Nikon 13-40X 20-60X 25-75X MC II Eyepiece


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  • Product Description
  • Specifications
  • What's in the Box?
  • Warranty

Nikon 13-40X 20-60X 25-75X MC II Eyepiece

Key Features:
  • All lenses are multilayer coated for maximum brightness of view field. "MC" stands for Multilayer Coating.
  • Turn-slide rubber eyecup is applied to the wide type eyepiece for comfortable viewing. It helps you position your eyes at the correct eyepoint.
  • Optics employ Eco-glass containing no arsenic or lead.

The perfect addition to your Nikon Fieldscope. Designed for outdoor enthusiasts and birdwatchers, this high-quality eyepiece delivers crystal-clear images with exceptional detail and clarity.

With three magnification settings - 13-40x, 20-60x, and 25-75x - this eyepiece is versatile enough to handle a wide range of viewing situations, from long-range birding to close-up nature observation. The MC II coating ensures excellent light transmission and image contrast, while the large diameter lens provides a bright, clear image even in low light conditions.

The ergonomic design of the Nikon 13-40X 20-60X 25-75X MC II Eyepiece ensures comfortable viewing for extended periods, even with glasses on. The eyepiece features a quick and easy-to-use bayonet mount, making it easy to switch between eyepieces for different magnification settings.

Magnification (x) 13-40 20-60 25-75
Angular field of view (Real/degree) 3.0 (at 13x) 2.0 (at 20x) 1.6 (at 25x)
Angular field of view (Apparent/degree) 38.5 (at 13x) 38.5 (at 20x) 38.5 (at 25x)
Field of view at 1,000m (m) (approx.) 52 (at 13x) 35 (at 20x) 28 (at 25x)
Exit pupil (mm) 3.8 (at 13x) 3.0 (at 20x) 3.3 (at 25x)
Relative brightness 14.4 (at 13x) 9.0 (at 20x) 10.9 (at 25x)
Eye relief (mm) 14.1 (at 13x) 14.1 (at 20x) 14.1 (at 25x)
Weight (g) 150 150 150
  • Nikon 13-40X 20-60X 25-75X MC II Eyepiece
10 Year Warranty