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Sony FE 28-70mm f/3.5-5.6 OSS Full-Frame Autofocus Lens for E-Mount, Black {55} SEL2870
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$167.00
Sony's proven full-frame kit zoom for the E-mount system
The FE 28-70mm f/3.5-5.6 OSS was designed alongside the original a7 series, and it shows, at 295g with a 3.27-inch barrel, it keeps a full-frame mirrorless kit genuinely pocketable. The 55mm filter thread accepts common accessories without the bulk penalty of larger zooms, and the dust- and moisture-resistant construction means it holds up when the weather doesn't cooperate.
Optically, Sony packed one ED element and three aspherical elements into a 9-element, 8-group design to manage chromatic aberration and field curvature across the 28-70mm range. Optical SteadyShot stabilization compensates for camera shake during handheld shooting, which matters most at the 70mm end where a variable aperture lens like this one closes to f/5.6. The seven-blade circular diaphragm keeps out-of-focus backgrounds reasonably smooth. Minimum focus distance sits at 30cm, useful for close-up work on travel and documentary subjects.
On APS-C bodies, the coverage shifts to a 42-105mm equivalent, a portrait-friendly range with the same OSS advantage. For a7-series shooters who want a well-rounded walkaround lens without the weight commitment of a constant-aperture zoom, this remains a sensible, field-tested starting point.
Who It's For
A7-series owners building a lightweight travel kit get 28-70mm coverage with OSS in a body that barely registers in a bag. Documentary and street photographers who shoot handheld across mixed focal lengths benefit from the stabilization when light drops. APS-C Sony shooters gain a 42-105mm equivalent range, putting portraits and moderate telephoto within reach of a single lens. Anyone stepping into full-frame E-mount for the first time gets a practical focal range that covers wide-angle through short tele without the cost of a constant-aperture alternative.
Key Features
- 28-70mm full-frame zoom with variable aperture f/3.5-5.6
- Optical SteadyShot stabilization for handheld shooting
- One ED and three aspherical elements minimize aberration
- 295g, 3.27-inch barrel keeps full-frame kit pocketable
- Dust and moisture-resistant construction for field reliability
- 55mm filter thread, 30cm minimum focus for close work
- Seven-blade circular diaphragm for smooth bokeh
- 42-105mm equivalent on APS-C bodies
FAQ
- Is this lens small enough for travel with a full-frame a7 camera?
- At 295g and 3.27 inches long with a 55mm filter thread, it's designed specifically for pocketable full-frame kits - the kind of zoom that doesn't force you to choose between coverage and bag weight.
- How does this lens perform on APS-C Sony bodies?
- The 28-70mm range becomes 42-105mm equivalent, shifting it into solid portrait and walkaround territory while keeping the same optical stabilization advantage.
- What stabilization does this lens have?
- Optical SteadyShot (OSS) compensates for camera shake, which is especially useful at the 70mm end where the aperture closes to f/5.6 and shutter speeds get slower.
- Can I use this for close-up work?
- Minimum focus distance is 30cm, which works for tabletop subjects and tight detail shots on travel assignments - not macro territory, but closer than most kit zooms.
- How is the build quality on this lens?
- It has dust and moisture-resistant construction with a seven-blade circular diaphragm, so it handles weather better than purely sealed designs while keeping backgrounds reasonably smooth at wider apertures.
- What optical elements control aberration across the zoom range?
- One ED element and three aspherical elements distributed across 9 elements in 8 groups manage chromatic aberration and field curvature from 28mm to 70mm.
- Will this lens fit on older Sony alpha lenses or other E-mount bodies?
- Sony E-mount native lenses like this work on any full-frame or APS-C E-mount body - a7, a7R, a7S, a6000 series, and beyond.
| Specification | Value |
|---|---|
| Focal Length | 28-70mm |
| Max Aperture | f/3.5 |
| Min Aperture | f/36 |
| Mount | Sony E |
| Lens Format | Full Frame |
| Filter Size | 55 mm |
| Minimum Focusing Distance | 11.81" (30 cm) |
| Angle Of View | 75 - 34 degrees |
| Angle Of View Apsc | 54 - 23 degrees |
| Focal Length Apsc Equivalent | 42 - 105mm |
| Lens Groups | 8 |
| Lens Elements | 9 |
| Length | 3.27" |
| Maximum Diameter | 2.85" |
| Weight | 10.41 oz (295 g) |
This description was generated using AI based on KEH's internal product standards, product expertise, and knowing what customers care about most. While we strive for accuracy, details may vary by individual item.
| Brand Name | Sony |
|---|---|
| Filter Size | 55mm |
| Focus Type | Autofocus (lens motor) |
| Lens Mount | Sony E Mount |
| Lens Type | Wide-Angle, Standard / Normal |
| Max Focal Length | 70mm |
| Min Focal Length | 28mm |
