LH-S24N Rechteckige Gegenlichtblende + Kappe für Sony FE 24mm F1.4 GM Objektiv
This bayonet-mount lens hood shades the lens from stray light, prevent or limit lens flare, improving your contrast and image quality. Sony FE 24mm F1.4 GM Lens ( SEL24F14GM ). ( Note: it can't be used for other lenses ).