JJC LH-RA52 Rubber Collapsible Silicone Lens Hood Shade For smc PENTAX-DA 50mm f1.8 Lens 50mm f1.2 Lens Replaces RH-RA52 For lens with 52mm filter thread Material: Collapsible Silicone Hood Color: Black Protects the front barrel from the inevitable impacts Lower the contrast of the image