Features: Lightweighted aluminium component , effectively shades the light and prevents lens reflection and vignetting. Square lens shade cover，suitable for 37/39/40.5/46/43/49mm lens Easy installs and remove, provides good light blocking effect. for photography enthusiasts, professional photographers and photography students who need to protect their lens and improve the quality of their photos. for outdoor shooting, photography under strong light environment, landscape photography, portrait photography and other scene that need to avoid light interferences. Specifications: Size：about 68x58x19mm/2.68c2.28x0.75in Type :37mm/1.46in 39mm/1.54in 40.5mm/1.59in 43mm/1.69in 46mm/1.81in 49mm/1.93in Color: Black/Silver Component: Aluminum Package Includes: 1Set Lens Shade note: Due to the different monitors and light effect, the actual color the item might be slightly different from the color showed on the pictures. Please allow 1-2cm measuring difference due to manual measurement.