Summary
- Sigma has introduced the 50-120mm F2.8 DC OS Contemporary for APS-C mirrorless cameras.
- The lens offers a constant f/2.8 maximum aperture and optical stabilization.
- It features HLA autofocus and has been announced for three mounts.
- The release is scheduled for October 22, 2026.
Sigma has announced the 50-120mm F2.8 DC OS | Contemporary, a telephoto zoom for APS-C mirrorless cameras with a constant f/2.8 maximum aperture and built-in optical stabilization.
Its focal-length range provides an approximately 75–180mm full-frame-equivalent field of view, suitable for portraits, details and subjects at a distance.
Constant f/2.8 and optical stabilization
The f/2.8 maximum aperture remains available throughout the zoom range. Sigma quotes optical stabilization of up to 6.5 stops at 50mm and 4.5 stops at 120mm. These are manufacturer specifications, not independently tested results.
Autofocus, optical design and weight
Autofocus uses an HLA linear motor. The optical design comprises 18 elements in 13 groups. The Sony E and Fujifilm X versions are listed at approximately 390g, while the Sony E version measures approximately 99mm in length.
The announced mounts are Sony E, Fujifilm X and Canon RF. Exact compatibility and dimensions should be checked for each version.
Technical specifications
| Type | APS-C telephoto zoom |
| Focal length | 50–120mm |
| Full-frame equivalent | Approximately 75–180mm |
| Maximum aperture | Constant f/2.8 |
| Optical design | 18 elements in 13 groups |
| Autofocus | HLA linear motor |
| Optical stabilization | Up to 6.5 stops at 50mm / 4.5 stops at 120mm (claimed) |
| Weight | Approximately 390g (Sony E / Fujifilm X) |
| Length | Approximately 99mm (Sony E) |
| Mounts | Sony E, Fujifilm X, Canon RF |
| Announced release | October 22, 2026 |
Price and availability
The announced release date is October 22, 2026. No verified official European price was found.
More details here.
What we think
The 50–120mm range and constant f/2.8 aperture make this an interesting APS-C option for portraits and short telephoto work. Optical stabilization is useful for handheld shooting, but actual image quality and autofocus performance require independent testing.
Frequently asked questions
Is this a full-frame lens?
It is designed for APS-C sensors.
Does the maximum aperture change while zooming?
No. The maximum aperture remains f/2.8 throughout the range.
Does it have stabilization?
Yes, the lens has built-in OS optical stabilization.
When will it be released?
The announced release date is October 22, 2026.
