セール中 39%
Sony Alpha a7R a7R IV Black 2019
A 61MP back-illuminated Exmor R CMOS sensor and BIONZ X processor deliver 10fps continuous shooting with full AF/AE tracking at full resolution. Real-time Eye AF for humans and animals plus a 5.8M-dot EVF provide precise subject detection and clear framing. This camera is best for studio and landscape photographers who need maximum detail without prioritizing portability.
Type mirrorless
Sensor 61MP full-frame
AF Points 567 pts
Burst 10 fps
Video 4K @30fps
IBIS はい
Weight 578 g
82 総合スコア
価格 $1,750
Snapshot
メリットとデメリット
Pros
- Strong evf (97th percentile) 97th
- Strong battery (95th percentile) 95th
- Strong af (92th percentile) 92th
- Strong stabilization (90th percentile) 90th
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。
購入者の評価は一定を保っています
日付のある顧客レビュー 16 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 | BSI-CMOS |
| Size | full-frame |
| Megapixels | 61 MP |
| ISO Range | 100 |
| Processor | BIONZ X |
Autofocus
| AF Points | 567 |
| AF Type | Phase Detection: 567Contrast Detection: 425 |
| Eye AF | Yes |
| Animal AF | Yes |
| Subject Detection | Yes |
Shooting
| Burst (Mechanical) | 10 |
| Max Shutter | 1/8000 |
| Electronic Shutter | Yes |
Video
| Max Resolution | 4K |
| 4K FPS | 30 |
| 10-bit | Yes |
| Log Profile | Yes |
| RAW Video | Yes |
| Codec | H.264, H.265 |
Display & EVF
| Screen Size | 3" |
| Touchscreen | Yes |
| Articulating | Yes |
| EVF Resolution | 5.76 M dots |
Build
| Weather Sealed | No |
| Weight | 0.6 kg / 1.3 lbs |
| Battery Life | 530 |
Connectivity
| Wi-Fi | Yes |
| Bluetooth | Yes |
| USB | USB 3.0 |
| HDMI | HDMI/USB Cable Clip |
| Hot Shoe | Yes |
競合製品との比較
| Spec | Sony Alpha a7R a7R IV | Fujifilm X-H2 X-H2 | Canon EOS R6 Mark III R6 Mark III | 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 | 61MP full-frame | 40.2MP aps-c | 32.5MP full-frame | 45.7MP full-frame | 25.2MP micro-four-thirds | 20.4MP micro-four-thirds |
| AF Points | 567 | 425 | 1053 | 493 | 315 | 1053 |
| Burst FPS | 10 | 20 | 40 | 30 | 75 | 120 |
| Video | 4K @30fps | 8K @60fps | 6K @120fps | 8K @120fps | 5K @120fps | 4K @60fps |
| IBIS | true | true | true | true | true | true |
| Weather Sealed | false | true | true | true | true | true |
| Weight (g) | 578 | 579 | 609 | 1160 | 721 | 511 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Af | Evf | Build | Burst | Video | Sensor | Battery | Display | Connectivity | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sony Alpha a7R a7R IV | 92 | 97.2 | 70.7 | 65 | 75.2 | 72.4 | 94.8 | 83.6 | 69.5 | 87.4 | 90.2 |
| Fujifilm X-H2 X-H2 Compare | 88.1 | 95.6 | 89.4 | 85.1 | 95.3 | 97.4 | 96.9 | 83.6 | 93.4 | 92.4 | 93.6 |
| Canon EOS R6 Mark III R6 Mark III Compare | 98.5 | 87.8 | 94.7 | 92.8 | 89.3 | 58.5 | 96.5 | 98.9 | 93.4 | 89.6 | 99.5 |
| Nikon Z Z9 Compare | 90.6 | 89.4 | 99.6 | 96 | 99 | 64.5 | 97.3 | 83.6 | 93.4 | 92.4 | 84.7 |
| Panasonic LUMIX GH7 GH7 Compare | 84.5 | 87.8 | 97.6 | 95.1 | 97.3 | 56.1 | 89.3 | 83.6 | 93.4 | 77.6 | 96.1 |
| OM System OM-1 Mark II OM-1 Mark II Compare | 98.5 | 90.2 | 88.9 | 99.8 | 84.4 | 41.1 | 94.3 | 83.6 | 93.4 | 76.2 | 99.5 |
Price
コストパフォーマンス
最安 $1,750
B&H Photo 1件 最安 $1,750
Newegg 1件 最安 $2,130
Amazon 2件 最安 $2,144
Price History
New Refurbished
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。
