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Sigma 20mm F2 DG DN Contemporary Lens Compared to the Sony FE 20mm F1.8 G Lens
| Specifications | Sigma 20mm F2 DG DN Contemporary Lens | Sony FE 20mm F1.8 G Lens |
|---|---|---|
 |
 |
|
| Year Introduced | 2022 | 2020 |
| Mounts On | Full-Frame, APS-C | Full-Frame, APS-C |
| Lenses / Groups | 13/11 | 14/12 |
| Angle of View: Diagonal | 94.5° | 94° |
| Aperture | ||
| Aperture Range - Wide / Long | f/2.0-22 | f/1.8-22 |
| Number of Aperture Blades | 9 | 9 |
| Rounded Aperture? | Y | Y |
| Weight | ||
| Manufacturer Specification Weight | 13.1 oz (370g) | 13.2 oz (373g) |
| Actual Weight | 13 oz (366.9g) | 13.2 oz (375g) |
| Lens Hood Weight | 1.4 oz (39.4g) | 0.7 oz (20g) |
| In-Use Weight | 14.3 oz (406.3g) | 13.9 oz (395g) |
| Size | ||
| Manufacturer Spec Size (DxL) | 2.76 x 2.85” (70 x 72.4mm) | 2.89 x 3.33” (73.5 x 84.7mm) |
| Measured Size (DxL) | 2.76 x 3.13” (70 x 79.4mm) | 2.9 x 3.57” (73.7 x 90.7mm) |
| Max Length at Full Extension | 3.13” (79.4mm) | 3.57” (90.7mm) |
| Internal Focusing? / Extends with Focusing? | Y / N | Y / N |
| Lens Hood Size (DxL) | 3.17 x 1.18” (80.5 x 30mm) | 3.28 x 1.1” (83.4 x 28mm) |
| Lens Length with Hood (Min-Max) | 4.09 - 4.09” (103.9 - 103.9mm) | 4.37 - 4.37” (111.1 - 111.1mm) |
| Size of Rings: Focus / Zoom | 0.69” (17.6mm) | 0.8” (20.3mm) |
| Filter Size | 62mm UV ► CP ► | 67mm UV ► CP ► |
| Front Element (Filter Mount) Rotates | N | N |
| Focus | ||
| AF Motor Type | Stepping Motor | Dual XD Linear |
| Full Time Manual Focus | Y | Y |
| Focus Ring Rotation | 420° | 165° |
| Focus Limiter? / Focus Limiter Ranges | N | N |
| Distance Scale? / Type | N | N |
| Close Focus | ||
| Spec Min Focus Distance (Wide / Long) | 8.66” (220mm) | 7.09” (180mm) |
| Tested Min Focus Distance (Wide / Long) | 7.48” (190mm) | 6.42” (163mm) |
| Maximum Magnification | 0.15x | 0.20x |
| Features | ||
| Tripod Ring Included? / Removable? | N | N |
| Lens Hood Included / Model? | Y / LH656-03 Buy ► | Y / ALC-SH162 Buy ► |
| Weather Sealed? / Filter Required? | Y / | Y / |
| Image Stabilization? / Stops? / Tripod Sensing? | N | N |
| Extender Compatible? | N | N |
| Case Included? / Type? | N / | Y / Pouch |
| 47.25" x 31.5" Subject Framing Distance | 20mm = 2.34' | 20mm = 2.42' |
| 1200mm x 800mm Subject Framing Distance | 20mm = 713mm | 20mm = 737mm |
| Review | Sigma 20mm F2 DG DN Contemporary Lens | Sony FE 20mm F1.8 G Lens |
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- Amazon.com
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