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Sigma 28-70mm F2.8 DG DN Contemporary Lens for Mirrorless Cameras, Sony E-Mount, Compact Design
Offer ends: 4/27/2026

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Key Features
- Constant f2.8 brightness: Keeps f2.8 at every focal length for low light and shallow depth.
- Compact 470 g build: Lighter than many pro zooms, ideal for travel and gimbal work.
- Advanced optical design: FLD, SLD and aspherical elements help reduce aberrations and fringing.
- Premium lens coatings: Multi layer coatings improve contrast and control flare in tricky light.
- Quiet stepping motor AF: Fast, near silent autofocus that suits both stills and video.
- Rounded 9 blade diaphragm: Smooth out of focus rendering with pleasing bokeh and close focus.
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Sigma 28-70mm F2.8 DG DN Contemporary Lens for Mirrorless Cameras, Sony E-Mount, Compact Design Overview
Description
The Sigma 28-70mm F2.8 DG DN | Contemporary for Sony E mount is a full frame standard zoom that balances pro level optical performance with a compact, lightweight 470 g design. Covering a useful 28 to 70 mm range with a constant f2.8 aperture, it is built for everyday photography, video work and hybrid creators who want one lens to stay on their camera most of the time.
Inside, 16 elements in 12 groups, including FLD, SLD and aspherical glass, work with advanced Super Multi Layer and Nano Porous coatings to deliver sharp, high contrast images with reduced flare and ghosting. A quiet stepping motor drives autofocus for smooth focusing in both stills and video, while a rounded 9 blade diaphragm supports attractive background blur and close up detail at the wide end.
Shooting Challenges With Standard Zoom Lenses
Many full frame standard zoom lenses are large, heavy and expensive, which makes them less practical for travel, gimbal work or long shoots. Photographers and filmmakers often have to choose between portability and low light performance when they want a single lens that can cover wide to short telephoto framing.
- Standard f2.8 zooms can feel bulky and front heavy on compact mirrorless bodies.
- Budget zooms often have slower variable apertures that limit low light flexibility.
- Limited sealing and optical control can reduce reliability and contrast in real world use.
How the Sigma 28 to 70mm F2.8 DG DN Solves These Challenges
This lens delivers a constant f2.8 aperture across the 28 to 70 mm range in a body that weighs only about 470 g, so it keeps full frame image quality while remaining easy to carry all day. The compact size suits smaller Sony E mount cameras, travel rigs and gimbal setups, while the optical design and coatings help maintain sharpness and contrast across the frame at both wide and telephoto ends.
Benefits of the Sigma 28 to 70mm F2.8 DG DN Lens
- Travel friendly performance: Enjoy a fast f2.8 zoom without the bulk of many pro lenses.
- Consistent exposure control: Maintain the same aperture and depth of field when you zoom.
- Hybrid ready autofocus: Stepping motor AF supports quiet, responsive focus for photo and video.
- Improved clarity and contrast: Special elements and coatings help reduce flare and aberrations.
Applications and Use Cases
- Lightweight full frame travel and documentary photography where one versatile zoom is preferred.
- Event and wedding coverage that needs fast f2.8 performance in changing light with minimal gear.
- Hybrid content creation, including handheld video, vlogging and gimbal work with Sony E mount bodies.
Why Choose the Sigma 28 to 70mm F2.8 DG DN From 17th Street
- Combines the lightest in class full frame f2.8 standard zoom design with optical performance that approaches higher tier lines, giving creators strong image quality, quiet AF and practical portability at a value forward price when purchased through 17th Street.
Buy the Sigma 28 to 70mm F2.8 DG DN at 17th Street
Elevate your Sony E mount kit with a compact f2.8 standard zoom that is ready for travel, events and hybrid content creation. Order the Sigma 28-70mm F2.8 DG DN | Contemporary from 17th Street today and build a lighter, more versatile full frame setup without sacrificing image quality.
Specifications
| Model Name / Number | 28-70mm F2.8 DG DN | Contemporary (Sony E-mount) |
| Lens Type | Standard zoom lens |
| Intended Use | Photography and video on full frame mirrorless cameras |
| Color / Finish | Black |
| Weather Sealing | Dust and splash resistant mount seal |
| Weight | Approx 470 g |
| Mount Type | Sony E |
| Compatible Sensor Size | Full frame |
| Supported Camera Brands / Systems | Sony E mount mirrorless cameras |
| Coverage | 35 mm full frame image circle |
| Focal Length (Fixed / Zoom Range) | 28 to 70 mm zoom range |
| Focal Length (35mm Equivalent for Crop Sensors) | 28 to 70 mm on full frame |
| Maximum Aperture | Constant f2.8 |
| Minimum Aperture | f22 |
| Aperture Type | Rounded 9 blade diaphragm |
| Optical Construction (Elements / Groups) | 16 elements in 12 groups |
| Special Elements | 2 FLD elements, 2 SLD elements, 3 aspherical elements |
| Coatings | Super Multi Layer and Nano Porous coatings, water and oil repellent front coating |
| Focus Type | Autofocus with manual focus support |
| Autofocus Motor Type | Stepping motor |
| Minimum Focus Distance | Approx 19 cm at 28 mm, 38 cm at 70 mm |
| Maximum Magnification Ratio | Approx 1:3.3 at wide, 1:4.6 at tele |
| Optical Stabilization | No, designed to work with in body stabilization |
| Number of Aperture Blades | 9 |
| Aperture Shape | Rounded |
| Filter Thread Size (mm) | 67 mm |
| Compatible Lens Hood Model | Sigma LH706 01 petal type |
| Focus Breathing Control | Some focus breathing may be visible in video pulls |
| Firmware Upgradable | Supports firmware updates via Sigma USB Dock, where applicable |
| Brand | Sigma |
| Manufacturer SKU | 592965 |
| UPC | 085126592653 |
What’s included
- 1- 28-70mm F2.8 DG DN Contemporary Lens, Sony E-Mount
- 1- Lens Hood - LH706-01
- 1- Front Cap - LCF-67mm III
- 1- Rear Cap - LCR II
Compatibility
| Sony a7III | Sony a7C | Sony a7IV | Sony FX3 | Sony FX30 |
| Sony a6600 | Sony a6700 | Sony ZV E1 | Sony full frame E mount bodies | Sony APS C E mount bodies |
FAQ
What mount does the Sigma 28-70mm F2.8 DG DN | Contemporary use?
This version of the lens is built for Sony E mount full frame mirrorless cameras, including popular Alpha and Cinema Line bodies that use the E mount interface.
Is the lens compatible with Sony APS C E mount cameras?
Yes, it can be used on Sony APS C E mount cameras such as the a6600 and a6700. On these bodies the field of view is tighter than on full frame, which makes it useful for portraits and general telephoto work.
Does the Sigma 28-70mm F2.8 DG DN have optical image stabilization?
No, this lens does not include built in optical stabilization. It is designed to work with the in body stabilization systems found on many Sony E mount cameras for steady stills and video.
How good is the autofocus performance for video use?
Autofocus is driven by a stepping motor that is designed to be fast and quiet, which helps maintain smooth, low noise focus transitions in video as well as responsive autofocus in stills shooting.
What is the minimum focusing distance and magnification?
The lens can focus as close as about 19 cm at the 28 mm end and about 38 cm at the 70 mm end, with a maximum magnification of roughly 1 to 3.3 at wide and 1 to 4.6 at telephoto for tight detail shots.
Is the Sigma 28-70mm F2.8 DG DN weather sealed?
The lens features a rubber sealing at the mount that provides a basic level of dust and splash resistance, but it is not described as fully weather sealed across the entire barrel and front element.
What filter size does this lens use?
The front filter thread diameter is 67 mm, which allows easy sharing of common filters such as ND and polarizers with other lenses that use the same size.
How heavy is the lens compared with other f2.8 standard zooms?
At around 470 g, the Sigma 28-70mm F2.8 DG DN is lighter than many traditional full frame f2.8 standard zoom lenses, making it well suited to compact camera bodies, travel kits and gimbal use.
Does the lens include any special optical elements or coatings?
Yes, it uses FLD and SLD low dispersion elements plus aspherical elements to help control aberrations, along with Super Multi Layer and Nano Porous coatings that improve contrast and reduce flare and ghosting.
Who is the Sigma 28-70mm F2.8 DG DN | Contemporary best suited for?
This lens is ideal for enthusiasts and working creators who want a versatile, lightweight f2.8 standard zoom for travel, events, portraits and hybrid photo video work on Sony E mount, and who value strong performance in a compact package from 17th Street.
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