Unique 10lb Nikon lens goes on sale

."A camera lens so wide-angle it can 'see behind you' - offering a 220-degreee field of view - has gone on sale in London, priced at £100,000 - minus the camera.

When it was introduced in 1970 at the Photokina exhibition, it was the most extreme fisheye lens of all time - a 10lb glass dome which dwarfs the camera attached. " more