Description
Nikon Fieldscope ED 40×50 Product description
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Exceptional Optical Clarity: Featuring ED (Extra-low Dispersion) glass, this Fieldscope delivers images with remarkable colour fidelity and sharpness, minimizing chromatic aberration for a truly natural view. It ensures crisp, high-contrast observations even in challenging lighting conditions.
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Robust and Weatherproof Design: Engineered for the outdoors, the Fieldscope ED 40×50 is waterproof and fog-proof, thanks to its nitrogen-purged construction. Its durable, rubber-armored body provides enhanced grip and protection against impacts, making it ideal for harsh environments.
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Integrated Wide-Angle Eyepiece: The included WW DS 40x wide-angle eyepiece provides a broad field of view, making it easier to track moving subjects or scan expansive landscapes. This fixed magnification offers consistent, bright, and detailed views for extended observation sessions.
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Compact and Portable: Designed for adventurers, birdwatchers, and hunters who value portability, its compact dimensions and lightweight build ensure it’s easy to carry on long excursions. The straight viewing design allows for quick target acquisition, perfect for spontaneous sightings.
ABOUT THE Nikon Fieldscope ED 40×50
The Nikon Fieldscope ED 40×50 with its integrated WW DS 40x Eyepiece stands out in its series by offering a compact yet powerful optical solution. This model combines a 50mm objective lens with a fixed 40x magnification, optimized for detail and portability. Equipped with Nikon’s renowned ED (Extra-low Dispersion) glass, it effectively corrects chromatic aberrations, delivering images with superb clarity, contrast, and true-to-life colours. The Porro prism system further enhances brightness and depth of field. Intended for birdwatching, nature observation, and casual target shooting, its straight viewing design facilitates rapid target acquisition. The robust, rubber-armored body ensures durability and a secure grip, while nitrogen purging guarantees waterproof and fog-proof performance in all weather conditions. This Fieldscope is built for users seeking high optical performance in a lightweight, reliable package.
ABOUT NIKON
Nikon Corporation, founded in 1917 in Japan, is a world-renowned leader in optics and imaging. Celebrated for its precision engineering and innovative optical technologies, Nikon has a rich tradition of producing high-quality cameras, binoculars, and spotting scopes. The company’s philosophy centers on pushing the boundaries of optical performance, making their products a favorite among professionals and enthusiasts globally. Nikon is particularly known for its use of ED (Extra-low Dispersion) glass and advanced lens coatings, ensuring exceptional image quality, brightness, and durability across its diverse product range. Their commitment to innovation and craftsmanship reinforces their reputation for outstanding reliability.
MAIN FEATURES
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Objective Lens Diameter: 50 mm
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Magnification: 40x (fixed)
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Eyepiece: Wide-angle DS 40x (integrated)
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Optical Glass: ED (Extra-low Dispersion) glass for superior chromatic aberration correction
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Prism Type: Porro prism for bright, sharp images
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Orientation: Straight viewing for quick target acquisition
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Focus Mechanism: Smooth helical focusing
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Waterproof: Yes (nitrogen-purged for fog-proofing)
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Body Material: Lightweight, durable construction with rubber armoring
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Tripod Mount: Standard tripod thread
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Compatibility: Integrated body and eyepiece for dedicated performance
WARRANTY
This product is covered by a 10-year global warranty that includes defects in materials and manufacturing under normal use.
IN THE BOX
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Nikon Fieldscope ED 40×50 Spotting Scope with integrated WW DS 40x Eyepiece
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Objective Lens Cap
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Eyepiece Cap
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Soft Carrying Case
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User Manual
General properties
| Manufacturer | Nikon |
|---|---|
| Spotting Scope Series | Nikon Fieldscope ED50 |
| Made in | Japan |
| Warranty | 10 years |
| SKU | BDA121AA+BDB90098-40c |
Optical properties
| Variable magnification | No |
|---|---|
| Minimal magnification. | 40.00 x |
| Maximum magnification. | 40.00 x |
| Lens diameter. | 50.00mm |
| Min. exit pupil. | 1.30mm |
| Max. field of view… | 31.00 m/1000m |
| Maximal field of view (deg.) | 1.8° |
Physical properties
| Length. | 209.00mm |
|---|---|
| Width. | 71.00mm |
| Weight. | 645.00 g |
| Filled with | Nitrogen |
| Lens coating | Fully Multicoated |
| Objective diameter | 71 mm |
| Eyepiece angle | 0° |
| Objective tread | – |
| Body type | Fixed |
Special features
| Waterproof | Yes |
|---|---|
| Fogproof | Yes |
| Special features | Fogproof, Fully multicoated, Waterproof |
| Tripod adaptable | Yes |
| Photo adapter | No |



