Sony a9 a9 II Black 2017
Its 24.2MP stacked CMOS sensor delivers blackout-free 20fps mechanical burst with 693-point phase-detection AF, including real-time Eye AF for animals. The refined body adds 1000BASE-T Ethernet and dual UHS-II slots for faster wired transfers, along with deeper weather sealing. Best for sports and wildlife photographers who need reliable high-speed tracking and rapid file delivery under field conditions.
Snapshot
优缺点
Pros
- Strong build (97th percentile) 97th
- Strong battery (94th percentile) 94th
- Strong af (93th percentile) 93th
- Strong connectivity (93th percentile) 93th
Cons
What owners think
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。
- Q1 2022100/100
All three reviews were extremely positive, praising the camera's ease of use, features like anti-flicker, and its versatility for different photography styles.
- Camera praised for being easy to learn with dials and settings.
- Descriptions of camera as amazing and perfect for needs.
- Noted as a worthy successor with improvements like 10 fps.
- Versatile for both real estate and action/nature photography.
- Q4 201973/100
Most reviewers praised the a9II's improved tracking, ergonomics, and anti-flicker, but one criticized it as a minor upgrade at a higher price.
- Excellent autofocus and real-time tracking, especially for sports and action.
- Upgraded ergonomics and build quality praised by some, but others found it insufficient.
- Anti-flicker and mechanical shutter improvements noted as key for professionals.
- One reviewer considered it a minor upgrade not worth the higher cost.
基于 15 条带日期的客户评价，按日历季度分组。分期分析为英文。
The proof
性能表现
规格参数
完整规格参数
Sensor
| Type | CMOS |
| Size | full-frame |
| Megapixels | 24.2 MP |
| ISO Range | 100 |
| Processor | BIONZ X |
Autofocus
| AF Points | 693 |
| AF Type | Phase Detection: 693Contrast Detection: 425 |
| Eye AF | Yes |
| Animal AF | Yes |
| Subject Detection | Yes |
Shooting
| Burst (Mechanical) | 20 |
| Max Shutter | 1/32000 |
| Electronic Shutter | Yes |
Video
| Max Resolution | 4K |
| 4K FPS | 30 |
| 1080p FPS | 120 |
| 10-bit | No |
| Codec | XAVC S, AVCHD |
Display & EVF
| Screen Size | 3" |
| Touchscreen | Yes |
| Articulating | Yes |
| EVF Resolution | 3.69 M dots |
Build
| Weather Sealed | Yes |
| Weight | 0.7 kg / 1.5 lbs |
| Battery Life | 500 |
Connectivity
| Wi-Fi | Yes |
| Bluetooth | Yes |
| USB | USB-C 3.0 / 3.1/3.2 Gen 1 |
| HDMI | Micro-HDMI |
| Hot Shoe | Yes |
竞品对比
| Spec | Sony a9 a9 II | Canon EOS R6 Mark III R6 Mark III | Fujifilm X-H2 X-H2 | Nikon Z Z9 | Panasonic LUMIX GH7 GH7 | OM System OM-1 Mark II OM-1 Mark II |
|---|---|---|---|---|---|---|
| Type | mirrorless | mirrorless | mirrorless | mirrorless | mirrorless | mirrorless |
| Sensor | 24.2MP 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 | 693 | 1053 | 425 | 493 | 315 | 1053 |
| Burst FPS | 20 | 40 | 20 | 30 | 75 | 120 |
| Video | 4K @30fps | 6K @120fps | 8K @60fps | 8K @120fps | 5K @120fps | 4K @60fps |
| IBIS | true | true | true | true | true | true |
| Weather Sealed | true | true | true | true | true | true |
| Weight (g) | 678 | 609 | 579 | 1160 | 721 | 511 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Af | Evf | Build | Burst | Video | Sensor | Battery | Display | User Sentiment | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sony a9 a9 II | 93.4 | 92.8 | 97.1 | 76.1 | 57.5 | 47.8 | 93.5 | 82.2 | 63.9 | 70.5 | 84 |
| Canon EOS R6 Mark III R6 Mark III Compare | 98.2 | 86.6 | 94.4 | 92.7 | 89.2 | 57.8 | 96.4 | 98.9 | 93.2 | 92.2 | 99.5 |
| Fujifilm X-H2 X-H2 Compare | 87 | 95.4 | 89.1 | 84.5 | 95.2 | 97.7 | 96.9 | 82.2 | 83.4 | 92.2 | 93.6 |
| Nikon Z Z9 Compare | 89.6 | 88.3 | 99.6 | 96 | 98.8 | 63.8 | 97.3 | 82.2 | 97.7 | 92.2 | 84 |
| Panasonic LUMIX GH7 GH7 Compare | 83 | 86.6 | 97.5 | 95 | 97.2 | 55.3 | 89.1 | 82.2 | 93.2 | 77.8 | 96.2 |
| OM System OM-1 Mark II OM-1 Mark II Compare | 98.2 | 89 | 88.6 | 99.8 | 84.1 | 39.9 | 94.1 | 82.2 | 0 | 76 | 99.5 |
Price
性价比分析
B&H Photo 8 个报价 最低 US$2,000
Newegg 1 个报价 最低 US$3,400
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。
