Comparison of Olympus 14-54mm f/2.8-3.5 II Zuiko Digital and Sigma 18-50mm f/2.8 EX DC [S]ave
| Attribute |  Olympus 14-54mm f/2.8-3.5 II Zuiko Digital × |  Sigma 18-50mm f/2.8 EX DC × |
|---|---|---|
| Aperture (f) | 2.80 - 22.00 | 2.80 - 22.00 |
| Diaphragm Blades Type | rounded | - |
| Filter Size (mm) | 67 | 67 |
| Notes | Includes Lens Hood and Case; Compatible with High-Speed Imager AF for Live View contrast-detect AF | Available AF Mounts: Sigma, Canon, Nikon, Minolta, Pentax, Four-Thirds |
| Focus Details | - | Internal focusing system |
| Type | Standard Zoom | Standard Zoom |
| Diaphragm Blades | 7 | 7 |
| Diameter (mm) | 75 | 74.1 |
| Image Circle | Image Circle | Image Circle |
| Focal Length (mm) | 14.00 - 54.00 | 18.00 - 50.00 |
| Brand | Olympus | Sigma |
| Name | Olympus 14-54mm f/2.8-3.5 II Zuiko Digital | Sigma 18-50mm f/2.8 EX DC |
| Weight (g) | 440 | 445 |
| Diagonal Angle of View (degree) | 23.00 - 75.00 | 27.90 - 69.30 |
| Lens Construction | 15 elements in 11 groups, including 3 asperical elements | 15 elements in 13 groups, including two aspherical elements and one Special Low Dispersion (SLD) lens |
| Zoom System | Rotary | Rotary, non-telescoping |
| Closest Focus (m) | 0.22 | 0.28 |
| 35mm Equivalent | 28 - 108mm | - |
| Length (mm) | 89 | 84.1 |
| APS Equivalent | - | 1.5x: 27 - 75mm; 1.6x: 28.8 - 80mm |
| Magnification Ratio (x) | 0.26 | 0.2 |
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