Focal Length: 50mm Aperture: Maximum: f/1.5 Minimum: f/22 Lens Mount: Nikon F Format Compatibility: Nikon FX/35mm Film Angle of View: 46° Minimum Focus Distance: 1.48’ / 45 cm Maximum Magnification: 0.15x Maximum Reproduction Ratio:1:6.666 Optical Design: 6 Elements in 5Groups Diaphragm Blades 7, Rounded