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Nikon 20-45X (φ60) Zoom/25-56X (φ78) Zoom Eyepiece MC [BDB90063]

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  • Nikon 20-45X (φ60) Zoom/25-56X (φ78) Zoom Eyepiec Eyepiece MC  Fieldscope Eyepieces Nikon 20-45X (φ60) Zoom/25-56X (φ78) Zoom Eyepiec Eyepiece MC  Fieldscope Eyepieces

Quick Overview


  • Angular field of view

  • Relative brightness

  • High Resolution


RRP: $532.44

Special Price: $437.40

SAVE: $95.04 (17.8%)

Availability: In stock

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Details

Dedicated eyepiece with variable magnification. Allows digiscoping with certain Nikon COOLPIX cameras and the Fieldscope III, EDIII, ED82 and ED50. Features an advanced multilayer lens coating for superior light transmission and clear, high resolution images.

  • All lenses are multilayer coated for maximum brightness of view field. "MC" stands for Multilayer Coating.
  • Turn-slide rubber eyecup is applied to the wide type eyepiece for comfortable viewing. It helps you position your eyes at the correct eyepoint.
  • Optics employ Eco-glass containing no arsenic or lead.

Compatible with: ED50 A/ED50 A, III/III A/EDIII/EDIII A, ED82/ED82 A.

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Features

  • Magnification: 20-45x when attached to a Fieldscope III or EDIII; 25-56x when attached to a Fieldscope ED82; and 13-30x when attached to a Fieldscope ED50.
  • Angular field of view (Real/degree): 2 at 20x magnification when attached to a Fieldscope III or EDIII; and 1.6 at 25x magnification when attached to Fieldscope ED82; and 3 at 13x magnification when attached to Fieldscope ED50.
  • Angular field of view (Apparent/degree): 38.5 for all models. At 20x magnification when attached to a Fieldscope III or EDIII; at 25x magnification when attached to a Fieldscope ED82; and at 13x magnification when attached to a Fieldscope ED50.
  • Field of view at 1,000m: Approximately 35 m when attached to a Fieldscope III or EDIII at 20x magnification; 28 m when attached to a Fieldscope ED82 at 25x magnification; and 52 m when attached to a Fieldscope ED50 at 13x magnification.
  • Exit pupil: 3 mm at 20x magnification when attached to a Fieldscope III or EDIII; 3.3 mm at 25x magnification when attached to a Fieldscope ED82; and 3.8 mm at 13x magnification when attached to a Fieldscope ED50.
  • Relative brightness: 9 at 20x magnification when attached to a Fieldscope III or EDIII; 10.9 at 25x magnification when attached to a Fieldscope ED82; and 14.4 at 13x magnification when attached to a Fieldscope ED50.
  • Eye relief: 12.9 mm for all models at: 20x magnification when attached to a Fieldscope III or EDIII; 25x magnification when attached to a Fieldscope ED82; and 13x magnification when attached to a Fieldscope ED50.
  • Weight: 100 g.

Specifications

Eye Relief (mm) 12.9
Weight (g) 100
Angular field of view (Apparent/degree) 38.5
Magnification (x) (With/ED50 A/ED50 A)   13-30
Magnification (x) (With III/III A/EDIII/EDIII A) 20-45
Magnification (x)(With ED82/ED82 A) 25-56
Angular field of view (Real /degree) (With/ED50 A/ED50 A)  3.0 (at 13x)
Angular field of view (Real /degree) (With III/III A/EDIII/EDII  2.0 (at 20x)
Angular field of view (Real /degree) (With ED82/ED82 A)   1.6 (at 25x)
Field of view at 1,000m (m) (approx#) (With/ED50 A/ED50 A) 52 (at 13x)
Field of view at 1,000m (m) (approx#) (With III/III A/EDIII/EDI) 35 (at 20x)
Field of view at 1,000m (m) (approx#) (With ED82/ED82 A) 28 (at 25x)
Exit pupil (mm) (With/ED50 A/ED50 A ) 3.8 (at 13x)
Exit pupil (mm) (With III/III A/EDIII/EDIII A) 3.0 (at 20x)
Exit pupil (mm) (With ED82/ED82 A 3.3 (at 25x)
Relative brightness (With/ED50 A/ED50 A) 14.4 (at 13x)
Relative brightness (With III/III A/EDIII/EDIII A) 9.0 (at 20x)

Relative brightness (With ED82/ED82 A)

10.9 (at 25x)
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