Nikon Interchangeable eyepiece SEP 30x/38x

SEP 30x/38x eyepiece for Nikon observation telescopes.

This special eyepiece provides bright, sharp images with 38x magnification when mounted on an 85mm diameter EDG Fieldscope and 30x magnification when mounted on a 65mm diameter model. It features a locking bayonet mount for quick and secure attachment to the observing scope and a movable eyecup for easy eye placement at the correct exit pupil position.

Other product features:

• Magnification: 38x when mounted to the EDG Fieldscope 85 and 30x 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.
• Movable rubber eyecup with multiple detent positions for easy eye placement at the correct exit pupil position.
• Exit pupil distance: 17.9 mm.
• Compatible with certain FEP fieldscope eyepiece connection adapters.
• Suitable for digiscoping with certain Nikon COOLPIX cameras.

Technical Details:

• Observation telescope EDG with objective diameter 65 mm
  Magnification: 30x
  Real field of view: 2.4°
  Apparent field of view: 64.3°
  Field of view at 1000 m: 42 m
  Exit pupil: 2.2
  Luminous intensity: 4.8
  Exit pupil distance (mm): 17.9
• Observation telescope EDG with objective diameter 85 mm
  Magnification: 38x
  Real field of view: 1.9°
  Apparent field of view: 64.3°
  Field of view at 1000 m: 33 m
  Exit pupil: 2.2
  Luminous intensity: 4.8
  Distance of exit pupil (mm): 17.9