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Thornfield HouseSigma 28-70mm F2.8 DG DN Contemporary Lens for L-Mount
Our Price: £749.00
The Sigma 28-70mm F2.8 DG DN Contemporary for L-Mount is a compact full-frame standard zoom with a constant F2.8 aperture. At launch in 2021 Sigma described it as the smallest and lightest lens in its class, and at 470g it keeps a Lumix S5II, Sigma BF or Leica SL3 easy to carry for travel, events, portraits and everyday shooting.
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Optical designThe design is derived from Sigma's 24-70mm F2.8 Art with a slightly shorter range. There are 16 elements in 12 groups, including two FLD, two SLD and three aspherical elements. |
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Light and compactThe barrel uses Sigma's Thermally Stable Composite, and it takes small 67mm filters. It is roughly half the weight of a typical 24-70mm F2.8. |
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Close focusIt focuses down to 19cm at 28mm, for a maximum magnification of 1:3.3. |
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AutofocusA stepping motor moves a single light focus element, so focusing is quick and quiet for stills and video. |
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Who it's forThis is for photographers who want F2.8 in a standard zoom without the weight. The Sigma 24-70mm F2.8 DG DN adds a wider 24mm end and more professional features, and the Sigma 16-28mm F2.8 DG DN completes a light two-lens kit. |
Also available for Sony E.
| Mount | L-Mount |
| Format | Full frame |
| Focal length | 28-70mm |
| Maximum aperture | F2.8 |
| Minimum aperture | F22 |
| Lens construction | 16 elements in 12 groups (2 FLD, 2 SLD, 3 aspherical) |
| Angle of view | 75.4° to 34.3° |
| Aperture blades | 9 (rounded diaphragm) |
| Minimum focusing distance | 19cm (wide) to 38cm (tele) |
| Maximum magnification | 1:3.3 at 28mm (1:4.6 at 70mm) |
| Filter size | 67mm |
| Autofocus motor | Stepping motor |
| Optical stabilisation | No |
| Dust and splash resistance | Dust and splash resistant mount |
| Dimensions (diameter x length) | 72.2 x 101.5mm |
| Weight | 470g |
| Supplied accessories | Petal lens hood LH706-01, front cap LCF-67mm III, rear cap LCR II |
Yes. At 470g it is light enough to carry all day while keeping F2.8.
The 28-70mm is much smaller and lighter. The 24-70mm goes wider and has a more robust, weather-resistant build.
The Sigma 16-28mm F2.8 DG DN covers the wide end, giving 16-70mm at F2.8.
It has a rubber-sealed mount and a water- and oil-repellent front coating. Sigma does not describe the rest of the lens as weather sealed.
67mm.
The LH706-01 petal hood, front cap and rear cap.
| Sigma 28-70mm F2.8 DG DN Contemporary (L-Mount) | Sigma 24-70mm F2.8 DG DN Art (L-Mount) | Sigma 16-28mm F2.8 DG DN Contemporary (L-Mount) | |
|---|---|---|---|
| Mount | L-Mount | L-Mount | L-Mount |
| Focal length | 28-70mm | 24-70mm | 16-28mm |
| Maximum aperture | F2.8 (constant) | F2.8 (constant) | F2.8 (constant) |
| Closest focus | 19cm (28mm) / 38cm (70mm) | 18cm (24mm) / 38cm (70mm) | 25cm |
| Maximum magnification | 1:3.3 (28mm) | 1:2.9 (24mm) | 1:5.6 |
| Filter size | 67mm | 82mm | 72mm |
| Autofocus motor | Stepping motor | Stepping motor | Stepping motor |
| Image stabilisation | None | None | None |
| Weight | 470g | 835g | 450g |
| Dimensions (diameter x length) | 72.2 x 101.5mm | 87.8 x 122.9mm | 77.2 x 100.6mm |
Genuine UK stock, sold by people who actually use this gear -- not a general electronics marketplace.
Walk in and try before you buy at our Sheffield store, or order online with free UK mainland delivery on orders over £50.
Have equipment to trade? Part-exchange against a new camera or sell your gear for a bank transfer.
Every new item comes with the full UK manufacturer warranty, not a grey-import or parallel-import version.







