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Nikon

Nikon 20-60W Eyepiece for Monarch Fieldscopes (20-60x when used with 82mm & 16-48x when used with 60mm Monarch Fieldscopes)

SKU: NKFS2060XM MFR: 6988
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About the Nikon 20-60W Eyepiece



Nikon 20-60W Eyepiece Includes

  • Front and Rear Caps (2)
  • Nikon 25 Year U.S.A. Warranty
  • Lifetime $10.00 No-Fault Repair/Replacement Policy

Nikon 20-60W Eyepiece Features

  • Advanced optical system provides a wide field of view and comfortable eye relief
  • Refined optical design corrects chromatic aberrations effectively and delivers auniformly sharp image throughout the field of view
  • CircuLock system is employed so that an eyepiece can be easily and smoothly attached/detached, with the eyepiece mounting firmly secured
  • Multilayer coating is applied to surfaces of all lens elements
  • Connecting joint is sealed with waterproof packing to ensure waterproof performance when attached to a Fieldscope

Nikon 20-60W Eyepiece Specifications

Magnification with 82mm Scopes 20-60x
Magnification with 60mm Scopes 16-48x
Real Field of View with 82mm Scopes 2.1° at lowest magnification
Real Field of View with 60mm Scopes 2.6° at lowest magnification
Apparent Field of View with 82mm Scopes 40.5° at lowest magnification
Apparent Field of View with 60mm Scopes 40.5° at lowest magnification
Field of View at 1000m with 82mm Scopes 37m at lowest magnification
Field of View at 1000m with 60mm Scopes 46m at lowest magnification
Exit Pupil with 82mm Scopes 4.1mm at lowest magnification
Exit Pupil with 60mm Scopes 3.8mm at lowest magnification
Relative Brightness with 82mm Scopes 16.8 at lowest magnification
Relative Brightness with 60mm Scopes 14.4 at lowest magnification
Eye Relief 16.1mm at lowest magnification
Length 3.45" / 88mm
Outer Diameter 2.15" / 55mm
Weight 10.95oz / 310g
Waterproof Performance Eyepiece: Not waterproof
With Fieldscope attached: Waterproof (water equivalent to 5mm per minute for a duration of 30 minutes)
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