Opteka 0.20X Professional Super AF Fisheye Lens for Nikon D4s, D4, D3x, Df, D810, D800, D750, D610, D600, D7200, D7100, D7000, D5500, D5300, D5200, D5100, D3300, D3200 and D3100 Digital SLR Cameras An essential tool for extreme sports and dramatic action shooters Easy to use, attached to the front of your existing lens High-index / low-dispersion optical glass, Fully multi-coated, every element Designed to maximize day and night shots by providing maximum light and image Includes .20x fisheye lens, 52mm adapter, 55mm adapter, 58mm adapter, lens caps, lens pouch