1 Lens protector. Filters can subtract UV light without affecting the transparency of visible light, reduce fogging when photographing distant scenes in the hot sun. Filters can be used as lens protectors.
Sigma 16mm f/1.4 DC DN Contemporary Lens for Sony E | APS-C Format, Super Multi-Layer Coating, Weather-Sealed, Tiffen 67mm UV Protector Filter, 64GB Extreme PRO Memory Card, and Waith Camera Bag
Hama UV Filter 390 Ultraviolet (UV) camera filter 25 mm
Olympus Zuiko Digital ED 40-150mm f/4-5.6 Lens And UV Protector Lens
B+W 010 UV Ultraviolet (UV) camera filter 3.9 cm
Hoya HD Mk II UV Ultraviolet (UV) camera filter 5.2 cm
B+W 010 UV Ultraviolet (UV) camera filter 7.7 cm