Sigma 20mm F1.4 DG DN Art vs Sigma EX 20mm F1.8 DG ASP RF
This is a full comparison between the lenses Sigma 20mm F1.4 DG DN Art and Sigma EX 20mm F1.8 DG ASP RF.
Compare Specifications
Product |
Sigma 20mm F1.4 DG DN Art |
Sigma EX 20mm F1.8 DG ASP RF |
| Name | Sigma 20mm F1.4 DG DN Art | Sigma EX 20mm F1.8 DG ASP RF |
| Manufacturer | Sigma | Sigma |
| SKU | ||
Release Date and Price |
Sigma 20mm F1.4 DG DN Art |
Sigma EX 20mm F1.8 DG ASP RF |
| Release Year | 2022 | 2008 |
| Release Date | 2022-08-08 | |
| MSRP | N/A | 670 USD |
| Last known price | 899 USD | 0 USD |
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Lens Type |
Sigma 20mm F1.4 DG DN Art |
Sigma EX 20mm F1.8 DG ASP RF |
| Lens Type | Wide Angle Lens | Wide Angle Lens |
| Zoom or Prime | Prime lens (no zoom) | Prime lens (no zoom) |
Mount and Compatibility |
Sigma 20mm F1.4 DG DN Art |
Sigma EX 20mm F1.8 DG ASP RF |
| Mount | Sony EL Mount | Canon EFNikon F |
| Designed for APS-C sensor | No (Suitable for all sensors) | No (Suitable for all sensors) |
Focus |
Sigma 20mm F1.4 DG DN Art |
Sigma EX 20mm F1.8 DG ASP RF |
| Autofocus (AF) | Yes | YesNote. See below for further information |
| Built-in Autofocus (AF) Motor | Yes |
No
Requires that the camera has an Autofocus Motor Compatible Cameras for Sigma EX 20mm F1.8 DG ASP RF |
| Motor Type | Stepper motor | N/A |
| Focus Method | No information | No information |
| Closest Focusing Distance | 23 cm | 20 cm |
| Maximum Magnification | ||
Aperture |
Sigma 20mm F1.4 DG DN Art |
Sigma EX 20mm F1.8 DG ASP RF |
| Maximum Aperture | F1,4 | F1,8 |
| Diaphragm Blades | 11 | No information |
Optics |
Sigma 20mm F1.4 DG DN Art |
Sigma EX 20mm F1.8 DG ASP RF |
| Construction | 17 elements / 15 groups | 13 elements / 11 groups |
| Special Elements/Coatings | Two Super-Low Dispersion elements, three aspherical elements, Super Multi-Layer coating, and water- and oil-resistant coating. | No information |
Focal Length |
Sigma 20mm F1.4 DG DN Art |
Sigma EX 20mm F1.8 DG ASP RF |
| Focal Length | 20 mm | 20 mm |
| Zoom Range | None (Prime lens) No Zoom available. |
None (Prime lens) No Zoom available. |
| Built-in Teleconverter | No | No |
| Teleconverter Multiplier | N/A | N/A |
| Image Stabilization | No | No |
| Image Stabilization CIPA Rating | N/A | N/A |
Physical |
Sigma 20mm F1.4 DG DN Art |
Sigma EX 20mm F1.8 DG ASP RF |
| Weather Sealing | Yes | No |
| Diameter | 88 mm | 88 mm |
| Length | 111 mm | 89 mm |
| Weight | 635 gr | 520 gr |
Other |
Sigma 20mm F1.4 DG DN Art |
Sigma EX 20mm F1.8 DG ASP RF |
| Filter Type | Filter Thread | Filter Thread |
| Filter Diameter | 82 mm | 82 mm |
| Lens Hood | Included | Included |
| Lens Hood SKU | LH898-04 | LH875-02 548 |
| Tripod Collar | N/A | N/A |
| Tripod Collar SKU | N/A | N/A |