This compact and wide-angle lens covers a wide range of focal lengths from 24mm to 70mm in the medium telephoto range. It has excellent imaging capability and very effective for general photography.
From 24mm wide-angle to 70mm telephoto range, it has a minimum focusing distance of 40cm throughout the entire zoom range and enables macro photography with a maximum magnification of 1:3.8.
It makes use of aspherical lens elements to correct distortion and all types of aberration.
An HF (Helical Focusing) system is used to allow the front lens group to move linearly when focusing without the front of the lens revolving, making it suitable for the use a Petal-type hood and circular polarizing filters.
| Lens Specifications | |
|---|---|
| Name | Sigma 24-70mm f/3.5-5.6 Aspherical HF |
| Image Circle | 35mm |
| Type | Standard Zoom |
| Focal Length | 24 - 70mm |
| APS Equivalent | 1.5x: 36 - 105mm; 1.6x: 38.4 - 112mm |
| Max Aperture | f/3.5 - 5.6 |
| Min Aperture | f/22 |
| Diaphragm Blades | 8 |
| Lens Construction | 9 elements in 7 groups, including 3 aspherical elements |
| Diagonal Angle of View(Based on image circle) | 84.1 to 34.3 degrees |
| Focus Details | Helical Focusing |
| Front Element Rotation | No |
| Zoom System | Rotary |
| Closest Focus | 40cm |
| Magnification Ratio | 0.22x / 1:4.5 |
| Filter Size | 62mm |
| Dimensions(Length x Diameter) | 76.4mm x 69.5mm |
| Weight | 285g |
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