Sigma Contemporary 351975 21-50mm
The constant F1.8 maximum aperture across its 18-35mm zoom range delivers exceptional low-light performance and shallow depth of field control uncommon in zoom lenses. Its robust, all-metal construction and HSM autofocus provide a tactile, precise shooting experience that feels purpose-built for reliability. This lens is best for portrait and event photographers using APS-C DSLRs who need a fast, versatile zoom to replace multiple primes.
Focal length 21-50mm
Aperture f/6.3
Mount Fujifilm G
stabilization Yes
Weight 300 g
af type HSM
lens type standard
47 Overall Score
Price £0
No listings available
Snapshot
Pros & Cons
Pros
- Strong stabilization (83rd percentile) 83rd
- Strong versatility (76th percentile) 76th
- Strong build (68th percentile) 68th
Cons
- Below average social proof (3rd percentile)
- Below average macro (14th percentile)
- Below average optical (21st percentile)
The proof
Performance
Specifications
Full Specifications
Optics
| Type | Standard |
| Focal Length Min | 21 |
| Focal Length Max | 50 |
Aperture
| Max Aperture | f/6.3 |
| Min Aperture | f/3.5 |
| Constant | No |
Build
| Mount | Fujifilm G |
| Format | APS-C |
| Weight | 0.3 kg / 0.7 lbs |
AF & Stabilization
| AF Type | HSM |
| Stabilization | Yes |
vs Competition
| Spec | Sigma Contemporary 351975 21-50mm | Tamron Di III 17-70mm f/2.8 Di III-A VC RXD | Nikon NIKKOR Z 17-28mm f/2.8 | Panasonic Leica DG Vario-Elmarit H-ES12060 | Sony G SELP28135G.SYX | Canon RF 28-70mm f/2.8 IS STM |
|---|---|---|---|---|---|---|
| Focal Length | 21-50mm | 17-70mm | 17-28mm | 12-60mm | 28-135mm | 28-70mm |
| Max Aperture | f/6.3 | f/2.8 | f/2.8 | f/2.8 | f/4 | f/22 |
| Mount | Fujifilm G | Fujifilm X | Nikon Z | Micro Four Thirds | Sony E | Canon RF |
| Stabilization | true | true | false | true | true | true |
| Weather Sealed | false | true | true | true | true | true |
| Weight (g) | 300 | 544 | 450 | 320 | 420 | 495 |
| AF Type | HSM | RXD | Stepping Motor | linear motor | SSM | STM |
| Lens Type | standard | zoom | zoom | zoom | zoom | zoom |
| Compare | Compare | Compare | Compare | Compare |
| Product | AF | Bokeh | Build | Macro | Optical | Aperture | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|
| Sigma Contemporary 351975 21-50mm | 53.7 | 53.2 | 68.1 | 13.6 | 21 | 53.5 | 75.8 | 3.3 | 83.4 |
| Tamron Di III 17-70mm f/2.8 Di III-A VC RXD Compare | 53.7 | 87.4 | 69.6 | 85.9 | 91 | 84.6 | 89.3 | 85 | 83.4 |
| Nikon NIKKOR Z 17-28mm f/2.8 Compare | 87.4 | 87.4 | 75.9 | 85.9 | 88 | 84.6 | 67.3 | 68.7 | 37.8 |
| Panasonic Leica DG Vario-Elmarit H-ES12060 Compare | 98.1 | 87.4 | 84.6 | 51.9 | 91 | 84.6 | 93.1 | 67.7 | 83.4 |
| Sony G SELP28135G.SYX Compare | 94.4 | 78.5 | 77.7 | 34.1 | 88 | 67.2 | 92.4 | 55.5 | 93.4 |
| Canon RF 28-70mm f/2.8 IS STM Compare | 87.4 | 24.1 | 72.6 | 80 | 86.2 | 21 | 76.9 | 89.2 | 98.6 |
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
