Sony FE 70-200mm F2.8 GM OSS II vs Sigma 50-120mm f/2.8 DC OS Contemporary
Both are Sony E lenses. Here is what actually differs.
Pick the Sony FE 70-200mm F2.8 GM OSS II if
- You need more reach: 200mm vs 120mm at the long end
- You shoot full frame: the Sigma 50-120mm f/2.8 DC OS Contemporary is made for APS-C
- Our notes say it suits: Sports and action, event and wedding photography, hybrid video work
Pick the Sigma 50-120mm f/2.8 DC OS Contemporary if
- You want the lighter lens to carry: 655 g lighter (390 g vs 1045 g)
- You want a wider view: 50mm vs 70mm at the wide end
- You shoot close-ups: it focuses down to 0.23 m vs 0.4 m
- You want a compact lens: 99 mm vs 200 mm long
- You prefer a newer design: released 2026 vs 2021
Spec differences
15 differences| Sony FE 70-200mm F2.8 GM OSS II | Sigma 50-120mm f/2.8 DC OS Contemporary | |
|---|---|---|
| Brand |
Sony
|
Sigma
|
| Type |
Telephoto Zoom
|
Zoom
|
| Format |
Full frame
|
APS-C
|
| Focal length |
70-200mm
|
50-120mm
|
| Weight |
1045 g
|
390 g
lighter
|
| Length |
200 mm
|
99 mm
shorter
|
| Diameter |
88 mm
|
66.8 mm
slimmer
|
| Filter thread |
77 mm
|
55 mm
|
| Min focus distance |
0.4 m
|
0.23 m
closer
|
| Max magnification |
0.3×
|
0.33×
larger
|
| Aperture blades |
not listed
|
11
|
| Optical design |
not listed
|
18 elements / 13 groups
|
| Autofocus motor |
not listed
|
Linear motor
|
| Weather sealing |
not listed
|
Yes
|
| Released |
2021
|
2026
|
3 identical specs hidden: mount, max aperture, image stabilization. Show all
- Mount
- Sony E both
- Max aperture
- f/2.8 both
- Image stabilization
- Yes both
Our notes
Sony FE 70-200mm F2.8 GM OSS II
The second-generation f/2.8 G Master telephoto zoom, redesigned to be much lighter than the original. It has an internal zoom and built-in Optical SteadyShot.
Pros
- Internal zoom keeps the length fixed
- About 1,045 g, far lighter than the first version
- Multiple linear motors for fast autofocus
Cons
- Still a large, heavy lens
- Heavier than the f/4 alternatives
Our notes
Sigma 50-120mm f/2.8 DC OS Contemporary
More comparisons
Sony FE 70-200mm F2.8 GM OSS II vs Tamron 17-70mm F/2.8 Di III-A VC RXD
more reach (200mm) vs 520 g lighter
Sony FE 24-70mm f/2.8 GM vs Sigma 50-120mm f/2.8 DC OS Contemporary
wider (24mm) vs 496 g lighter
Sony FE 70-200mm F2.8 GM OSS II vs Tamron 28-200mm F/2.8-5.6 Di III RXD
stabilized vs 469 g lighter
Sony FE 70-200mm F2.8 GM OSS II vs Sigma 24-70mm F2.8 DG DN | Art 019
more reach (200mm) vs 215 g lighter
Tamron 17-70mm F/2.8 Di III-A VC RXD vs Sigma 50-120mm f/2.8 DC OS Contemporary
wider (17mm) vs 135 g lighter
Sony FE 70-200mm F2.8 GM OSS II vs Sigma 28-70mm F2.8 DG DN | Contemporary 021
more reach (200mm) vs 575 g lighter