Sigma Contemporary 45mm f/2.8 DG DN 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 4128 g
af type Autofocus
lens type prime
44 Overall Score
Price £0
Snapshot
The proof
Performance
Specifications
Full Specifications
Optics
| Type | Prime |
| Focal Length Min | 45 |
| Focal Length Max | 45 |
Aperture
| Max Aperture | f/2.8 |
| Min Aperture | f/2.8 |
| Constant | Yes |
| Diaphragm Blades | 7 |
Build
| Mount | Sony E |
| Format | full-frame |
| Weight | 4.1 kg / 9.1 lbs |
| Filter Thread | 55 |
AF & Stabilization
| AF Type | Autofocus |
| Stabilization | No |
Focus
| Min Focus Distance | 240 |
| Max Magnification | 1:4 |
vs Competition
| Spec | Sigma Contemporary 45mm f/2.8 DG DN 45mm | Tamron Di III VC 28-300mm f/4-7.1 VXD | Nikon NIKKOR Z 17-28mm f/2.8 | Panasonic Leica DG Vario-Elmarit H-ES12035 | Sony E 18-135mm f/3.5-5.6 OSS | Viltrox Pro AF 27mm f/1.2 |
|---|---|---|---|---|---|---|
| Focal Length | 45mm | 28-300mm | 17-28mm | 12-35mm | 18-135mm | 27mm |
| Max Aperture | f/2.8 | f/4 | f/2.8 | f/2.8 | f/3.5 | f/1.2 |
| Mount | Sony E | Sony E | Nikon Z | Micro Four Thirds | Sony E | Sony E |
| Stabilization | false | true | false | true | true | false |
| Weather Sealed | false | true | true | true | false | true |
| Weight (g) | 4128 | 590 | 450 | 306 | 326 | 560 |
| AF Type | Autofocus | VXD linear motor | Stepping Motor | Autofocus | Linear motor | STM |
| Lens Type | prime | zoom | zoom | zoom | zoom | prime |
| Compare | Compare | Compare | Compare | Compare |
| Product | AF | Bokeh | Build | Macro | Optical | Aperture | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|
| Sigma Contemporary 45mm f/2.8 DG DN 45mm | 53.8 | 81.5 | 5 | 79.8 | 20.2 | 83.7 | 33.6 | 29.7 | 36.8 |
| Tamron Di III VC 28-300mm f/4-7.1 VXD Compare | 98 | 77.6 | 65.2 | 85.8 | 96.7 | 65.7 | 97.7 | 56 | 82.4 |
| Nikon NIKKOR Z 17-28mm f/2.8 Compare | 86.9 | 86.8 | 75.2 | 85.8 | 88.2 | 83.7 | 68 | 69.9 | 36.8 |
| Panasonic Leica DG Vario-Elmarit H-ES12035 Compare | 53.8 | 81.5 | 85.4 | 50.9 | 86.6 | 83.7 | 80.6 | 85.5 | 96.9 |
| Sony E 18-135mm f/3.5-5.6 OSS Compare | 98 | 75.2 | 72.5 | 40.3 | 78.6 | 77 | 95.8 | 89.8 | 82.4 |
| Viltrox Pro AF 27mm f/1.2 Compare | 86.9 | 98.5 | 67.4 | 38.5 | 82.3 | 98.6 | 33.6 | 89.8 | 36.8 |
