This versatile ultra-wideangle lens is suitable for general photography.
Technical Specifications
Focal length20mm
Maximum aperturef/2.8
Minimum aperturef/22
Lens construction12 elements in 9 groups
Angle of view94° (70° with Nikon DX format)
Minimum focus distance
0.25 m/0.85 ft.Maximum reproduction ratio1/8.3
No. of diaphragm blades7