Big Mike's SLY500 500mm
Big Mike's
37 综合评分
vs
Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD
Tamron
100 综合评分
买家怎么说
Big Mike's SLY500 500mm
62 满分 100 置信度低 8 条评价
这款廉价长焦镜头收到了褒贬不一的评价。许多用户称赞其性价比，指出对于偶尔使用（如拍摄月亮）来说，对焦清晰，画质尚可。然而，几位经过验证的买家报告了对焦偏软、灰尘污染和做工质量差的问题，尤其是在使用2倍增距镜时。它最适合那些有现实期望并愿意使用三脚架和手动对焦的用户。
优点
- 性价比极高
- 偶尔使用对焦清晰
- 三脚架上画质尚可
- 适合拍摄月亮和日食
- 适配器和转换器加工牢固
缺点
- 部分产品对焦偏软
- 2倍增距镜导致灰尘污染
- 需要大量光线（最大光圈f/8）
- 无防抖功能
- 适配器缺少后盖
Value for money 5
Image quality 6
Focus performance 4
Build quality 4
Light requirements 3
Dust contamination 2
Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD
92 满分 100 置信度中 13 条评价
腾龙28-300mm超级变焦镜头因其轻便设计、多功能焦段和可靠的成像质量而受到称赞。用户赞赏其紧凑的做工和顺滑的变焦环，但指出光圈较小，锐度相比更昂贵的变焦镜头略有不足。经过验证的购买者推荐它作为搭配索尼机身的理想旅行镜头。
优点
- 轻便设计
- 多功能28-300mm焦段
- 顺滑的变焦环
- 紧凑构造适合旅行
- 与索尼机身良好兼容
缺点
- 最大光圈较小 (f/4-7.1)
- 相比高端变焦镜头锐度降低
- 非内变焦设计
- 某些机身上高帧率自动对焦较慢
Build quality 3
Sharpness 3
Aperture 2
Weight and portability 3
Zoom range 4
Autofocus performance 1
评分
Budget
Macro
Landscape
Portrait
Professional
Wildlife Sports
Video Cinema
Street
Travel
规格
| Big Mike's SLY500 500mm | Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD | |
|---|---|---|
| Optics | ||
| Type | telephoto | zoom |
| Focal Length Min | 500 mm | 28 mm |
| Focal Length Max | 1000 mm | 300 mm |
| Elements | — | 20 |
| Groups | — | 13 |
| Aspherical Elements | — | 3★ |
| ED Elements | — | 2★ |
| Coating | multi-coated | fluorine coating |
| Aperture | ||
| Max Aperture | f/8 | f/4 |
| Min Aperture | f/8 | 4-7.1 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | — | 9★ |
| Build | ||
| Mount | T Mount | Sony E |
| Format | — | full-frame★ |
| Weather Sealed | — | ✓★ |
| Weight | 1.16 kg | 0.59 kg★ |
| Filter Thread | 67 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | manual focus only | VXD linear motor★ |
| Stabilization | ✓ | ✓ |
| Focus | ||
| Min Focus Distance | 500 mm | 190 mm★ |
| Max Magnification | — | 1:2.8★ |
优缺点
Big Mike's SLY500 500mm
- Strong stabilization (81st percentile)81st %ile
- Strong versatility (72nd percentile)
- Below average user sentiment (6th percentile)6th %ile
- Below average af (14th percentile)14th %ile
- Below average build (15th percentile)15th %ile
Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD
- Strong versatility (98th percentile)98th %ile
- Strong af (98th percentile)98th %ile
- Strong optical (97th percentile)97th %ile
- Strong user sentiment (91st percentile)91st %ile
结论
胜出: Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD
Scores 100 overall, wins 9 of 9 usage categories and 9 of 21 specs.