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Amazon.com: Celestron EclipSmart - Filtro de telescopio de eclipse solar seguro – Cumple con las normas ISO 12312-2:2015 (E) – Funciona con telescopios AZ existentes de 4.016 in – Observe eclipses solares
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Amazon.com : Celestron – EclipSmart Safe Solar Eclipse Filter, Ultraviolet – Meets ISO 12312-2:2015(E) Standards – Works with Your Telescope, Spotting Scope, or DSLR Camera – Observe + Photograph Eclipses or Sunspots Safely : Electronics