Technical Specifications
Brennweite20mm
Größte Blendef/1.8
Kleinste Blendef/16
Optischer Aufbau13 elements in 11 groups (including 2 ED lens elements, 2 aspherical lens elements, and lens elements with Nano-Crystal coatings)
BildwinkelNikon film SLR and FX-format D-SLR cameras: 94°, Nikon DX-format D-SLR cameras: 70°
Naheinstellgrenze
0.2m (0.66ft) from focal planeAnzahl der Blendenlamellen7 (rounded diaphragm opening)
Filtergewinde77mm (P = 0.75mm)