Sigma 203101
An 8-16mm focal range delivers a 121° angle of view on APS-C sensors, with HSM autofocus and three aspherical elements with Super Multi-Layer Coating to minimize ghosting. Weighing just 555 grams, it remains highly portable for an ultra-wide zoom without compromising optical precision. This lens is best for architectural interiors and street shooters who need dramatic, distortion-free perspectives in tight spaces.
Snapshot
Pros & Cons
Pros
- Strong optical (74th percentile) 74th
- Strong versatility (72nd percentile) 72nd
Cons
- Below average social proof (19th percentile)
- Below average build (22nd percentile)
- Below average macro (34th percentile)
The proof
Performance
Specifications
Full Specifications
Optics
| Type | Zoom |
| Focal Length Min | 8 |
| Focal Length Max | 16 |
| Aspherical Elements | 3 |
| ED Elements | 4 |
| Coating | Super Multi-Layer Coating |
Aperture
| Max Aperture | f/4.5 |
| Min Aperture | 4.5-5.6 |
| Constant | No |
Build
| Mount | Canon EF |
| Format | APS-C |
| Weight | 0.6 kg / 1.2 lbs |
AF & Stabilization
| AF Type | HSM |
Focus
| Min Focus Distance | 239 |
| Max Magnification | 0.12x |
vs Competition
| Spec | Sigma 203101 | Nikon NIKKOR Z 17-28mm f/2.8 | Tamron Di III 28-75mm f/2.8 VXD G2 | Panasonic Leica DG Vario-Elmarit H-ES12060 | Canon RF 28-70mm f/2.8 IS STM | Sony G SELP28135G.SYX |
|---|---|---|---|---|---|---|
| Focal Length | 8-16mm | 17-28mm | 28-75mm | 12-60mm | 28-70mm | 28-135mm |
| Max Aperture | f/4.5 | f/2.8 | f/2.8 | f/2.8 | f/22 | f/4 |
| Mount | Canon EF | Nikon Z | Sony E | Micro Four Thirds | Canon RF | Sony E |
| Stabilization | false | false | false | true | true | true |
| Weather Sealed | false | true | true | true | true | true |
| Weight (g) | 555 | 450 | 540 | 320 | 495 | 420 |
| AF Type | HSM | Stepping Motor | VXD | linear motor | STM | SSM |
| Lens Type | zoom | zoom | zoom | zoom | zoom | zoom |
| Compare | Compare | Compare | Compare | Compare |
| Product | AF | Bokeh | Build | Macro | Optical | Aperture | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|
| Sigma 203101 | 54.6 | 60.4 | 21.8 | 34 | 74 | 60.9 | 72.1 | 19.1 | 38 |
| Nikon NIKKOR Z 17-28mm f/2.8 Compare | 87 | 88.1 | 73.6 | 86.3 | 87 | 85.8 | 68.1 | 64.6 | 38 |
| Tamron Di III 28-75mm f/2.8 VXD G2 Compare | 54.6 | 88.1 | 67.2 | 87.3 | 87.8 | 85.8 | 78.2 | 83.1 | 38 |
| Panasonic Leica DG Vario-Elmarit H-ES12060 Compare | 98 | 88.1 | 83.1 | 50.4 | 90.2 | 85.8 | 93.1 | 63.5 | 83.2 |
| Canon RF 28-70mm f/2.8 IS STM Compare | 87 | 25.9 | 70.2 | 80.4 | 85 | 22.6 | 77.2 | 87.9 | 98.5 |
| Sony G SELP28135G.SYX Compare | 94.2 | 80.2 | 75.5 | 31.2 | 87 | 69.9 | 92.4 | 50.2 | 92.8 |
Price
Value & Pricing
We started tracking prices for this product on May 25, 2026. The chart appears once we have more data.
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.