Sigma Contemporary 45mm f/2.8 DG 45mm
Its deliberate spherical aberration control creates a distinct rendering with a soft, gradient bokeh fall-off that separates it from clinically sharp modern lenses. The all-metal build and compact 230g weight make it a discreet, durable companion for all-day carry on full-frame Sony E-mount bodies. This lens is best for street and portrait photographers who prioritize character and tactile build quality over absolute optical perfection.
Focal length 45mm
Aperture f/2.8
Mount Sony E
Weight 230 g
af type Autofocus
49 Overall Score
Price ¥145,006
Snapshot
Pros & Cons
Pros
- Strong aperture (86th percentile) 86th
- Strong bokeh (84th percentile) 84th
- Strong build (81st percentile) 81st
Cons
- Below average macro (12th percentile)
- Below average optical (18th percentile)
- Below average versatility (34th percentile)
The proof
Performance
Specifications
Full Specifications
Optics
| Focal Length Min | 45 |
| Focal Length Max | 45 |
Aperture
| Max Aperture | f/2.8 |
| Diaphragm Blades | 7 |
Build
| Mount | Sony E |
| Weight | 0.2 kg / 0.5 lbs |
| Filter Thread | 55 |
AF & Stabilization
| AF Type | Autofocus |
| Stabilization | No |
vs Competition
| Spec | Sigma Contemporary 45mm f/2.8 DG 45mm | Canon RF RF16-28mm F2.8 IS STM | Nikon NIKKOR AF-P DX NIKKOR 10-20mm f/4.5-5.6G VR | Laowa 58mm f/2.8 2X Ultra-Macro APO | 7Artisans AF135mm F1.8 | Mitakon Zhongyi Freewalker 42.5mm f/1.2 Manual |
|---|---|---|---|---|---|---|
| Focal Length | 45mm | 16-28mm | 10-20mm | 58mm | 135mm | 43mm |
| Max Aperture | f/2.8 | f/22 | f/29 | f/2.8 | f/16 | f/1.2 |
| Mount | Sony E | Canon RF | Nikon F | Sony E | Nikon Z | Micro Four Thirds |
| Stabilization | false | true | true | false | true | false |
| Weather Sealed | false | true | false | false | true | false |
| Weight (g) | 230 | 454 | 230 | 590 | - | 310 |
| AF Type | Autofocus | STM | pulse stepping motor | - | STM | - |
| Lens Type | - | zoom | wide-angle | - | telephoto | - |
| Compare | Compare | Compare | Compare | Compare |
| Product | AF | Bokeh | Build | Macro | Optical | Aperture | Versatility | Stabilization |
|---|---|---|---|---|---|---|---|---|
| Sigma Contemporary 45mm f/2.8 DG 45mm | 54.6 | 83.5 | 81.3 | 11.8 | 18.4 | 85.8 | 33.6 | 38 |
| Canon RF RF16-28mm F2.8 IS STM Compare | 87 | 25.9 | 73.2 | 78.1 | 93.1 | 22.6 | 68.7 | 98.5 |
| Nikon NIKKOR AF-P DX NIKKOR 10-20mm f/4.5-5.6G VR Compare | 87 | 4.9 | 81.3 | 40 | 80.3 | 7.2 | 72.1 | 83.2 |
| Laowa 58mm f/2.8 2X Ultra-Macro APO Compare | 54.6 | 93.7 | 44.7 | 94.5 | 58.2 | 85.8 | 33.6 | 38 |
| 7Artisans AF135mm F1.8 Compare | 87 | 51.8 | 58.9 | 50.2 | 91.3 | 45.8 | 33.6 | 83.2 |
| Mitakon Zhongyi Freewalker 42.5mm f/1.2 Manual Compare | 54.6 | 96 | 72.3 | 11.8 | 34.9 | 98.5 | 33.6 | 38 |
Price
Value & Pricing
From ¥145,006
Amazon.co.jp 1 offer From ¥145,006
We started tracking prices for this product on Jun 7, 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.
