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Sigma 20mm f/1.8 EX DG Lens Specifications and Measurements
| Specifications | Sigma 20mm f/1.8 EX DG Lens | |
|---|---|---|
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| Year Introduced | ||
| Year Discontinued | 2015 | |
| Mounts On | Full-Frame, APS-C | |
| Lenses / Groups | 13/11 | |
| Angle of View: Diagonal | 94.5° | |
| Aperture | ||
| Aperture Range - Wide / Long | f/1.8-22 | |
| Number of Aperture Blades | 9 | |
| Rounded Aperture? | ||
| Weight | ||
| Manufacturer Specification Weight | 18.4 oz (520g) | |
| Actual Weight | ||
| In-Use Weight | ||
| Size | ||
| Manufacturer Spec Size (DxL) | 3.5 x 3.43” (89 x 87mm) | |
| Measured Size (DxL) | ||
| Max Length at Full Extension | ||
| Internal Focusing? / Extends with Focusing? | / | |
| Lens Length with Hood (Min-Max) | ||
| Size of Rings: Focus / Zoom | ||
| Filter Size | 82mm UV ► CP ► | |
| Front Element (Filter Mount) Rotates | N | |
| Focus | ||
| AF Motor Type | ||
| Full Time Manual Focus | ||
| Focus Limiter? / Focus Limiter Ranges | N | |
| Distance Scale? / Type | Y / Window | |
| Close Focus | ||
| Spec Min Focus Distance (Wide / Long) | 7.91” (201mm) | |
| Tested Min Focus Distance (Wide / Long) | ||
| Maximum Magnification | 0.25x | |
| Magnification Range with 12mm Ext Tube | ||
| Magnification Range with 25mm Ext Tube | ||
| Features | ||
| Tripod Ring Included? / Removable? | N | |
| Zoom Ring Lock Switch? | N | |
| Lens Hood Included / Model? | Y / LH875-02 548 Buy ► | |
| Weather Sealed? / Filter Required? | N | |
| Image Stabilization? / Stops? / Tripod Sensing? | N | |
| Extender Compatible? | N | |
| Case Included? / Type? | Y / | |
| Review | Sigma 20mm f/1.8 EX DG Lens | |
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