Sony Alpha a7 IV 2025
The 33MP full-frame sensor and BIONZ XR engine enable 7K oversampled 4K 30p and full pixel readout 4K 60p 10-bit 4:2:2 video recording. AI-driven subject detection autofocus tracks eyes and faces reliably across stills and video, reinforcing the camera’s hybrid versatility. It best suits hybrid shooters and event photographers who need detailed 33MP images alongside high-quality oversampled 4K footage, but not for fast action or vlogging.
Type mirrorless
Sensor 33MP full-frame
Video 4K @60fps
Weight 3914 g
29 综合评分
价格 CA$0
概览
优缺点
优点
- Strong video (77th percentile) 77th
缺点
- Below average connectivity (14th percentile)
- Below average display (23rd percentile)
- Below average burst (27th percentile)
- Below average stabilization (31st percentile)
实测数据
性能表现
规格参数
完整规格参数
Sensor
| Type | Exmor R back-illuminated CMOS |
| Size | full-frame |
| Megapixels | 33 MP |
| Processor | BIONZ XR |
Autofocus
| Subject Detection | Yes |
Video
| Max Resolution | 4K |
| 4K FPS | 60 |
| 10-bit | Yes |
Build
| Weight | 3.9 kg / 8.6 lbs |
竞品对比
| Spec | Sony Alpha a7 IV | Canon EOS R6 Mark III | Fujifilm X-H2 | Nikon Z Z9 | Panasonic LUMIX GH7 | OM System OM-1 Mark II |
|---|---|---|---|---|---|---|
| Type | mirrorless | mirrorless | mirrorless | mirrorless | mirrorless | mirrorless |
| Sensor | 33MP full-frame | 32.5MP full-frame | 40.2MP aps-c | 45.7MP full-frame | 25.2MP micro-four-thirds | 20.4MP micro-four-thirds |
| AF Points | - | 1053 | 425 | 493 | 315 | 1053 |
| Burst FPS | - | 40 | 20 | 30 | 75 | 120 |
| Video | 4K @60fps | 6K @120fps | 8K @60fps | 8K @120fps | 6K @120fps | 4K @60fps |
| IBIS | false | true | true | true | true | true |
| Weather Sealed | false | true | true | true | true | true |
| Weight (g) | 3914 | 609 | 579 | 1160 | 721 | 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 | 57.3 | 33.8 | 59.4 | 26.8 | 76.8 | 58.4 | 44.7 | 23.4 | 14.4 | 43.8 | 31.1 |
| Canon EOS R6 Mark III Compare | 98.2 | 85.9 | 94.3 | 92.5 | 98 | 57.1 | 96.2 | 98.9 | 92.7 | 92.2 | 99.5 |
| Fujifilm X-H2 Compare | 86.2 | 95.1 | 88.9 | 83.7 | 99.9 | 98.6 | 96.7 | 81 | 92.7 | 86.9 | 92.9 |
| Nikon Z Z9 Compare | 88.8 | 87.6 | 99.5 | 96 | 98.5 | 63.3 | 97.1 | 81 | 92.7 | 92.2 | 82.9 |
| Panasonic LUMIX GH7 Compare | 81.9 | 85.9 | 97.4 | 94.8 | 96.7 | 54.5 | 88.5 | 81 | 92.7 | 77.1 | 95.6 |
| OM System OM-1 Mark II Compare | 98.2 | 88.3 | 88.4 | 99.8 | 82.3 | 38.2 | 93.8 | 81 | 92.7 | 86.9 | 99.5 |
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。
