TTArtisan AF 40mm f/2 40mm
Weighing just 176g with an all-metal 5052 aviation aluminum build, this lens combines a fast f/2 aperture with ED and aspherical elements for sharp, low-light imaging. Its STM stepping motor delivers rapid, precise autofocus with face detection, while the clicked aperture ring provides confident tactile control. This lens is best for street and travel photographers who want a lightweight, versatile 40mm prime with strong subject separation on Sony E or Nikon Z bodies.
Snapshot
Pros & Cons
Pros
- Strong aperture (90th percentile) 90th
- Strong bokeh (88th percentile) 88th
- Strong build (85th percentile) 85th
Cons
- Below average optical (27th percentile)
- Below average versatility (34th percentile)
What owners think
The proof
Performance
Specifications
Full Specifications
Optics
| Type | prime |
| Focal Length Min | 40 |
| Focal Length Max | 40 |
| Elements | 9 |
| Groups | 6 |
Aperture
| Max Aperture | f/2 |
| Min Aperture | f/16 |
| Diaphragm Blades | 7 |
Build
| Mount | Sony E, Nikon Z, L Mount |
| Format | full-frame |
| Weight | 0.2 kg / 0.4 lbs |
| Filter Thread | 52 |
AF & Stabilization
| AF Type | Autofocus |
| Stabilization | No |
Focus
| Min Focus Distance | 400 |
vs Competition
| Spec | TTArtisan AF 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 | Canon RF RF 28-70mm f/2.8 IS STM | Panasonic LUMIX S S-R28200 | Sony G Master SEL70200GM2 |
|---|---|---|---|---|---|---|
| Focal Length | 40mm | 16-300mm | 18-300mm | 28-70mm | 28-200mm | 70-200mm |
| Max Aperture | f/2 | f/3.5 | f/3.5 | f/2.8 | f/4 | f/2.8 |
| Mount | Sony E, Nikon Z, L Mount | Sony E | Fujifilm X | Canon RF | L-Mount | Sony E |
| Stabilization | false | true | true | true | true | true |
| Weather Sealed | false | true | false | true | true | true |
| Weight (g) | 176 | 615 | 92 | 495 | 413 | 1045 |
| AF Type | Autofocus | HLA | VXD linear motor | STM | Autofocus | XD Linear Motors |
| Lens Type | prime | zoom | zoom | zoom | macro | telephoto |
| Compare | Compare | Compare | Compare | Compare |
| Product | Af | Bokeh | Build | Macro | Optical | Aperture | Versatility | Stabilization |
|---|---|---|---|---|---|---|---|---|
| TTArtisan AF 40mm f/2 40mm | 54.7 | 87.9 | 85.2 | 57.8 | 26.9 | 89.8 | 34.1 | 35.6 |
| Sigma Contemporary 16-300mm f/3.5-6.7 DC OS Compare | 54.7 | 83.9 | 58 | 86.5 | 98.8 | 76.6 | 99.6 | 99.1 |
| Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD Compare | 98 | 74.7 | 96.3 | 88.4 | 73.6 | 76.6 | 99.2 | 80.5 |
| Canon RF RF 28-70mm f/2.8 IS STM Compare | 85.4 | 85.9 | 67.3 | 77.4 | 84.5 | 83.5 | 77.5 | 98.3 |
| Panasonic LUMIX S S-R28200 Compare | 54.7 | 77.5 | 73.9 | 89.5 | 90.9 | 71.1 | 95.6 | 99.4 |
| Sony G Master SEL70200GM2 Compare | 98 | 90.6 | 33.6 | 33.1 | 88 | 83.5 | 79.4 | 80.5 |
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.