A portable standard lens
Technical Specifications
Focal length50mm
Maximum aperturef/1.8
Minimum aperturef/22
Lens construction6 elements in 5 groups
Angle of view46° [31°30' with Nikon digital cameras (Nikon DX format)]
Minimum focus distance
0.45 m/1.5 ft.Maximum reproduction ratio1/6.6
No. of diaphragm blades7