fungus prevention

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OlympusPenfFriend
OlympusPenfFriend New Member • Posts: 8
fungus prevention

When the time came to sell my expensive Canon lenses discovered they were worth next to nothing because of fungus ….

Researched that copper is good to have around to kill fungus ….. how about manufacturers start using some copper rings and components in lenses to distribute some copper or copper salt particles around to prevent fungus … ?

 OlympusPenfFriend's gear list:OlympusPenfFriend's gear list
Olympus PEN-F Canon EF 50mm F1.8 II Canon EF 24-105mm f/4L IS USM Canon EF 70-300mm f/4-5.6 IS USM
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