Sony Alpha a7 III Black 2018
The 24.2MP full-frame BSI sensor and 693-point hybrid AF system deliver reliable subject tracking and strong low-light performance. Its 5-stop IBIS and 610-shot battery life provide all-day stability and endurance in a weather-sealed 650g body. This camera is best for hybrid shooters covering weddings and events who need consistent autofocus for both stills and 4K HLG video.
Type mirrorless
Sensor 24.2MP full-frame
AF Points 693 pts
Burst 10 fps
Video 4K @30fps
IBIS はい
Weather Sealed はい
Weight 650 g
82 総合スコア
価格 ￥331,116
Snapshot
メリットとデメリット
Pros
- Strong battery (96th percentile) 96th
- Strong build (96th percentile) 96th
- Strong af (94th percentile) 94th
- Strong connectivity (93th percentile) 93th
Cons
What owners think
購入者の評価が時間とともにどう変化したか
独自顧客が実際にレビューを書いた時期に基づいています。発売当初の高評価が続いたかどうかがわかります。
発売以降、購入者の評価は低下しています
日付のある顧客レビュー 107 件を暦四半期ごとに集計しています。期間別の分析は英語です。
The proof
パフォーマンス
スペック
全スペック一覧
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) | 10 |
| Burst (Electronic) | 10 |
| Max Shutter | 1/8000 |
| Electronic Shutter | Yes |
Video
| Max Resolution | 4K |
| 4K FPS | 30 |
| 1080p FPS | 120 |
| 10-bit | No |
| Log Profile | Yes |
| RAW Video | Yes |
| Codec | H.264, XAVC S |
Display & EVF
| Screen Size | 3" |
| Touchscreen | Yes |
| Articulating | Yes |
| EVF Resolution | 2.36 M dots |
Build
| Weather Sealed | Yes |
| Weight | 0.7 kg / 1.4 lbs |
| Battery Life | 610 |
Connectivity
| Wi-Fi | Yes |
| Bluetooth | Yes |
| USB | USB-C 3.0 / 3.1/3.2 Gen 1 |
| HDMI | Micro-HDMI |
| Hot Shoe | Yes |
競合製品との比較
| Spec | Sony Alpha a7 III | Fujifilm X-T5 X-T5 | Nikon Z5 II Z5 II | Panasonic LUMIX S5 IIX S5 IIX | Canon EOS R5 Mark II R5 Mark II | Leica SL SL3-S |
|---|---|---|---|---|---|---|
| Type | mirrorless | mirrorless | mirrorless | mirrorless | mirrorless | mirrorless |
| Sensor | 24.2MP full-frame | 40.2MP aps-c | 24.5MP full-frame | 24.2MP full-frame | 45MP full-frame | 24.6MP full-frame |
| AF Points | 693 | 425 | 273 | 779 | 1053 | 779 |
| Burst FPS | 10 | 15 | 30 | 30 | 30 | 30 |
| Video | 4K @30fps | 6K @60fps | 4K @60fps | 6K @60fps | 8K @120fps | 6K @60fps |
| IBIS | true | true | true | true | true | true |
| Weather Sealed | true | true | true | true | true | true |
| Weight (g) | 650 | 476 | 620 | 658 | 590 | 768 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Af | Evf | Build | Burst | Video | Sensor | Battery | Display | Connectivity | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sony Alpha a7 III | 94 | 77.7 | 96.2 | 74.4 | 70.3 | 49.1 | 96.3 | 68.9 | 93.4 | 86.4 | 84.7 |
| Fujifilm X-T5 X-T5 Compare | 88.1 | 89.4 | 91.7 | 80.7 | 91.4 | 97.4 | 95.7 | 83.7 | 85.4 | 97.9 | 93.6 |
| Nikon Z5 II Z5 II Compare | 82.6 | 89.4 | 95.4 | 88.2 | 84.7 | 53.7 | 90.7 | 83.7 | 93.4 | 97.9 | 84.7 |
| Panasonic LUMIX S5 IIX S5 IIX Compare | 97.3 | 91.3 | 96.7 | 90.6 | 93.1 | 49.1 | 90.3 | 99.2 | 93.4 | 72.5 | 84.7 |
| Canon EOS R5 Mark II R5 Mark II Compare | 98.5 | 94.7 | 94.3 | 90.6 | 99 | 63.6 | 44.9 | 99.7 | 93.4 | 79.4 | 99.5 |
| Leica SL SL3-S Compare | 97.3 | 94.7 | 98.1 | 85.1 | 91.5 | 54.9 | 88.3 | 83.7 | 83.4 | 0 | 84.7 |
Price
コストパフォーマンス
最安 ￥331,116
Amazon.co.jp 1件 最安 ￥331,116
2026年5月4日 ￥331,116
用途別スコア
詳細なレビューは近日公開予定です。上記のスペック、スコア、価格、チャートは常に最新です。
