Fungus is one of the banes of a camera lens’ existence. In humid environments, nasty things can begin to happen if some fungus spore-laden dust particles make their way into your lens. To prevent fungus from growing inside a lens, photographers often silica gel packets to control the amount of moisture in and around their glass.

For a fancier solution to this problem beyond simply stuffing desiccant packets inside your camera bag, check out BRNO’s dri+Cap System. It’s a set of lens and body caps that are designed to keep your lens elements nice and fungus free.
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