Swift 11x80 BCF Observer
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$337.98
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Maximum light gathering in a high-powered binocular. With an exit pupil of 7.27 mm and a relative light efficiency of 79.3, the Observer has the capability for use under poor light conditions comparable to our finest 7x50. It is, naturally, most useful under daylight conditions also. Three lens Keilner ocular system utilize five of the most modern indexes of optical glass. All air-to-glass surfaces are magenta coated. Rubber retractable eyecups and a well fashioned tripod adapter.
Specifications:
| Field of View (ft) |
236
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| RLE |
79.3
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| Exit Pupil (mm) |
7.27
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| Eye Relief (mm) |
16
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| Weight (oz) |
78
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| Height (inches) |
11.6
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| Close Focus (ft) |
60
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