Sensei 55mm Screw-on Tulip Lens Hood Blocks Stray Light | Prevents Flare in Your Images Fits Lenses with 55mm Filter Size | For Lenses Above 20mm (35mm Format) For Lenses Above 15mm (APS-C Format) | Threaded Mount with Locking Collar Tulip Shape Prevents Vignetting | Protects Lens from Accidental Impact Limited 1-Year Warranty