Eyepiece Nagler 31 mm Type 5: • own field of view of 82 ° • performs well in Newton's light-weight telescopes, where the correction from the coma and many other optical defects is certain. • practically completely corrected astigmatism • an image with a very good contrast and a distinctly peripheral lack of chromaticity • used in the Newton 200/1200 system, gives a magnification of 39 and a field of view of 2.0 ° • used with the Sky-Watcher 80ED refractor, gives a magnification of approx. 19 and a field of view of 4.0 ° • used with the refractor ZenithStar 66 gives a magnification of 12 and a field of view of 6.2 ° • optical system of the eyepiece: hybrid • Luminaire diameter: 2 " • field of view of the eyepiece: 82 ° • focal length of the eyepiece: 31 mm • Diaphragm diameter: 42 mm • distance from the eye: 19 mm • eyecup: unwrapped • Filter diameter: 2 " • lens coatings: FMC • maximum diameter: 83.8 mm • luminaire length 2 ": 38.1 mm • length: 137.2 mm • weight: 1000 g
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