TIFFEN 77WIDUVP 77MM UV Protector Glass Filter The most popular protection filter. Provides basic reduction of UV light. Thin design reduces viginetting when used with wide angle lenses. For use with wide angle lenses Filter includes no front thread The most popular protection filter. Provides basic reduction of UV light. Thin design reduces viginetting when used with wide angle lenses. For use with wide angle lenses which specify a 77MM thread size Filter includes no front thread