Nikon 10.5mm f/2.8G ED DX Fisheye-Nikkor. Focus adjustment: 0.14 m, Focal length range (f-f): 10.5 mm, Thread diameter: 63 mm. Weight: 0.3 kg. Colour of product: Black. Dimensions (WxDxH): 63 x 62.5 x 63 mm