JJC LH-JXF50S Square Bayonet Lens Hood is designed for Fujinon XF50mmF2 R WR Lens Prevent unwanted stray light from entering the lens by extending and shading the end of the lens. The non-glare matte finish on the inside further prevents or limits lens flare. No vignetting will show with the hood on. The hood allows you to put on a 46mm filter and a lens cap. Full Size: 79*65*20mm Net Weight: 32g Material: Aluminium Alloy+Synthetic Resin