Sigma Fujifilm X mount Standard zoom
Sigma 50-120mm f/2.8 DC OS Contemporary
Quick answer
The Sigma 50-120mm f/2.8 DC OS Contemporary is a standard to short telephoto zoom lens covering 50-120mm at f/2.8 for the Fujifilm X mount. Its bright maximum aperture handles indoor and evening light reasonably well.
- APS-C (75–180mm equiv.)
- 36 Fujifilm X cameras
- Focal
- 50–120mm
- Aperture
- f/2.8–22
- Weight
- 390g
- Filter
- 55mm
- Min focus
- 0.23m
- AF motor
- Linear motor
What 50-120mm sees
- APS-C crop 1.5× → 75–180mm
- 13.7–32.2° 11.4–27° horizontal
Diagonal angle of view. Frames drawn to scale at 50mm (and 120mm). Calculated from the focal length and crop factor, not measured.
Open the field-of-view calculatorSigma 50-120mm f/2.8 DC OS Contemporary specifications
Optics
- Focal length
- 50-120mm
- Maximum aperture
- f/2.8
- Minimum aperture
- f/22
- Format coverage
- APS-C
- Optical construction
- 18 elements in 13 groups
- Aperture blades
- 11
- Image stabilization
- Yes
Focus
- Autofocus motor
- Linear motor
- Minimum focus distance
- 0.23 m
- Maximum magnification
- 0.33×
Physical
- Weather sealing
- Yes
- Filter thread
- 55 mm
- Weight
- 390 g
- Length
- 99.3 mm
- Diameter
- 66.8 mm
General
- Brand
- Sigma
- Mount
- Fujifilm X
- Lens type
- Zoom
- Released
- 2026
Specification source: sigma-global.com
What can you shoot with the Sigma 50-120mm f/2.8 DC OS Contemporary?
At 50-120mm this is a standard to short telephoto zoom, which typically suits:
- Everyday and street photography
- Natural-perspective portraits
- Documentary and travel work
- Portraits with a flattering perspective
- Events and weddings
Its bright maximum aperture handles indoor and evening light reasonably well.
Frequently asked questions
What mount does the Sigma 50-120mm f/2.8 DC OS Contemporary use?
It uses the Fujifilm X mount, so it fits Fujifilm X cameras directly.
What is the focal length of the Sigma 50-120mm f/2.8 DC OS Contemporary?
It zooms across 50-120mm with a maximum aperture of f/2.8. That makes it a standard to short telephoto lens.
Is the Sigma 50-120mm f/2.8 DC OS Contemporary a prime or a zoom lens?
It is a zoom lens covering 50-120mm, so you can reframe without moving. Its maximum aperture is f/2.8.
What is the Sigma 50-120mm f/2.8 DC OS Contemporary equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 75–180mm on full frame, with a 11.4–27° horizontal and 13.7–32.2° diagonal field of view. These figures are calculated from the focal length and crop factor.
Which cameras does the Sigma 50-120mm f/2.8 DC OS Contemporary fit?
Any Fujifilm X-mount camera, including Fujifilm X-A2, Fujifilm X-A3, Fujifilm X-A5, Fujifilm X-E1, and Fujifilm X-E2 and 31 more.
Alternatives for Fujifilm X from other brands
All Fujifilm X lensesSame mount, overlapping focal range, closest maximum aperture first.
More Sigma lenses for Fujifilm X
All Sigma lenses
Other 50-120mm lenses
Browse by focal length: 50mm lenses, 120mm lenses