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Multi-coated eyepiece with firm magnification for Nikon fieldscopes III/IIIA, OD III/ED IIIA, OD 78/ED 78A, OD 82/OD 82A
Specifications - Magnification : 20x when attached to a III/EDIII model, and 25x when attached to an ED82 model. - Angular field of view (Real/degree) : 3.0 when attached to a III/EDIII model, and 2.4 when attached to an ED82 model. - Angular field of view (Apparent/degree) : 60.0 when attached to both a III/EDIII or ED82 model. - Field of view at 1000 m : 52 m when attached to a III/EDIII model, and 42 m when attached to an ED82 model. - Exit pupil : 3.0 mm when attached to a III/EDIII model, and 3.3 when attached to an ED82 model. - Brightness : 9.0 when attached to a III/EDIII model, and 10.9 when attached to an ED82 model. - Weight : 75 g
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