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.
Focal length 40mm
Aperture f/2
Mount Sony E, Nikon Z, L Mount
Weight 176 g
af type Autofocus
lens type prime
53 Overall Score
Price $168
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)
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 | Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD | Nikon NIKKOR AF-S DX NIKKOR 16-85mm f/3.5-5.6G ED VR | Meike 50mm F1.8 Full Frame STM Auto Focus Prime | Canon EF-S 18-135mm f/3.5-5.6 IS USM | Panasonic LUMIX G Vario H-FS12060 |
|---|---|---|---|---|---|---|
| Focal Length | 40mm | 18-300mm | 16-85mm | 50mm | 18-135mm | 12-60mm |
| Max Aperture | f/2 | f/3.5 | f/3.5 | f/1.8 | f/3.5 | f/22 |
| Mount | Sony E, Nikon Z, L Mount | Fujifilm X | Nikon F | Panasonic Sigma L | Canon EF-S | Micro Four Thirds |
| Stabilization | false | true | true | true | true | true |
| Weather Sealed | false | false | false | false | false | true |
| Weight (g) | 176 | 92 | 59 | 297 | 515 | 210 |
| AF Type | Autofocus | VXD linear motor | AF-S | STM | STM | Autofocus |
| Lens Type | prime | zoom | zoom | prime | zoom | zoom |
| Compare | Compare | Compare | Compare | Compare |
| Product | AF | Bokeh | Build | Macro | Optical | Aperture | Versatility | Stabilization |
|---|---|---|---|---|---|---|---|---|
| TTArtisan AF 40mm f/2 40mm | 54.7 | 88.1 | 85.2 | 57.8 | 26.9 | 90 | 34 | 35.6 |
| Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD Compare | 98.1 | 75 | 96.3 | 88.4 | 73.5 | 77 | 99.2 | 80.5 |
| Nikon NIKKOR AF-S DX NIKKOR 16-85mm f/3.5-5.6G ED VR Compare | 54.7 | 75 | 98.4 | 59.8 | 64.1 | 77 | 94.3 | 92.2 |
| Meike 50mm F1.8 Full Frame STM Auto Focus Prime Compare | 85.5 | 95.9 | 71.3 | 96.1 | 57.2 | 93 | 34 | 80.5 |
| Canon EF-S 18-135mm f/3.5-5.6 IS USM Compare | 85.5 | 75 | 45.9 | 32.7 | 79 | 77 | 96.1 | 92.2 |
| Panasonic LUMIX G Vario H-FS12060 Compare | 54.7 | 15.7 | 90 | 81.8 | 72.2 | 24.2 | 93.4 | 96.3 |
Price
Value & Pricing
From $168
Adorama 1 offer From $168
We started tracking prices for this product on Jun 6, 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.
