Back in April 2012 Grays of Westminster sold the ultra rare Nikon 6mm f/2.8 fisheye lens for £100,000 The 220º Nikkor fisheye lens weighs 5.2kg, measures 171mm in length and has a diameter of 236mm. It’s one of the few 220º Nikkor fisheye lenses ever to be made. Last week another one turned up on …