Product picture - Nikon 40.5mm Drop-in Circular Polarizing Filter for Nikon AF-S NIKKOR 400mm f 2.8E FL ED VR Lens Nikon, 40.5mm, Drop-in, Circular, Polarizing, Filter, Nikon, AF-S, NIKKOR, 400mm, f, 2.8E, FL, ED, VR, Lens Click the image to close this page