Amazon.com : Nikon 50mm f/1.8D AF Nikkor Lens for Nikon Digital SLR Cameras (2137) with 52mm Multicoated UV Protective Filter--offers lens protection & clearer pictures, 52mm Hard Lens Hood, Lens Cap Keeper,
Canon EF 50mm f/1.8 II Review | Heyes Photo
Canon EF 50mm f/1.8 STM Lens 8PC Accessory Bundle – Includes Manufacturer Accessories + 3PC Filter Kit (UV + CPL + FLD) + Lens Cap Keeper + MORE – International Version (No Warranty) - Walmart.com
Which filter size should I buy to fit a 50mm lens? - Quora