The 58mm protector filter is designed to protect the camera lens from dust or dirt. Compatible with: HS series cameras, 14mm / 18-55mm lenses. Protecting the camera lens from dust & dirt. the 58mm protector filter attaches via the filter thread on the lens. Featuring an advanced Super EBC (Electron Beam Coating) to control ghosting & flares, the protector filter has minimal reflection (maximum of 0.3%) so image quality is not affected. The thin-frame design prevents vignetting when using 2 filters together.