The Haoge Lens Hood is primarily designed to prevent unwanted stray light from entering the lens by extending and shading the end of the lens, plus prevent vignetting. In addition, since the end of the lens is extended, you also get the added benefit of some extra protection from accidental impact.<br> <br> Specification:<br> Bayonet mount design<br> Material: Plastic<br> Color: Black as Photo<br> Replaces Canon ES-68<br> <br> Compatible with:<br> Canon EF 50mm f/1.8 STM<br> <br> NOTE: Only compatible with the lens list above. Please verify your lens model before order.<br> <br> Package Included:<br> 1 x Haoge Lens Hood<br> ( Note: it can't be used for Canon EF 50mm f/1.8 II )<br>