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- focal length 20 mm
- Sigma Art line
- maximum aperture: f/1.4
- full frame lens
- construction: 15 elements in 11 groups
- 9-blade diaphragm
- autofocus mechanism: HSM
- housing made of metal and thermally stable composite
- metal, fixed sun visor
- multi-layer coatings
Lens mount
- E
Sensor
- Full frame