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The Royal Society for the Protection of Birds
Pine shelter belt and grazing marsh, early evening at North Warren RSPB reserve Black Guillemot at sunset Snowdrops in Stefans Buczacki's garden

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Nikon

Online Catalogue >  Telescopes  >  Nikon

ED50 Eyepieces ED50 Eyepieces
These portable models pack powerful features into compact designs. These are the same eyepieces that are used for all the Fieldscope models.


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• Compact and lightweight with 50mm-diameter ED (Extra-low Dispersion) objective lens to minimize chromatic aberration
• Available in straight or angled design
• Multilayer-coated lenses
• Waterproof (up to 1m/3.3 ft. for 5 minutes) and fog-free with nitrogen gas
• Choose from three colors - charcoal grey, pearlescent green and rose pink
• Compatible with six MC eyepieces and three Wide DS eyepieces (options)
• 55mm filter can be attached to objective lens

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ED50
16x
20x
 27x 13-30x 13-40x
Magnification:16x 20x 27x13-30x 13-40x
Exit Pupil mm: 3.1 2.5 1.9 3.8 (13x) 3.8 (13x)
Eye Relief mm: 18.7 17.9 17.8 12.9 (13x) 14.1 (13x)
Field of View deg: 4.5 3.6 2.7 3.0 (13x) 3.0 (13x)
Weight g: 170 160 165 100 150


Nikon Scopes
© 2008 The Royal Society for the Protection of Birds. Charity registered in England and Wales no 207076, in Scotland no SC037654

Show/hide picture credits
Pine shelter belt and grazing marsh, early evening at RSPB North Warren reserve - Andy Hay (rspb-images.com, Ref: 2003-4784-009 )
Black Guillemot at sunset - Andy Hay (rspb-images.com, Ref: 1022652 )
Snowdrops in Stefans Buczacki's garden - Andy Hay (rspb-images.com, Ref: 2003-4699-009)