Nikon Interchangeable eyepiece SEP 16-48x/20-60x

Eyepiece SEP 16-48x/20-60xforobservation telescopes of the EDG series of Nikon.

This special eyepiece provides bright, sharp images with 20x to 60x magnification when mounted on an 85mm diameter EDG Fieldscope and 16x to 48x magnification when mounted on a 65mm diameter model. It features a locking bayonet mount for quick and secure attachment to the observing scope. With its large exit pupil distance, this Zoomocular is an excellent choice for observing objects at various distances, even for eyeglass wearers.

Other product features:

• Magnification: 50x when mounted to the EDG Fieldscope 85 and 40x when mounted to the EDG Fieldscope 65.
• Bayonet mount with locking mechanism for quick and secure attachment.
• Multi-coated lenses reduce internal reflections and flare and have superior light transmission for a sharp, clear image.
• Aspherical lenses for bright, brilliant images with balanced colors and minimal distortion.
• Waterproof (up to 10 minutes at 2 m depth) and fogproof thanks to O-ring seals and nitrogen filling.
• Large exit pupil distance: 18.5 to 2.0 mm when mounted to EDG Fieldscope 85 and 16.8 to 2.0 mm when mounted to EDG Fieldscope 65.
• Compatible with certain FEP Fieldscope eyepiece mount adapters.
• Suitable for digiscoping with certain Nikon COOLPIX cameras.

Technical Details:

• Observation telescope EDG Lens diameter 65 mm
  Magnification: 16x to 48x
  Real field of view: 2.8° to 1.4°
  Apparent field of view: 42° to 60°
  Field of view at 1000 m: 49 to 24 m
  Exit pupil: 4.1-1.4
  Luminous intensity: 16.8-2.0
  Exit pupil distance (mm): 18.4-16.5
  
• Observation telescope EDG Objective lens diameter 85 mm
  Magnification: 16x to 48x
  Real field of view: 2.2° to 1.1°
  Apparent field of view: 42° to 60°
  Field of view at 1000 m: 38 to 19 m
  Exit pupil: 4.3-1.4
  Luminous intensity: 18.5-2.0
  Exit pupil distance (mm): 18.4-16.5