Description
Nikon Fieldscope ED 40×50 A Product description
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Superior ED Glass Optics: The Fieldscope ED 40×50 A features Extra-low Dispersion (ED) glass elements, effectively minimizing chromatic aberration to deliver images with exceptional true-to-life color fidelity and contrast, even at high magnification.
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Fixed 40x Magnification Precision: Offering a potent 40x fixed magnification, this spotting scope provides a consistent, clear view for detailed observation, making it ideal for pinpointing distant subjects without the need for zoom adjustments.
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Angled Viewing Comfort: The 40×50 A (Angled) eyepiece design ensures comfortable prolonged observation, especially when used on a tripod for birding or wildlife viewing. This angled configuration makes it easy to share views among groups without frequent height adjustments.
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Robust All-Weather Construction: Built for the outdoors, the scope is nitrogen-purged and O-ring sealed, making it fully waterproof and fogproof. Its durable, rubber-armored casing provides a secure grip and enhances its shock resistance for reliable field use.
ABOUT THE NIKON FIELDSCOPE ED 40X50 A
The Nikon Fieldscope ED 40×50 A stands out in its series by combining extreme portability with fixed 40x magnification power and high-performance ED (Extra-low Dispersion) glass optics. This compact and lightweight spotting scope is engineered for those who demand superior optical clarity and color accuracy without the bulk of larger models, making it perfectly suited for avid birdwatchers, nature enthusiasts, and casual wildlife observers who need a reliable, travel-friendly optic. Its integrated design, featuring an angled eyepiece, offers comfortable extended viewing sessions, particularly beneficial for group settings or when observing from a seated position. The advanced optical system utilizes fully multi-coated lenses and dielectric high-reflective multilayer prism coatings, ensuring maximum light transmission and delivering bright, high-contrast images. The robust, rubber-armored body with an integrated sliding sunshade further enhances its durability and user experience, protecting against glare and impact in diverse environments. This model represents a blend of Nikon’s optical excellence and practical design for discerning outdoor adventurers.
ABOUT NIKON
Nikon, a globally recognized leader in optics and imaging equipment, was founded in Tokyo, Japan, in 1917. With a heritage spanning over a century, Nikon is celebrated for its commitment to precision Japanese engineering and innovation across a vast range of products, including cameras, binoculars, microscopes, and advanced optical instruments. The company’s philosophy emphasizes pushing the boundaries of optical technology to deliver products known for their unparalleled clarity, durability, and performance. Nikon’s reputation for crafting optics that stand up to the rigors of professional use makes it a trusted brand among adventurers, researchers, and photographers worldwide.
MAIN FEATURES
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Objective Lens Diameter: 50 mm
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Magnification: 40x fixed
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Eyepiece Type: Angled (A)
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Prism Type: Porro prism system
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Optical Glass: ED (Extra-low Dispersion) glass for superior chromatic aberration correction
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Coatings: Fully multi-coated lenses, dielectric multicoating on prisms
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Focus System: Integrated, single-speed focus
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Waterproof/Fogproof: Nitrogen-purged and O-ring sealed for all-weather performance
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Body Material: Durable, lightweight housing, rubber-armored for grip and shock resistance
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Eye Relief: Generous eye relief, ideal for eyeglass wearers
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Features: Integrated sliding sunshade, tripod adaptable
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Dimensions (L x W): Approximately 277 x 70 mm
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Weight: Approximately 620 g
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 A spotting scope (integrated body and 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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Nikon instruction manual
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Warranty card
General properties
| Manufacturer | Nikon |
|---|---|
| Spotting Scope Series | Nikon Fieldscope ED50 |
| Made in | Japan |
| Warranty | 10 years |
| SKU | BDA126AA+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. | 207.00mm |
|---|---|
| Width. | 71.00mm |
| Weight. | 660.00 g |
| Filled with | Nitrogen |
| Lens coating | Fully Multicoated |
| Objective diameter | 71 mm |
| Eyepiece angle | 45° |
| Objective tread | – |
| Body type | Fixed |
Special features
| Waterproof | Yes |
|---|---|
| Fogproof | Yes |
| Special features | Fogproof, Fully multicoated, Variable, Waterproof |
| Tripod adaptable | Yes |
| Photo adapter | Yes |




