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Kowa 20-60x Zoom Waterproof Eyepiece
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Eyepieces > Spotting Scopes
- Magnification: 20x-60x
- Real Field of View (deg): 2.2-1.05
- Apparent Field of View(deg.): 44-63
- Exit Pupil Diam. (mm): 4.4-1.5(880); 3.9-1.3(770)
- Relative Brightness: 19.4-2.3(880); 15.2-1.7(770)
- Twilight Factor: 42.0-72.7(880); 39.2-68.0(770)
- Eye-Relief (mm): 17-16.5
- Field of View (m@1000m): 38.4-18.3
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Same Magnifications for both TSN-880 and TSN-770 Series features New mount design and improved field of view at lower magnification. The Aspheric 6 group, 9 element lens design gives a very flat field throughout the zoom range and a Long eye relief for ease of viewing. Waterproof and nitrogen purged to prevent the lens from fogging; eyepiece converters allow the use of eyepieces from other spotting scope series.
The eyepieces have a locking system, to prevent loss.
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