Polaroid Studio Series Ultra Wide Angle 8mm f/3.5 Circular Fisheye Lens For The Nikon D40, D40x, D50, D60, D70, D80, D90, D100, D200, D300, D3, D3S, D700, D3000, D5000, D3100, D3200, D7000, D5100, D4, D800, D800E, D600 Digital SLR Cameras Digitally-Optimized, Circular Ultra Wide 8mm Fisheye Lens Produces Circular Images Super Multi-Layer Lens Coating Reduces Flare And Ghosting Minimum Fcusing Distance Of 12 Inches Built-in Petal Type Hood &lt;&gt; Glass Is 10 Elements in 7 Groups