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  Category:Binoculars – Wikimedia Commons

  https://commons.wikimedia.org/wiki/Category:Binoculars?uselang=de

  Keine Beschreibung vorhanden.

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  Servicing a budget Porro binocular. - YouTube

  https://www.youtube.com/watch?v=BpHtruwBjCo

  A quick and dirty way to clean a budget pair of binoculars and bring them back into a usable state. I would not recommend this action on any high quality bin...

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