TTArtisan AF 40mm f/2 40mm
Weighing just 176g with an STM motor and f/2 aperture, this full-frame 40mm prime combines a natural field of view with low-light capability in an all-metal body. Its clickable aperture ring and USB-upgradeable firmware add tactile control and future-proofing rarely found at this budget tier. This lens is best for street and travel photographers who prioritize a featherweight, discreet setup without sacrificing full-frame coverage.
Snapshot
Pros & Cons
Pros
- Strong af (86th percentile) 86th
- Strong build (85th percentile) 85th
Cons
- Below average versatility (34th percentile)
- Below average bokeh (35th percentile)
What owners think
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews - so you can see whether early praise held up.
Based on 22 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Optics
| Type | Prime |
| Focal Length Min | 40 |
| Focal Length Max | 40 |
| Elements | 9 |
| Groups | 6 |
| Aspherical Elements | 1 |
| ED Elements | 1 |
Aperture
| Max Aperture | f/16 |
| Min Aperture | f/2 |
| Constant | No |
| Diaphragm Blades | 7 |
Build
| Mount | L-Mount |
| Format | full-frame |
| Weight | 0.2 kg / 0.4 lbs |
| Filter Thread | 52 |
AF & Stabilization
| AF Type | STM |
| 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 | Panasonic LUMIX S S-R28200 | Tamron Di III-A 17-70mm f/2.8 VC RXD | Sony G Master SEL70200GM2 | Meike 50mm F1.8 Full Frame STM Auto Focus Prime |
|---|---|---|---|---|---|---|
| Focal Length | 40mm | 16-300mm | 28-200mm | 17-70mm | 70-200mm | 50mm |
| Max Aperture | f/16 | f/3.5 | f/4 | f/2.8 | f/2.8 | f/1.8 |
| Mount | L-Mount | Sony E | L-Mount | Fujifilm X | Sony E | Panasonic Sigma L |
| Stabilization | false | true | true | true | true | true |
| Weather Sealed | false | true | true | true | true | false |
| Weight (g) | 176 | 615 | 413 | 544 | 1045 | 297 |
| AF Type | STM | HLA | Autofocus | RXD | XD Linear Motors | STM |
| Lens Type | prime | zoom | macro | zoom | telephoto | prime |
| Compare | Compare | Compare | Compare | Compare |
| Product | AF | Bokeh | Build | Macro | Optical | Aperture | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|
| TTArtisan AF 40mm f/2 40mm | 85.5 | 34.8 | 85.2 | 57.9 | 40.2 | 49.5 | 34 | 54.5 | 35.6 |
| Sigma Contemporary 16-300mm f/3.5-6.7 DC OS Compare | 54.8 | 84.3 | 57.9 | 86.5 | 98.8 | 76.9 | 99.6 | 83.1 | 99.1 |
| Panasonic LUMIX S S-R28200 Compare | 54.8 | 77.8 | 73.8 | 89.5 | 90.9 | 71.4 | 95.7 | 75.5 | 99.4 |
| Tamron Di III-A 17-70mm f/2.8 VC RXD Compare | 54.8 | 86.2 | 64 | 84.3 | 89.9 | 83.8 | 89.8 | 83.1 | 80.5 |
| Sony G Master SEL70200GM2 Compare | 98.1 | 90.8 | 33.3 | 33.1 | 87.2 | 83.8 | 79.4 | 94.8 | 80.5 |
| Meike 50mm F1.8 Full Frame STM Auto Focus Prime Compare | 85.5 | 95.9 | 71.3 | 96.2 | 57.2 | 93 | 34 | 52.7 | 80.5 |
Price
Value & Pricing
Amazon.com.mx 2 offers From MX$3,017
We started tracking prices for this product on May 3, 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.
