Pick up a dusty old lens from a flea market, an estate sale, or even your own forgotten storage bin, and you might notice something strange glinting beneath the surface of the front element: delicate white threads, odd patterns like spiderwebs or frost creeping across the inside of the glass. That eerie substance is lens fungus — an unwelcome guest in the world of photography that quietly invades optical systems, thrives in darkness and moisture, and, if left untreated, can cause permanent and costly damage to your equipment.
No responses yet