JJC LH-06 Lens Hood Shade For SONY DT 18-70mm f/3.5-5.6 Zoom Lens Replaces SONY Lens Hood ALC-SH0006 Lens hood are primarily designed to stop light coming into the lens at extreme angles and being reflected inside the lens Material: Plastic Color: Black Anti-glare coating of the inner of hood for preventing the glare from getting into camera lens Lower the contrast of the image