making it ideal for long outings.
Durability & Build Quality
The Coolshot 40 Binocular is engineered with rugged construction to withstand outdoor use. Its waterproof design protects against splashes and light rain, while the robust housing resists accidental drops and impacts.
- Weight: 160 g – Lightweight enough for handheld use over extended periods without fatigue.
- Certification: RoHS & WEEE compliant – Meets stringent environmental standards for electronic components.
User Experience & Comfort
With a carefully balanced design, the Coolshot 40 Binocular offers an ergonomic grip and smooth focusing mechanism. The eye relief of 1.83 cm ensures that users can maintain a comfortable viewing position even when wearing prescription glasses.
- Color Options: White or blue – Allows personalization to match user preference or field conditions.
- Optical Coatings: High‑quality anti‑reflection coatings on lenses reduce glare and enhance light transmission, resulting in clearer images.
Applications & Use Cases
This versatile device is ideal for a range of outdoor activities where both observation and distance measurement are critical:
- Hunting: Quickly gauge the distance to game while maintaining situational awareness.
- Birdwatching: Observe birds in flight or perched, with precise distance data for research or hobbyist tracking.
- Sports Observation: Track ball trajectories in golf, tennis, or football, and measure distances for coaching purposes.
- Outdoor Exploration: Assess terrain features, cliffs, or water bodies during hikes or expeditions.
Technical Summary
| Specification | Value |
|---|---|
| Magnification | 6× |
| Objective Diameter | 21 mm (2.1 cm) |
| Exit Pupil | 3.5 mm |
| Eye Relief | 1.83 cm |
| Field of View | 7° |
| Measurement Range | 7.5–590 m |
| Battery Type | CR2 (1 cell) |
| Weight | 160 g |
| Waterproof | Yes |
| Certifications | RoHS, WEEE |
Conclusion
The Nikon Coolshot 40 Binocular stands out as a compact, reliable tool that merges optical clarity with precise laser ranging. Its lightweight construction, ergonomic design, and durable waterproof build make it an excellent choice for anyone who demands both high‑quality vision and accurate distance measurement in the field.
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| Tags | Nikon Coolshot 40 |
| Identifiers | |
| Brand | ![]() Nikon is a Japanese company that produces cameras, lenses, binoculars, microscopes, and other optical equipment. It was founded in 1917 as a manufacturer of optical glass and instruments. Nikon entered the camera market in 1948, and has been a leading producer of digital cameras since the release of the Nikon D1 in 1999. Nikon is also a major supplier of camera components to other camera manufacturers. |
| Model | Nikon BKA129SA |
| MPN | Nikon BKA129SA |
| ID | 8959626 |
| Dimensions / Weight | |
| Key Features | |
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Battery type The chemical composition or classification of a battery, such as alkaline, lithium‑ion, NiMH, or lead‑acid. It indicates the energy storage technology used in the product and helps users identify compatibility with devices that require specific battery chemistries.
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CR2 |
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Certification A list of official certifications or compliance marks that the product has received from regulatory bodies, safety organizations, or industry standards groups. Each entry represents a distinct certification such as CE, FCC, RoHS, UL, or WEEE, and may include additional details like version numbers or specific test reports.
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RoHS, WEEE |
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Exit pupil The exit pupil diameter is the linear size of the opening through which light exits an optical device, measured in millimetres (mm). It indicates how much light can pass through the system and affects brightness and field of view. This measurement helps users compare compatibility with lenses, filters or accessories that require a specific aperture.
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3.5 mm |
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Eye relief The distance from the eyepiece to the eye that allows a user to see the full field of view without strain or loss of image size. It is measured in linear units such as millimetres or centimetres and applies to optical devices like binoculars, telescopes and cameras.
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1,83 cm |
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Magnification The optical magnification factor of a device such as a camera lens, binoculars or telescope. It indicates how many times larger an object appears compared to its actual size when viewed through the product. Values are expressed as a multiplier (e.g., 2x, 10x).
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6 x |
| Measurement range | 7.5 - 590 m |
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Number of batteries supported The total count of battery cells that the product can accommodate or use. The value may be a simple integer (e.g., "4") or include the type of battery (e.g., "2x AAA"). It indicates how many individual batteries are required for operation, whether they are included in the package or need to be purchased separately.
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1 |
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Objective diameter The linear measurement across the widest part of a telescope’s objective lens, expressed in units such as millimeters or centimeters. It indicates the size of the primary optical element and determines light‑gathering capability and image quality.
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2.1 cm |
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Weight The mass of the product expressed in a standard unit such as grams or kilograms. It represents how heavy the item is and can be used for shipping calculations, handling instructions, or consumer information.
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160 g |

