conclusion for use and construction of binoculars
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independent focus is an arrangement in which the two telescopes are focused independently by adjusting .
Binoculars designed for heavy field used independent focusing.
thank you ☺
♪＼(*＾▽＾*)／＼(*＾▽＾*)／
independent focus is an arrangement in which the two telescopes are focused independently by adjusting .
Binoculars designed for heavy field used independent focusing.
thank you ☺
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