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Sigma 18-50mm F2.8 DC DN Contemporary Lens Specifications and Measurements
| Specifications | Sigma 18-50mm F2.8 DC DN Contemporary Lens | |
|---|---|---|
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| Year Introduced | 2017 | |
| Mounts On | APS-C | |
| Lenses / Groups | 13/10 | |
| Angle of View: Diagonal | 76.5° – 31.7° | |
| Aperture | ||
| Aperture Range - Wide / Long | f/2.8-22 / f/2.8-22 | |
| Number of Aperture Blades | 7 | |
| Rounded Aperture? | Y | |
| Weight | ||
| Manufacturer Specification Weight | 10.2 oz (290g) | |
| Actual Weight | 10.2 oz (287.6g) | |
| Lens Hood Weight | 0.8 oz (22.1g) | |
| In-Use Weight | 10.9 oz (309.7g) | |
| Size | ||
| Manufacturer Spec Size (DxL) | 2.54 x 2.93” (64.5 x 74.5mm) | |
| Measured Size (DxL) | 2.43 x 3.23” (62 x 82.1mm) | |
| Max Length at Full Extension | 4.09” (104mm) | |
| Internal Zoom? / Extends with Zoom? | N / Y | |
| Zoom Extension Length | 0.86” (21.9mm) | |
| Internal Focusing? / Extends with Focusing? | Y / N | |
| Lens Hood Size (DxL) | 2.97 x 1.26” (75.5 x 31.9mm) | |
| Lens Length with Hood (Min-Max) | 4.28 - 5.18” (108.6 - 131.6mm) | |
| Size of Rings: Focus / Zoom | 0.49” (12.4mm) | |
| Filter Size | 55mm UV ► CP ► | |
| Front Element (Filter Mount) Rotates | N | |
| Focus | ||
| AF Motor Type | Stepping Motor | |
| Full Time Manual Focus | Y | |
| Focus Ring Rotation | 690° | |
| Focus Limiter? / Focus Limiter Ranges | N | |
| Distance Scale? / Type | N | |
| Close Focus | ||
| Spec Min Focus Distance (Wide / Long) | 4.76” / 11.81” (121mm / 300mm) | |
| Tested Min Focus Distance (Wide / Long) | 4.13” / 8.86” (105mm / 225mm) | |
| Maximum Magnification | 0.36x | |
| Features | ||
| Tripod Ring Included? / Removable? | N | |
| Lens Hood Included / Model? | Y / LH582-02 Buy ► | |
| Weather Sealed? / Filter Required? | Y / | |
| Image Stabilization? / Stops? / Tripod Sensing? | N | |
| Extender Compatible? | N | |
| Case Included? / Type? | N / | |
| 47.25" x 31.5" Subject Framing Distance | On APS-C DSLR: 18mm = 3.11' 24mm = 4.21' 35mm = 6.34' 50mm = 8.74' |
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| 1200mm x 800mm Subject Framing Distance | On APS-C DSLR: 18mm = 947mm 24mm = 1284mm 35mm = 1933mm 50mm = 2665mm |
|
| Review | Sigma 18-50mm F2.8 DC DN Contemporary Lens | |
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