Tamron Di III 20-40mm f/2.8 VXD 20mm
Combining a constant f/2.8 aperture with a compact 365g build, this lens stands out for its fast VXD linear autofocus and useful 20-40mm range on full-frame Sony E-mount bodies. Its 6.7-inch minimum focus distance and moisture-sealed construction add practical close-up capability and durability in a portable package. This lens is best for travel photographers and vloggers who prioritize a lightweight, fast standard zoom over telephoto reach.
概览
用户评价
用户口碑如何随时间变化
独家依据客户实际撰写评价的时间--让你看到最初的好评是否持续。
基于 13 条带日期的客户评价,按日历季度分组。分期分析为英文。
实测数据
Performance
Specifications
Full Specifications
Optics
| Type | Zoom |
| Focal Length Min | 20 |
| Focal Length Max | 40 |
| Elements | 12 |
| Groups | 11 |
| Aspherical Elements | 1 |
| ED Elements | 4 |
| Coating | fluorine coating |
Aperture
| Max Aperture | f/2.8 |
| Min Aperture | f/2.8 |
| Constant | Yes |
Build
| Mount | Sony E |
| Format | full-frame |
| Weather Sealed | Yes |
| Weight | 0.4 kg / 0.8 lbs |
| Filter Thread | 67 |
AF & Stabilization
| AF Type | VXD Linear Motor |
| Stabilization | No |
Focus
| Min Focus Distance | 170 |
| Max Magnification | 1:3.8 |
vs Competition
| Spec | Tamron Di III 20-40mm f/2.8 VXD 20mm | Sigma Contemporary 18-50mm f/2.8 DC DN | Nikon NIKKOR Z 70-200mm f/2.8 S II | Sony E PZ 16-50mm f/3.5-5.6 OSS | Canon EF-S 55-250mm f/4-5.6 IS STM | OM System M.Zuiko Digital ED 50-200mm f/2.8 IS PRO |
|---|---|---|---|---|---|---|
| Focal Length | 20-40mm | 18-50mm | 70-200mm | 16-50mm | 55-250mm | 50-200mm |
| Max Aperture | f/2.8 | f/2.8 | f/2.8 | f/3.5 | f/4 | f/22 |
| Mount | Sony E | Sony E | Nikon Z | Sony E | Canon EF-S | Micro Four Thirds |
| Stabilization | false | false | true | true | true | true |
| Weather Sealed | true | true | true | true | false | true |
| Weight (g) | 366 | 290 | 1430 | 107 | 375 | 1075 |
| AF Type | VXD Linear Motor | stepping motor | Silky Swift Voice Coil Motors (SSVCM) | Autofocus | STM | Autofocus |
| Lens Type | zoom | zoom | telephoto | zoom | zoom | zoom |
| Compare | Compare | Compare | Compare | Compare |
| 产品 | AF | Bokeh | Build | Macro | Optical | Aperture | User Sentiment | Versatility | 用户口碑 | Stabilization |
|---|---|---|---|---|---|---|---|---|---|---|
| Tamron Di III 20-40mm f/2.8 VXD 20mm | 98.1 | 81.3 | 81.9 | 86.9 | 82.6 | 83.5 | 63.5 | 72.3 | 74.6 | 36.7 |
| Sigma Contemporary 18-50mm f/2.8 DC DN Compare | 87.2 | 81.3 | 86.6 | 90.8 | 82.6 | 83.5 | 80.8 | 78.6 | 89.4 | 36.7 |
| Nikon NIKKOR Z 70-200mm f/2.8 S II Compare | 96.1 | 86.6 | 19.2 | 42.9 | 99.5 | 83.5 | 91.3 | 79.4 | 53.1 | 99.2 |
| Sony E PZ 16-50mm f/3.5-5.6 OSS Compare | 53.6 | 74.7 | 98.6 | 43.7 | 68.8 | 76.8 | 63.5 | 83.3 | 80.6 | 93.5 |
| Canon EF-S 55-250mm f/4-5.6 IS STM Compare | 87.2 | 63.8 | 68.2 | 34 | 75.7 | 65.4 | 44.4 | 92.1 | 85 | 93.5 |
| OM System M.Zuiko Digital ED 50-200mm f/2.8 IS PRO Compare | 53.6 | 86.6 | 42 | 62.6 | 95.1 | 83.5 | 63.5 | 88.1 | 38.6 | 99.7 |