Comparison of Olympus 14-35mm f/2 ED SWD Zuiko Digital and Sigma 18-35mm ƒ/1.8 DC HSM Art [S]ave
| Attribute |  Olympus 14-35mm f/2 ED SWD Zuiko Digital × |  Sigma 18-35mm ƒ/1.8 DC HSM Art × |
|---|---|---|
| Aperture (f) | 2.00 - 22.00 | 1.80 - 16.00 |
| Diaphragm Blades Type | circular | rounded |
| Filter Size (mm) | 77 | 72 |
| Notes | Dust and drip proof. Includes Lens Hood (LH-82B) and Lens Case (LSC-1122) | Available AF Mounts: Canon EF, Nikon F, Sigma SA, Pentax K and Sony A; Included Accessories: lens hood, caps. |
| Focus Details | - | Internal, with Hyper-Sonic Motor; AF/MF switch |
| Type | Standard Zoom | Wide Zoom |
| Diaphragm Blades | 9 | 9 |
| Diameter (mm) | 86 | 79 |
| Image Circle | Image Circle | APS-C |
| Focal Length (mm) | 14.00 - 35.00 | 18.00 - 35.00 |
| Brand | Olympus | Sigma |
| Name | Olympus 14-35mm f/2 ED SWD Zuiko Digital | Sigma 18-35mm ƒ/1.8 DC HSM Art |
| Weight (g) | 915 | 811 |
| Diagonal Angle of View (degree) | 34.00 - 75.00 | 44.20 - 76.50 |
| Lens Construction | 18 elements in 17 groups, including 2 ED, 1 Aspherical ED and 1 Aspherical elements | 17 elements in 12 groups, including SLD and aspherical elements |
| Zoom System | Rotary | Rotary with lock |
| Closest Focus (m) | 0.35 | 0.28 |
| 35mm Equivalent | 28 - 70mm | - |
| Length (mm) | 123 | 122 |
| APS Equivalent | - | 1.5x: 27 - 52.5mm; 1.6x: 28.8 - 56mm |
| Magnification Ratio (x) | 0.12 | 0.23 |
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