TTArtisan AF 40mm f/2 40mm
Sony SEL18135
What Buyers Say
TTArtisan AF 40mm f/2 40mm
The TTArtisan 40mm f/2 lens is widely praised for its compact size, solid build, and excellent value for money. Many users love the manual aperture ring and the USB-C port in the lens cap for firmware updates. However, autofocus performance is a major point of contention: while some find it fast and reliable, others report persistent hunting and failure to lock focus, especially on certain camera bodies. A few users also note chromatic aberration and flare, but overall image quality is considered sharp and impressive for the price.
Pros
- Compact and lightweight design
- Excellent value for money
- Sharp image quality
- Manual aperture ring with clicks
- USB-C port in lens cap for firmware updates
Cons
- Inconsistent autofocus performance
- Autofocus hunting on some cameras
- Chromatic aberration
- Flare when pointed at the sun
- Minimum focus distance could be shorter
Sony SEL18135
The Sony E 18-135mm f/3.5-5.6 OSS lens is widely praised as an excellent all-in-one travel and walkaround lens for APS-C E-mount cameras. Users consistently highlight its sharpness, compact size, light weight, and versatile 27-200mm equivalent zoom range. While many note it is not ideal for low light and some report significant vignetting at the wide end, the overall sentiment is very positive, with most considering it a great value kit lens upgrade.
Pros
- Sharp image quality
- Compact and lightweight
- Versatile 27-200mm equivalent zoom range
- Effective optical image stabilization
- Fast and accurate autofocus
Cons
- Significant vignetting at 18mm wide end
- Not ideal for low light photography
- Variable aperture limits brightness at telephoto
- Some copies may have quality control issues
- Slight autofocus lag compared to premium lenses
Scores
Specifications
| TTArtisan AF 40mm f/2 40mm | Sony SEL18135 | |
|---|---|---|
| Optics | ||
| Type | prime | zoom |
| Focal Length Min | 40 mm | 18 mm |
| Focal Length Max | 40 mm | 135 mm |
| Elements | 9 | 16 |
| Groups | 6 | 12 |
| Aspherical Elements | 1 | 1 |
| ED Elements | 1 | 2★ |
| Aperture | ||
| Max Aperture | f/16 | f/3.5 |
| Min Aperture | f/2 | 3.5-5.6 |
| Constant | ✗ | ✗ |
| Diaphragm Blades | 7 | 7 |
| Build | ||
| Mount | L-Mount | Sony E |
| Format | full-frame★ | APS-C |
| Weather Sealed | — | ✗ |
| Weight | 0.18 kg★ | 0.33 kg |
| Filter Thread | 52 mm | 55 mm |
| AF & Stabilization | ||
| AF Type | STM | Linear motor★ |
| Stabilization | ✗ | ✓★ |
| Focus | ||
| Min Focus Distance | 400 mm★ | 450 mm |
| Max Magnification | — | 0.29x★ |
Pros & Cons
TTArtisan AF 40mm f/2 40mm
- Strong build (87th percentile)87th %ile
- Strong af (86th percentile)86th %ile
- Below average user sentiment (30th percentile)
- Below average bokeh (31st percentile)
- Below average versatility (34th percentile)
Sony SEL18135
- Strong af (98th percentile)98th %ile
- Strong versatility (96th percentile)96th %ile
- Strong social proof (90th percentile)90th %ile
- Strong stabilization (81st percentile)81st %ile
Pricing
TTArtisan AF 40mm f/2 40mm offers 2.3x better value for money
Verdict
Scores 90 overall, wins 9 of 9 usage categories and 4 of 20 specs.
