40.5mm wide angle Metal vented Lens Hood For Sony E PZ 16-50mm Nikon 1 10mm f2.8 Samsung 20-50mm F3.5-5.6 made of aluminum alloy, anodized black still allows the use of original 40.5 lens cap, and no vignetting ! even at 16mm ! fits Sony E PZ 16-50mm / Nikon 1 Nikkor 10mm F2.8 / Samsung 20-50mm F3.5-5.6 or other wide angle lenses with 40.5mm threaded filter size