Fast FX-format prime lens with ultra-wide 20 mm focal length and bright f/1.8 maximum aperture. Makes an exciting choice for creative photographers who want to exaggerate perspectives.
Technical Specifications
Focal length20mm
Maximum aperturef/1.8
Minimum aperturef/16
Lens construction13 elements in 11 groups (including 2 ED lens elements, 2 aspherical lens elements, and lens elements with Nano-Crystal coatings)
Angle of viewNikon film SLR and FX-format D-SLR cameras: 94°, Nikon DX-format D-SLR cameras: 70°
Minimum focus distance
0.2m (0.66ft) from focal plane
No. of diaphragm blades7 (rounded diaphragm opening)
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