Sony FE 100-400mm F4.5 GM 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 100-400mm F4.5 GM OSS if
- You need ⅓ stop more light for low light or background blur (f/4.5 vs f/5)
- You prefer a newer design: released 2026 vs 2020
Pick the Sigma 100-400mm f/5-6.3 DG DN OS Contemporary if
- You want the lighter lens to carry: 700 g lighter (1140 g vs 1840 g)
- You want a compact lens: 199.2 mm vs 328 mm long
Spec differences
12 differences| Sony FE 100-400mm F4.5 GM OSS | Sigma 100-400mm f/5-6.3 DG DN OS Contemporary | |
|---|---|---|
| Brand |
Sony
|
Sigma
|
| Max aperture |
f/4.5
⅓ stop faster
|
f/5
|
| Weight |
1840 g
|
1140 g
lighter
|
| Length |
328 mm
|
199.2 mm
shorter
|
| Diameter |
119.8 mm
|
86 mm
slimmer
|
| Filter thread |
95 mm
|
67 mm
|
| Min focus distance |
0.64 m
|
not listed
|
| Max magnification |
0.25×
|
0.24×
|
| Aperture blades |
not listed
|
9
|
| Optical design |
not listed
|
22 elements / 16 groups
|
| Weather sealing |
not listed
|
Yes
|
| Released |
2026
|
2020
|
5 identical specs hidden: mount, type, format, focal length, image stabilization. Show all
- Mount
- Sony E both
- Type
- Telephoto Zoom both
- Format
- Full frame both
- Focal length
- 100-400mm both
- Image stabilization
- Yes both
More comparisons
Tamron 50-400mm F4.5-6.3 Di III VC VXD vs Sony FE 100-400mm F4.5 GM OSS
685 g lighter vs newer (2026)
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
Tamron 70-300mm F/4.5-6.3 Di III RXD vs Sony FE 100-400mm F4.5 GM OSS
1295 g lighter vs more reach (400mm)
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 100-400mm F4.5 GM OSS vs Sigma 150-600mm f/5-6.3 DG DN OS Sports
⅓ stop faster vs more reach (600mm)