7Artisans AF 40mm F2.5
The 90g full-frame autofocus design and STM stepping motor make this 40mm f/2.5 a featherweight prime for Sony E-mount that delivers face and eye tracking without bulk. Its 9-blade aperture yields soft, bubbly bokeh, while the clicked aperture ring and one-touch AF/MF switch add direct, tactile control. This lens best suits street photographers and vloggers who need an unobtrusive everyday 40mm with reliable subject tracking on full-frame bodies.
关于此Lens
The 90g full-frame autofocus design and STM stepping motor make this 40mm f/2.5 a featherweight prime for Sony E-mount that delivers face and eye tracking without bulk. Its 9-blade aperture yields soft, bubbly bokeh, while the clicked aperture ring and one-touch AF/MF switch add direct, tactile control. This lens best suits street photographers and vloggers who need an unobtrusive everyday 40mm with reliable subject tracking on full-frame bodies.
- Focal length 40mm
- Max aperture 2.5
- Mount Sony E
- Weight g 90
- Af type STM
- Lens type prime
概述
性能表现
优缺点
Pros
- Strong build (97th percentile) 97th
- Strong bokeh (89th percentile) 89th
- Strong aperture (88th percentile) 88th
- Strong af (87th percentile) 87th
Cons
- Below average optical (4th percentile) 4th
- Below average social proof (7th percentile) 7th
- Below average user sentiment (16th percentile) 16th
- Below average versatility (34th percentile) 34th
规格参数
完整规格参数
Optics
| Type | prime |
| Focal Length Min | 40 |
| Focal Length Max | 40 |
| Elements | 7 |
| Groups | 6 |
Aperture
| Max Aperture | 2.5 |
| Min Aperture | 2.5 |
| Constant | Yes |
| Diaphragm Blades | 9 |
Build
| Mount | Sony E |
| Format | full-frame |
| Weather Sealed | No |
| Weight | 0.1 kg / 0.2 lbs |
| Filter Thread | 46 |
AF & Stabilization
| AF Type | STM |
| Stabilization | No |
Focus
| Min Focus Distance | 400 |
性价比分析
竞品对比
| Spec | 7Artisans AF 40mm F2.5 | Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD | Viltrox 13mm f/1.4 F1.4 Z-Mount | Nikon Nikkor 55-200mm f4-5.6G ED AF-S DX | Canon EF-S 18-135mm f/3.5-5.6 IS USM | Meike 23mm F1.4 |
|---|---|---|---|---|---|---|
| Focal Length | 40mm | 18-300mm | 13mm | 55-200mm | 18-135mm | 23mm |
| Max Aperture | 2.5 | f/3.5 | f/1.4 | f/4 | f/3.5 | 1.4 |
| Mount | Sony E | Fuji X | Nikon Z | Nikon F | Canon EF-S | Nikon Z |
| Stabilization | false | true | true | true | true | true |
| Weather Sealed | false | false | false | false | false | false |
| Weight (g) | 90 | 92 | 415 | 255 | 515 | 298 |
| AF Type | STM | VXD linear motor | STM | Silent Wave Motor | STM | STM |
| Lens Type | prime | zoom | Wide-Angle | telephoto | zoom | prime |
| Compare | Compare | Compare | Compare | Compare |
| Product | Af | Bokeh | Build | Macro | Optical | Aperture | User Sentiment | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|---|
| 7Artisans AF 40mm F2.5 | 86.5 | 89.3 | 96.6 | 58 | 4.3 | 87.7 | 16.4 | 34 | 6.6 | 35.7 |
| Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD Compare | 98.2 | 74.1 | 96.5 | 87.5 | 74.5 | 76.4 | 29.8 | 99.3 | 68 | 80.9 |
| Viltrox 13mm f/1.4 F1.4 Z-Mount Compare | 86.5 | 96.5 | 42.2 | 89.2 | 82.5 | 96.2 | 80.3 | 34 | 65 | 80.9 |
| Nikon Nikkor 55-200mm f4-5.6G ED AF-S DX Compare | 54.1 | 68.9 | 77.2 | 81.2 | 66.6 | 70.7 | 91.4 | 85.3 | 68 | 92.7 |
| Canon EF-S 18-135mm f/3.5-5.6 IS USM Compare | 86.5 | 74.1 | 47.4 | 33.5 | 80 | 76.4 | 0 | 96.1 | 89.4 | 92.7 |
| Meike 23mm F1.4 Compare | 86.5 | 96.5 | 71.7 | 98.1 | 75.9 | 96.2 | 0 | 34 | 89.4 | 80.9 |
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