Sony FE 70-300mm F4.5-5.6 G OSS vs Sigma 100-400mm f/5-6.3 DG DN OS Contemporary
Both are Sony E telephoto zoom lenses for full frame. Here is what actually differs.

Pick the Sony FE 70-300mm F4.5-5.6 G OSS if
- You need ⅓ stop more light for low light or background blur (f/4.5 vs f/5)
- You want the lighter lens to carry: 286 g lighter (854 g vs 1140 g)
- You want a wider view: 70mm vs 100mm at the wide end
- You want bigger close-ups: 0.31× vs 0.24× maximum magnification
- You want a compact lens: 143.5 mm vs 199.2 mm long
- Our notes say it suits: Wildlife at moderate distance, sports in good light, travel telephoto
Pick the Sigma 100-400mm f/5-6.3 DG DN OS Contemporary if
- You need more reach: 400mm vs 300mm at the long end
- You prefer a newer design: released 2020 vs 2016
Spec differences
13 differences| Sony FE 70-300mm F4.5-5.6 G OSS | Sigma 100-400mm f/5-6.3 DG DN OS Contemporary | |
|---|---|---|
| Brand |
Sony
|
Sigma
|
| Focal length |
70-300mm
|
100-400mm
|
| Max aperture |
f/4.5
⅓ stop faster
|
f/5
|
| Weight |
854 g
lighter
|
1140 g
|
| Length |
143.5 mm
shorter
|
199.2 mm
|
| Diameter |
84 mm
|
86 mm
|
| Filter thread |
72 mm
|
67 mm
|
| Min focus distance |
0.9 m
|
not listed
|
| Max magnification |
0.31×
larger
|
0.24×
|
| Aperture blades |
not listed
|
9
|
| Optical design |
not listed
|
22 elements / 16 groups
|
| Weather sealing |
not listed
|
Yes
|
| Released |
2016
|
2020
|
4 identical specs hidden: mount, type, format, image stabilization. Show all
- Mount
- Sony E both
- Type
- Telephoto Zoom both
- Format
- Full frame both
- Image stabilization
- Yes both
Our notes
Sony FE 70-300mm F4.5-5.6 G OSS
A telephoto zoom for full-frame E-mount covering 70-300mm with Optical SteadyShot and a dust and moisture resistant design.
Pros
- Long reach at modest size
- Optical SteadyShot
- Dust and moisture resistant design
Cons
- Aperture narrows to f/5.6 at 300mm
- Not suited to dim light
Our notes
Sigma 100-400mm f/5-6.3 DG DN OS Contemporary
More comparisons
Sony FE 70-300mm F4.5-5.6 G OSS vs Tamron 50-400mm F4.5-6.3 Di III VC VXD
301 g lighter vs wider (50mm)

Tamron 150-500mm F/5-6.7 Di III VC VXD vs Sigma 100-400mm f/5-6.3 DG DN OS Contemporary
more reach (500mm) vs 585 g lighter
Sony FE 70-300mm F4.5-5.6 G OSS vs Tamron 70-300mm F/4.5-6.3 Di III RXD
stabilized vs 309 g lighter


Sony E 55-210mm F4.5-6.3 OSS vs Sigma 100-400mm f/5-6.3 DG DN OS Contemporary
⅓ stop faster vs more reach (400mm)

Sony E 70-350mm F4.5-6.3 G OSS vs Sigma 100-400mm f/5-6.3 DG DN OS Contemporary
⅓ stop faster vs more reach (400mm)

Sony FE 70-300mm F4.5-5.6 G OSS vs Sigma 150-600mm f/5-6.3 DG DN OS Sports
⅓ stop faster vs more reach (600mm)