What Zeiss Does to prevent Fungus in lenses

Carl Zeiss, a German manufacturer of optical systems and lenses, takes several measures to prevent fungus growth in their lenses:

1. Moisture prevention: Zeiss lenses are designed to be sealed and airtight to prevent moisture from entering the lens barrel, which can create a favourable environment for fungal growth.
2. Coating: Zeiss lenses are coated with anti-reflective and anti-fungal coatings that help prevent the growth of fungi on the lens surfaces.
3. Proper storage: Carl Zeiss recommends that lenses be stored in a cool, dry, and well-ventilated area with low humidity. Additionally, they recommend using a dehumidifier to control humidity levels in storage areas.
4. Regular cleaning: Zeiss lenses should be cleaned regularly with a clean, dry microfiber cloth to remove any dust or debris that may have accumulated on the lens surfaces. This will prevent the growth of fungi on the lens surfaces.

Overall, Carl Zeiss takes a comprehensive approach to prevent fungal growth in their lenses, including design features, coatings, storage recommendations, and cleaning procedures to ensure that their lenses remain in top condition over time.