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| Manufacturer | Sigma | Sigma | Leica | Nikon Nikkor | Sony |
|---|---|---|---|---|---|
| Model | A 20 mm f/1.4 DG DN | A 20 mm f/1.4 DG HSM | Summilux-M 21 mm f/1.4 ASPH. | Z 20 mm f/1.8 S | FE 20 mm f/1.8 G |
| Lenst style | Wide angle | Wide angle | Wide angle | Wide angle | Wide angle |
| Focal length | 20 mm | 20 mm | 21 mm | 20 mm | 20 mm |
| Maximum aperture | f/1.4 | f/1.4 | f/1.4 | f/1.8 | f/1.8 |
| Angle of view | 94.5 o | 94.5 o | 92 o | 94.7 o | 94 o |
| Closest focusing distance | 0.23 m | 0.27 m | 0.7 m | 0.2 m | 0.18 m |
| Maximum magnification | 1:6.1 | 1:7.1 | 1:29 | 0.19 | 0.22x |
| Minimum aperture | 16 | 16 | 16 | 16 | 22 |
| Diaphragm blades | 11 | 9 | 0 | 9 | 9 |
| Auto focus type | AF HSM | HSM | manual | AF / MF | AF |
| Lens Construction | 17 elements / 15 group | 15 elements / 11 group | 10 elements / 8 group | 14 elements / 11 group | 14 elements / 12 group |
| Filter diameter | 82 mm | 0 mm | 82 mm | 77 mm | 67 mm |
| Macro Yes/No | No | No | No | No | No |
| Stabilization | No | No | No | No | No |
| Available mounts | Sony E Sony FE L-mount/Leica-SL |
Canon EF Nikon F Sigma Sony E Sony FE L-mount/Leica-SL |
Leica M / VM-Mount | Nikon Z | Sony E Sony FE |
| Dimensions | 111.2 x 87.8 mm | 129.75 x 90.7 mm | 70 x 77 mm | 108.5 x 84.5 mm | 84.7 x 73.5 mm |
| Weight | 635 g | 950 g | 580 g | 505 g | 373 g |
| Additional information | Announced: August 2022 2 SLD, 3 asph. Sony FE lenght: 113.2 mm, weight: 630 grams. |
Announced: 16.10.2015 Data for Sigma mount |
Announced: 12.02.2020 3 ED elements, 3 aspgerical elements, nano crystal coating |
Announced: February 2020 Mimimum focus distance in AF mode: 0.19 m. |
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| Score [max 5.00] | No score | No score | No score | No score | |
| Our Review |
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