Nikon SEP-20-60 eyepiece

• Dedicated eyepiece for use with specific Nikon PROSTAFF 5 Fieldscope.
• Designed for digiscoping with certain COOLPIX cameras.
• Bayonet mount with lock for easy attachment and release.
• Fully multi-layer coated
• Water resistance
• Long eye relief
• New Turn-slide eyecups - for DS in case turn-slide is pulled in, for adjustable eye relief in case turn-slide is pulled out.

Magnification (x)
With 82/82-A: 20-60 
With 60/60-A: 16-48
Angular field of view (Real/degree)
With 82/82-A: 2.1 (at 20x) 
With 60/60-A: 2.6 (at 16x)
Angular field of view (Apparent/degree)
With 82/82-A: 39.9 (at 20x) 
With 60/60-A: 39.9 (at 16x)
Field of view at 1,000 m (m)
With 82/82-A: 36 (at 20x) 
With 60/60-A: 45 (at 16x)
Exit pupil (mm)
With 82/82-A: 4.1 (at 20x) 
With 60/60-A: 3.8 (at 16x)
Relative brightness
With 82/82-A: 16.8 (at 20x) 
With 60/60-A: 14.4 (at 16x)
Eye relief (mm)
With 82/82-A: 16.9 (at 20x) 
With 60/60-A: 16.9 (at 16x)
Weight (g)

225