Swift Observer 11x80 | $329.95 | | |
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 u
nder 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.
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