Sigma 35mm F1.2 DG II Art vs Sony FE 100mm f/2.8 STF GM OSS
The bottom line
These cover different focal lengths — the Sigma 35mm F1.2 DG II Art is 35mm, the Sony FE 100mm f/2.8 STF GM OSS is 100mm — so they're not really substitutes. Pick by the field of view you actually need: the Sigma 35mm F1.2 DG II Art for short-telephoto / portrait, the Sony FE 100mm f/2.8 STF GM OSS for zoom.
Choose the Sigma 35mm F1.2 DG II Art if…
- ✓You want more light and background blur — f/1.2 is faster than f/2.8, better for low light and subject separation.
- ✓You shoot wide — it starts at 35mm vs 100mm for landscapes, interiors and architecture.
- ✓You work outdoors — it's weather-sealed against dust and moisture; the other isn't.
Choose the Sony FE 100mm f/2.8 STF GM OSS if…
- ✓You need more reach — it goes to 100mm vs 35mm for distant subjects, wildlife and sport.
- ✓You shoot handheld or on an unstabilised body — it has optical stabilisation, the other doesn't.
Where they differ
- ›Aperture: the Sigma 35mm F1.2 DG II Art opens to f/1.2 vs the Sony FE 100mm f/2.8 STF GM OSS's f/2.8 — more light and shallower depth-of-field.
- ›Focal range: Sigma 35mm F1.2 DG II Art is 35mm, Sony FE 100mm f/2.8 STF GM OSS is 100mm — different framing and reach.
- ›Stabilisation: only the Sony FE 100mm f/2.8 STF GM OSS has optical stabilisation — steadier handheld shots, especially on bodies without IBIS.
- ›Durability: the Sigma 35mm F1.2 DG II Art is weather-sealed; the other isn't.
Frequently asked
Is the Sigma 35mm F1.2 DG II Art or the Sony FE 100mm f/2.8 STF GM OSS better?
These cover different focal lengths — the Sigma 35mm F1.2 DG II Art is 35mm, the Sony FE 100mm f/2.8 STF GM OSS is 100mm — so they're not really substitutes. Pick by the field of view you actually need: the Sigma 35mm F1.2 DG II Art for short-telephoto / portrait, the Sony FE 100mm f/2.8 STF GM OSS for zoom.
Who should choose the Sigma 35mm F1.2 DG II Art?
Choose the Sigma 35mm F1.2 DG II Art if you want more light and background blur — f/1.2 is faster than f/2.8, better for low light and subject separation. Choose it if you shoot wide — it starts at 35mm vs 100mm for landscapes, interiors and architecture. Choose it if you work outdoors — it's weather-sealed against dust and moisture; the other isn't.
Who should choose the Sony FE 100mm f/2.8 STF GM OSS?
Choose the Sony FE 100mm f/2.8 STF GM OSS if you need more reach — it goes to 100mm vs 35mm for distant subjects, wildlife and sport. Choose it if you shoot handheld or on an unstabilised body — it has optical stabilisation, the other doesn't.
What is the main difference between the Sigma 35mm F1.2 DG II Art and the Sony FE 100mm f/2.8 STF GM OSS?
Aperture: the Sigma 35mm F1.2 DG II Art opens to f/1.2 vs the Sony FE 100mm f/2.8 STF GM OSS's f/2.8 — more light and shallower depth-of-field.
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 35mm | 100mm |
| Lens Type | Prime | Prime |
| Optical Elements | 17 | 15 |
| Optical Groups | 13 | 12 |
| Aperture & Iris | ||
| Maximum Aperture | f/1.2 | f/2.8 |
| Minimum Aperture | f/16 | f/16 |
| Aperture Blades | 11 | 11 |
| Rounded Aperture | Yes | No |
| Coverage & Angle | ||
| Format Coverage | Full-Frame | Full-Frame |
| Lens Mount | Sony E | Sony E |
| Angle of View | 63.4° | 24° |
| 35mm Equivalent | − | − |
| Focus | ||
| Autofocus | Yes | Yes |
| Focus Motor | HLA | DDSSM |
| Focus Limiter | No | No |
| AF/MF Switch | Yes | No |
| Min Focus Distance | 28 cm | 85 cm |
| Max Magnification | 0.19x | 0.14x |
| Stabilization & Video | ||
| Optical Stabilization | No | Yes |
| Aperture Ring | Yes | No |
| Declickable Aperture | Yes | No |
| Parfocal | No | No |
| Internal Zoom | No | No |
| General | ||
| Price (MSRP) | $1,549 | $1,498 |
| Filter Size | 72mm | 72mm |
| Diameter | 81mm | 80.5mm |
| Length | 111.4mm | 118.5mm |
| Weight | 755g (1.66 lb) | 700g (1.54 lb) |
| Weather Sealed | Yes | No |
| Tripod Collar | No | No |
