Kenko Action UV Filter (49mm) Protective filter for compatible digital camera lenses at Crutchfield
Camera Lens Uv Protection Filter 49mm For Canon Ef 50mm F/1.8 Stm & For Sony E-mount 18-55mm F/3.5-5.6 Oss Lens - Camera Filters - AliExpress
ZEISS 49mm Carl ZEISS T* UV Filter 2003-603 B&H Photo Video
Amazon.com : B + W 49mm UV Protection Filter (010) for Camera Lens – Standard Mount (F-PRO), MRC, 16 Layers Multi-Resistant Coating, Photography Filter, 49 mm, Clear Protector : Camera Lens Sky