促销 18%
Sony Alpha a7 IV Black 2021
The 33MP full-frame Exmor R sensor and BIONZ XR processor deliver 10-bit 4:2:2 4K video at 60fps with 15+ stops of dynamic range and rapid real-time tracking autofocus. This bundle includes a versatile FE 28-70mm OSS II lens, extra battery, and filter kit for a complete out-of-the-box shooting setup. It is best for wedding and event photographers who need reliable subject detection and high-resolution stills in a weather-sealed body.
Type mirrorless
Sensor 34.1MP full-frame
Burst 10 fps
Video 4K @60fps
IBIS 是
Weather Sealed 是
Weight 3152 g
52 综合评分
价格 US$2,248
概览
优缺点
优点
- Strong build (89th percentile) 89th
- Strong video (83rd percentile) 83rd
- Strong af (80th percentile) 80th
- Strong stabilization (79th percentile) 79th
缺点
- Below average social proof (12th percentile)
- Below average display (30th percentile)
实测数据
性能表现
规格参数
完整规格参数
Sensor
| Type | CMOS |
| Size | full-frame |
| Megapixels | 34.1 MP |
| ISO Range | 100 |
| Processor | BIONZ XR |
Autofocus
| Eye AF | Yes |
| Animal AF | Yes |
| Subject Detection | Yes |
Shooting
| Burst (Mechanical) | 10 |
Video
| Max Resolution | 4K |
| 4K FPS | 60 |
| 1080p FPS | 60 |
| 10-bit | Yes |
| Log Profile | Yes |
Build
| Weather Sealed | Yes |
| Weight | 3.2 kg / 6.9 lbs |
Connectivity
| Wi-Fi | Yes |
| Bluetooth | Yes |
| Hot Shoe | Yes |
竞品对比
| Spec | Sony Alpha a7 IV | Fujifilm X-H2S | Nikon Z Z9 | Canon EOS R6 Mark III | Panasonic LUMIX S5 II | OM System OM-1 |
|---|---|---|---|---|---|---|
| Type | mirrorless | mirrorless | mirrorless | mirrorless | mirrorless | mirrorless |
| Sensor | 34.1MP full-frame | 26.2MP aps-c | 45.7MP full-frame | 32.5MP full-frame | 24.2MP full-frame | 20.4MP micro-four-thirds |
| AF Points | - | 425 | 493 | 1053 | 779 | 1053 |
| Burst FPS | 10 | 40 | 30 | 40 | 30 | 10 |
| Video | 4K @60fps | 6K @120fps | 8K @120fps | 8K @120fps | 6K @60fps | 4K @60fps |
| IBIS | true | true | true | true | true | true |
| Weather Sealed | true | true | true | true | true | true |
| Weight (g) | 3152 | 579 | 1160 | 609 | 658 | 511 |
| Compare | Compare | Compare | Compare | Compare |
| 产品 | AF | EVF | Build | Burst | Video | Sensor | Battery | Display | Connectivity | 用户口碑 | Stabilization |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sony Alpha a7 IV | 79.8 | 40 | 89.3 | 73 | 82.9 | 67.5 | 46.7 | 30.1 | 72.6 | 11.8 | 78.5 |
| Fujifilm X-H2S Compare | 90.3 | 96.8 | 94.6 | 93.5 | 97.9 | 96.8 | 98.5 | 99 | 95.4 | 90.2 | 95.2 |
| Nikon Z Z9 Compare | 92.1 | 91.4 | 99.4 | 96 | 98.9 | 71.1 | 98.1 | 87.2 | 95.4 | 94.2 | 88.5 |
| Canon EOS R6 Mark III Compare | 98.9 | 90.6 | 95.1 | 93.5 | 98.5 | 65 | 97.5 | 99 | 95.4 | 94.2 | 99.7 |
| Panasonic LUMIX S5 II Compare | 97.8 | 90.8 | 96.1 | 91.5 | 94.3 | 55.5 | 92.6 | 99.3 | 95.4 | 94.2 | 88.5 |
| OM System OM-1 Compare | 95.4 | 98 | 85.1 | 94.7 | 86.3 | 48.4 | 95.9 | 87.2 | 89.3 | 84.9 | 88.5 |
价格
性价比分析
最低 US$2,248
Amazon 1 个报价 最低 US$2,248
Best Buy 1 个报价 最低 US$2,248
Price History
使用场景评分
完整评测即将发布。上方的规格、评分、价格和图表始终保持最新。
