Pixco HR-2 Metal Screw Lens Hood for Nikon AF Nikkor 50mm F1.4D F1.8D F1.2 Lens Normally ,the shipping time is about 6~15 working days to USA. Protect the front barrel form the inevitable impacts against walls, door frames and other real-life obstacles. High impact plastic for long lasting and smooth mounting. Prevent glare by stopping light from coming into the lens at side angles. Designed for use with Nikon's 50mm f/1.2 AI-S, 50mm f/1.4, 1.8 D-AF & 58mm f/1.2 Noct AI-S lenses.