Focus Scientific

Celestron Trailseeker 100mm Angled Spotting Scope w/ 22-67x Zoom has been added to your Cart
Nikon Fieldscope ED50 50mm Angled 13-40x Zoom

The Nikon 50mm Fieldscope is your ultimate travel companion. The compactness and extreme light weight offer no excuse to leave it behind, but it doesn't stop there... Nikon added their best optics, so every outting into the wilderness will be experienced with the utmost clarity.

This is the least expensive high-quality ED scope we've been able to find. Experience nature, the Nikon way.


  • ED (Extra-low Dispersion) glass objective lens minimizes false color
  • Multilayer-coated lenses for crisp, bright images
  • Waterproof (up to 1m (3.3ft) for 5 minutes) and fogproof
  • Carry case included
  • Compatible with Nikon's MC and DS eyepieces


  • Magnification: 13x-40x (zoom)
  • Objective lens: 50mm (2")
  • Exit pupil: 3.8mm (.14") @ 13x
  • Eye relief: 14.1mm (.6") @ 13x
  • Angular field of view: 3° @ 13x
  • Field of view: 47.8m@1000m (157ft@1000yds) @ 13x
  • Close focus: 2.7m (9ft) @ 13x
  • Relative brightness: 14 @ 13x
  • Length: 250mm (9.8")
  • Width: 71mm (2.8")
  • Weight: 615g (21.5oz)
  • Warranty: Lifetime No-Fault