促销 26%
Sony Alpha a7 IV Black 2021
Type mirrorless
Sensor 33MP full-frame
AF Points 759 pts
Burst 10 fps
Video 4K @60fps
IBIS 是
Weather Sealed 是
Weight 658 g
90 综合评分
价格 MX$40,499
概览
优缺点
优点
- Strong display (99th percentile) 99th
- Strong af (96th percentile) 96th
- Strong build (96th percentile) 96th
- Strong connectivity (96th percentile) 96th
缺点
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。
用户口碑随时间保持稳定
基于 352 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
性能表现
规格参数
完整规格参数
Sensor
| Type | CMOS |
| Size | full-frame |
| Megapixels | 33 MP |
| ISO Range | 100 |
| Processor | BIONZ XR |
Autofocus
| AF Points | 759 |
| AF Type | Phase Detection: 759Contrast Detection: 425 |
| Eye AF | Yes |
| Animal AF | Yes |
| Subject Detection | Yes |
Shooting
| Burst (Mechanical) | 10 |
| Burst (Electronic) | 10 |
| Max Shutter | 1/8000 |
| Electronic Shutter | Yes |
Video
| Max Resolution | 4K |
| 4K FPS | 60 |
| 1080p FPS | 120 |
| 10-bit | Yes |
| Log Profile | Yes |
| RAW Video | No |
| Codec | XAVC HS/H.265, XAVC S, XAVC S-I |
Display & EVF
| Screen Size | 3" |
| Touchscreen | Yes |
| Articulating | Yes |
| EVF Resolution | 3.68 M dots |
Build
| Weather Sealed | Yes |
| Weight | 0.7 kg / 1.5 lbs |
| Battery Life | 520 |
Connectivity
| Wi-Fi | Yes |
| Bluetooth | Yes |
| USB | USB-C |
| HDMI | HDMI Output |
| Hot Shoe | Yes |
竞品对比
| Spec | Sony Alpha a7 IV | Panasonic Lumix S S5 II | Nikon Z Z8 | Fujifilm X-H2 | Canon EOS R5 Mark II | OM System OM-1 Mark II |
|---|---|---|---|---|---|---|
| Type | mirrorless | mirrorless | mirrorless | mirrorless | mirrorless | mirrorless |
| Sensor | 33MP full-frame | 24.2MP full-frame | 45.7MP full-frame | 40.2MP aps-c | 45MP full-frame | 20.4MP micro-four-thirds |
| AF Points | 759 | 779 | 493 | 425 | 1053 | 1053 |
| Burst FPS | 10 | 30 | 30 | 15 | 30 | 120 |
| Video | 4K @60fps | 6K @60fps | 8K @120fps | 8K @60fps | 8K @120fps | 4K @60fps |
| IBIS | true | true | true | true | true | true |
| Weather Sealed | true | true | true | true | true | true |
| Weight (g) | 658 | 658 | 820 | 1000 | 590 | 511 |
| Compare | Compare | Compare | Compare | Compare |
| 产品 | AF | EVF | Build | Burst | Video | Sensor | Battery | Display | 用户口碑 | Stabilization |
|---|---|---|---|---|---|---|---|---|---|---|
| Sony Alpha a7 IV | 96.2 | 90.6 | 96.2 | 79.5 | 81.7 | 65.2 | 95.5 | 98.6 | 94.1 | 88.5 |
| Panasonic Lumix S S5 II Compare | 97.8 | 90.6 | 96.2 | 91.4 | 94.5 | 54.5 | 92.2 | 99.4 | 94.1 | 88.5 |
| Nikon Z Z8 Compare | 91.4 | 91.2 | 97.8 | 96.1 | 99.4 | 69.8 | 91.3 | 86.9 | 97.9 | 88.5 |
| Fujifilm X-H2 Compare | 89.7 | 96.7 | 99.4 | 83.6 | 96.1 | 99 | 46.5 | 86.9 | 97.9 | 95.4 |
| Canon EOS R5 Mark II Compare | 98.9 | 95.9 | 95 | 91.4 | 99.3 | 69 | 90.9 | 99.8 | 90.1 | 88.5 |
| OM System OM-1 Mark II Compare | 98.9 | 99.9 | 91.2 | 99.8 | 85.5 | 47.4 | 95.5 | 86.9 | 90.1 | 99.6 |
价格
性价比分析
最低 MX$40,499
Amazon 1 个报价 最低 MX$40,499
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。
