Sony FE 100mm F2.8 STF GM OSS vs Sigma 85mm F1.4 DG DN | Art 020
Side-by-side comparison from our catalogue data. Better values are highlighted only where a clear difference exists.
Verdict at a glance
- Sigma 85mm F1.4 DG DN | Art 020 is faster by 2 stops (f/1.4 vs f/2.8), letting in more light.
- Sigma 85mm F1.4 DG DN | Art 020 is lighter by 75g.
- Sigma 85mm F1.4 DG DN | Art 020 goes wider (85mm vs 100mm).
- Sony FE 100mm F2.8 STF GM OSS reaches further (100mm vs 85mm).
| Spec | FE 100mm F2.8 STF GM OSS | 85mm F1.4 DG DN | Art 020 |
|---|---|---|
| Brand | Sony | Sigma |
| Mount | Sony E | Sony E |
| Type | Prime | Prime |
| Focal length | 100mm | 85mm (wider) |
| Max aperture | f/2.8 | f/1.4 (faster) |
| Released | 2017 | n/a |
| Format | full-frame | full-frame |
| Weight g | 700.0 | 625 (lighter) |
| Filter mm | 72 | 77 |
| Length mm | 118.1 | 96.1 |
| Stabilized | Yes | n/a |
| Diameter mm | 85.2 | 82.8 |
| Min focus m | 0.57 (closer focusing) | 0.85 |
| Max magnification | 0.25 | 0.12 |
| Blades | n/a | 11 |
| Groups | n/a | 11 |
| Af motor | n/a | Stepping motor |
| Elements | n/a | 15 |
Sony FE 100mm F2.8 STF GM OSS
A specialty portrait lens for E-mount using Smooth Trans Focus apodization for very smooth out-of-focus areas. It offers f/2.8 with an effective T5.6 transmission.
Pros
- Unusually smooth bokeh
- Optical SteadyShot
- Autofocus remains available
Cons
- Apodization element reduces light transmission (T5.6)
- Not a macro lens
Sigma 85mm F1.4 DG DN | Art 020
A portrait prime for full-frame mirrorless with an f/1.4 aperture and an aperture ring. It has a dust- and splash-proof structure and weighs about 625 g.
Pros
- Sharp from f/1.4
- Pleasant background blur
- Relatively compact for an 85mm f/1.4
Cons
- Autofocus can differ from native Sony lenses on some bodies
- Larger than f/1.8 85mm primes