The Voigtlander Ultron 40mm f2 SL Aspherical is a very small, pancake-style lens designed for Nikon F mount film and digital SLR cameras. The 40mm focal length makes it a versatile all-purpose prime, with a fast f2 aperture and smooth manual focusing. Works on any F-mount Nikon camera, meters on any camera with AI coupling or a CPU interface. In excellent condition, with clean glass and good function. Includes original lens hood and matching close-up lens.