New
Panasonic Lumix S 40mm f/2 40mm
The 40mm f/2 full-frame prime stands out for its featherlight 145g weight, dust/splash/freeze-resistant build, and bright aperture that excels in low light. Three aspherical elements and a 7-blade circular diaphragm produce sharp, natural rendering with smooth bokeh, aided by micro-step aperture control for silent video adjustments. Best for street and portrait photographers needing a discreet everyday lens that isolates subjects with clean, pleasing background blur.
Focal length 40mm
Aperture f/2
Mount L-Mount
Weight 145 g
af type Autofocus
56 Overall Score
Price CA$549
Snapshot
Pros & Cons
Pros
- Strong aperture (90th percentile) 90th
- Strong build (89th percentile) 89th
- Strong bokeh (88th percentile) 88th
- Strong macro (67th percentile) 67th
Cons
- Below average optical (4th percentile)
- Below average versatility (34th percentile)
What owners think
The proof
Performance
Specifications
Full Specifications
Optics
| Focal Length Min | 40 |
| Focal Length Max | 40 |
| Elements | 7 |
| Groups | 6 |
Aperture
| Max Aperture | f/2 |
| Diaphragm Blades | 7 |
Build
| Mount | L-Mount |
| Format | Full-Frame |
| Weight | 0.1 kg / 0.3 lbs |
| Filter Thread | 62 |
AF & Stabilization
| AF Type | Autofocus |
| Stabilization | No |
Focus
| Min Focus Distance | 300 |
| Max Magnification | 1:5.9 |
vs Competition
| Spec | Panasonic Lumix S 40mm f/2 40mm | Sigma Contemporary 16-300mm f/3.5-6.7 DC OS | Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD | Nikon NIKKOR Z 28-400mm f/4-8 VR | Canon EF-S 18-135mm f/3.5-5.6 IS USM | Sony E SELP1650 |
|---|---|---|---|---|---|---|
| Focal Length | 40mm | 16-300mm | 18-300mm | 28-400mm | 18-135mm | 16-50mm |
| Max Aperture | f/2 | f/3.5 | f/3.5 | f/4 | f/3.5 | f/3.5 |
| Mount | L-Mount | Sony E | Fuji X | Nikon Z | Canon EF-S | Sony E |
| Stabilization | false | true | true | true | true | true |
| Weather Sealed | false | true | false | true | false | false |
| Weight (g) | 145 | 615 | 92 | 726 | 515 | 116 |
| AF Type | Autofocus | HLA | VXD linear motor | STM | STM | Stepping motor |
| Lens Type | - | zoom | zoom | zoom | zoom | zoom |
| Compare | Compare | Compare | Compare | Compare |
| Product | Af | Bokeh | Build | Macro | Optical | Aperture | Versatility | Stabilization |
|---|---|---|---|---|---|---|---|---|
| Panasonic Lumix S 40mm f/2 40mm | 54.8 | 88.3 | 89 | 66.9 | 4.2 | 90.1 | 34.1 | 36 |
| Sigma Contemporary 16-300mm f/3.5-6.7 DC OS Compare | 54.8 | 84.6 | 58.7 | 85.9 | 98.9 | 77.5 | 99.6 | 99 |
| Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD Compare | 98.3 | 75.5 | 96.4 | 87.8 | 74.3 | 77.5 | 99.2 | 81.1 |
| Nikon NIKKOR Z 28-400mm f/4-8 VR Compare | 86.6 | 78.4 | 51.1 | 81.2 | 97 | 71.8 | 98.9 | 98.2 |
| Canon EF-S 18-135mm f/3.5-5.6 IS USM Compare | 86.6 | 75.5 | 46.8 | 33.3 | 79.8 | 77.5 | 96 | 92.5 |
| Sony E SELP1650 Compare | 86.6 | 75.5 | 93.7 | 35.3 | 64.4 | 77.5 | 83.5 | 92.5 |
Price
Value & Pricing
From CA$549
B&H Photo 1 offers From CA$549
May 30, 2026 CA$549
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
