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Nikon FEP-20W w/Case EDG Eyepieces Fieldscopes [BDB800AA]

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  • Nikon FEP-20W w/Case EDG Eyepieces Fieldscopes Nikon FEP-20W w/Case EDG Eyepieces Fieldscopes

Quick Overview


  • Seven new eyepieces

  • Easy attachment and release

  • Fully multilayer-coated

RRP: $1,075.68

Special Price: $869.00

SAVE: $206.68 (19.2%)

Availability: In stock

or 4 interest free payments of 217.25
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Details

  • Seven kinds of new eyepieces for optimum optical performance
  • Bayonet mount with lock for easy attachment and release
  • Fully multilayer-coated
  • Waterproof up to 2m for 10 min., and fog-free — thanks to O-rings and nitrogen gas (body-and-eyepiece joint is water-resistant)
  • Turn-and-slide eyecup with three click stops: one for observing with the naked eye, one for observing with eyeglasses, and the other for digiscoping (except FEP-30W, FEP-25 LER and FEP-20-60)
  • FEP-30W offers a choice of eyecup: soft rubber eyecup for observation and digiscoping eyecup for connection with Digital Camera Bracket FSB series
  • FEP-25 LER has ultra-long 32.3mm eye relief
  • FEP-20-60 featuring long eye relief of 18.4-16.5mm employs an aspherical lens to minimise image distortion
  • Compact digital camera COOLPIX series can be attached to eyepiece of FEP series (except FEP-20-60) with Digital Camera Bracket FSB series
  • Models compatible with COOLPIX series are limited.

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Features

  • Seven kinds of new eyepieces for optimum optical performance
  • Bayonet mount with lock for easy attachment and release
  • Fully multilayer-coated
  • Waterproof up to 2m for 10 min., and fog-free — thanks to O-rings and nitrogen gas (body-and-eyepiece joint is water-resistant)
  • Turn-and-slide eyecup with three click stops: one for observing with the naked eye, one for observing with eyeglasses, and the other for digiscoping (except FEP-30W, FEP-25 LER and FEP-20-60)
  • FEP-30W offers a choice of eyecup: soft rubber eyecup for observation and digiscoping eyecup for connection with Digital Camera Bracket FSB series
  • FEP-25 LER has ultra-long 32.3mm eye relief
  • FEP-20-60 featuring long eye relief of 18.4-16.5mm employs an aspherical lens to minimise image distortion
  • Compact digital camera COOLPIX series can be attached to eyepiece of FEP series (except FEP-20-60) with Digital Camera Bracket FSB series
  • Models compatible with COOLPIX series are limited.

Specifications

Model name FEP-20W FEP-30W FEP-38W FEP-50W FEP-75W FEP-25 LER FEP-20-60
Magnification
(x)*1
20
16
30
24
38
30
50
40
75
60
25
20
20-60
16-48
Real field
of view*1
(degree)
3.3
4.1
2.4
3.0
1.9
2.4
1.4
1.8
1.0
1.2
2.4
3.0
2.2-1.1
2.8-1.4
Apparent field
of view*2
(degree)
60 64.3 64.3 64.3 64.3 55.3 42-60
Field of view at 1,000m*1 (m) 58
72
42
52
33
42
24
31
17
21
42
52
38-19
49-24
Exit pupil*1 (mm) 4.3
4.1
2.8
2.7
2.2 1.7
1.6
1.1 3.4
3.3
4.3-1.4
4.1-1.4
Relative brightness*1 18.5
16.8
7.8
7.3
4.8 2.9
2.6
1.2 11.6
10.9
18.5-2.0
16.8-2.0
Eye relief (mm) 20.1 25.4 17.9 17.8 17 32.3 18.4-16.5
Outer diameter x length (mm) 63x59 63x81*3 63x74 63x71 63x71 63x77 63x99
Weight (g) 240 390*3 230 230 230 320 330
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