Sigma 20mm F1.8 EX DG ASP RF Lens
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- F22 minimum constant aperture
- 82mm diameter filter
- Minimum focus down to 20cm
- 9 diaphragm blades
- Angle view of 94.5
- Aspherical lens
- Compatibility: with APS-C and Full Frame Sensor DSLR Cameras
- F1.8 aperture
- 82mm diameter filter
- Rear focus
- focus distance up to 2.6 inches
- 1:4 Magnification
- 9 diaphragm blades
- Angle view of 94.5
- Aspherical lens
- Compatibility: with APS-C and Full Frame Sensor DSLR Cameras
Snap shots of the most memorable moments with the Sigma 20mm F1.8 EX DG Aspherical RF. This super wide angle lens from any camera is considered to be the fastest with its aperture of up to F1.8. Optimize your optical performance with its aspherical lens with a field angle view of 94.5 degrees. Even though it has a wide angle range, it can focus closely on the subject because of the focusing distance of up to 2.6 inches and 1:4 magnification.The structure of this lens has 9 diaphragm blades and it is built to help your photography and master your craft in no time. It is compatible with APS-C and Full Frame Sensor DSLR Cameras.
Product Features in Detail
Aperture wide-angle lens
Minimum aperture of F22 and maximum aperture of up to F1.8, super wide angle lens and is the fastest.
Magnification
This lens has a field angle view of 94.5 degrees but has a 1:4 magnification power. It can focus up to a close distance of 2.6 inches.
Aspherical lens
The aspherical lens complex allows freedom of design, improved performance, a reduced number of component lenses and a compact size.
Digital
Designed to deliver the ultimate in performance on full-frame digital SLRs, Sigma DG lenses also bring out the best in 35mm SLR film cameras and APS-C size DLSRs.
Rear Focus
A rear focus system that prevents focus-dependent variation in aberration, making high-level image quality possible throughout the entire image. With their unchanging barrel length, these lenses also enhance balance and stability for the photographer.
Exterior Lens
The exterior of this lens is EX-finished to denote the superior build and optical quality, and to enhance its appearance.
Included in the Box
Sigma 20mm F1.8 EX DG Aspherical RF
Hood
Lens case
24 months warranty with CR Kennedy Australia
Warranty Information
This Sigma 20mm F1.8 EX DG Aspherical RF with 24 months warranty with CR Kennedy Australia.
Our products are sourced from authorised Australian suppliers and therefore come with genuine Australian warranty.
Camera Warehouse does not participate in 'Grey Market' or 'Parallel Import' activities.
| Lens Construction | 13 Elements in 11 Groups |
| Angle of View | 94.5º |
| Number of Diaphragm Blades | 9 |
| Mininum Aperture | f22 |
| Minimum Focusing Distance | 20 cm / 7.9 in |
| Filter Size (mm) | 82 |
| Maximum Magnifications | 1:4 |
| Dimensions | 88.5 x 87 mm/3.5 x 3.4 in |
| (Diameter x Length) | |
| Weight | 520g / 18.3oz. |
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Sigma 20mm F1.8 EX DG ASP RF Lens
