Specifications
- Name: Sigma 20mm f/1.8 EX DG Aspherical RF
- Brand: Sigma
- System: Nikon F
- Sensor: FX
- Released: 2000-12-01
- Price: $0.00
- Type: Prime lens
- Focal type: Wide-angle
- Focal length: 20 mm
- Max Aperture: 1.8
- Autofocus: Yes
- VR: No
- VR Rating:
- Min Focus Distance: 0.20 m
- Max Magnification: ?
- Filter Thread: 82 mm
- Diaphragm Blades: 9
- Weight: 520 g
- Diameter: 89 mm
- Length: 90 mm
- Tripod Collar: No
About Sigma
Sigma is a Japanese optics manufacturer founded in 1961, recognized globally for high-quality lenses compatible with multiple camera mounts.