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Nikon ED50 Fieldscope Spotting Scope (Straight Viewing)

SKU: BDA121AA Categories: , Brand:


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Note: No Eyepiece included.

  • Waterproof & Fogproof
  • ED Glass
  • Multi-layer coated lenses
  • Conventional six MC eyepieces and three Wide DS eyepieces are compatible
  • 55mm filter attachable to the objective

The straight viewing Fieldscope ED50 Spotting Scope from Nikon is a compact and lightweight spotting scope with a 50mm ED (Extra-low Dispersion) objective lens for chromatic aberration. Nikon especially developed ED glass to provide precise optical color correction.

The ED50 scope is offered as straight or angled viewing design. Most users will prefer angled scopes because they are both simple to use for birds perched high above the viewer as well as easily simultaneously shared amongst users of differing heights. But some will prefer the straight viewing models, for these are much easier to use when hunting down the object of interest in the first place.

Nikon’s Fieldscope line of spotting scopes are premium offerings to compete with the best of sports optics manufactured in Japan or Europe. You choose your options based on concerns for mass and budget: straight or angled, objective diameter, and whether to spring for the ED (extra-low dispersion) glass for more favorable appreciation of highly detailed subjects.


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Objective Lens Diameter


Angle of View

at 13x (unspecified otherwise)

Field-of-View (@ 1000 Yds)

157′ (52 m at 1000 m) at 13x (unspecified otherwise)

Minimum Focus Distance

26.2′ (3 m)

Exit Pupil Diameter

13x: 3.8mm
30x: 1.6mm

Eye Relief

13mm at 13x (unspecified otherwise)

Relative Brightness

13x: 13.5
30x:  2.5

Twilight Factor

13x: 25.5
30x: 38.8


Waterproof (up to 3.3’/1 m for 5 minutes) and fog free with nitrogen gas


8.2 x 2.8″ (209 x 71mm) WxH [w/o eyepiece]


1 lb (455 g) [w/o eyepiece]

Nikon Fieldscope ED50 Spotting Scope (Straight Viewing) (No eyepiece)
  • Padded Case
  • Warranty

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