FEP-30W offers a choice of eyecup: soft rubber eyecup for observation and digiscoping eyecup for connection with Digital Camera Bracket FSB seriesFEP-25 LER has ultra-long 32.3mm eye reliefFEP-20-60 featuring long eye relief of 18.4-16.5mm employs an aspherical lens to minimise image distortionCompact digital camera COOLPIX series can be attached to eyepiece of FEP series (except FEP-20-60) with Digital Camera Bracket FSB series

Field of View @1000m

33

Relative Brightness

4.8

Magnification

38

Eye Relief

17.9

Outer Diameter

63x74

Angular field of view (Real/degree)

1.9

Angular field of view (Apparent/degree)

64.3

Exit pupil (mm)

2.2

Condition

New

Weight

0.234 kg

Height

0.004 cm

Width

0.004 cm

Depth

0.004 cm

• Seven kinds of 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)