Sony Alpha a7R IV Black 2019
{ "sentence_1": "6100万画素裏面照射型CMOSセンサー、BIONZ X画像処理エンジン、576万ドットOLED EVFが、10コマ/秒連写と567点位相差AFと組み合わされ、高精細な撮影を実現する。", "sentence_2": "240MPのピクセルシフトマルチ撮影やHLG/S-Log3対応4K30p動画により、スタジオや風景のポストプロダクションに柔軟性が加わる。", "sentence_3": "最高の解像力が要求される商業写真や風景写真のプロフェッショナルに推奨する。" }
type mirrorless
Sensor 61MP full-frame
af points 567
burst fps 10
Video 4K @30fps
ibis true
weather sealed true
weight g 665
89 総合スコア
価格 CA$2,316
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このCameraについて
Moving to an even higher resolution realm, the Sony a7R IVA continues the noteworthy series of highly capable full-frame cameras, characterized by impressive stills and video performance and versatility. This fourth edition of the a7R sees the inclusion of an updated 61MP sensor along with faster processing, improved AF performance, and a more well-rounded feature-set for both high-end photo and video applications.
- 61MP Full-Frame Exmor R BSI CMOS Sensor
- BIONZ X Image Processor & Front-End LSI
- 567-Point Phase-Detection AF System
- UHD 4K30p Video with HLG & S-Log3 Gammas
概要
パフォーマンス
メリットとデメリット
Pros
Cons
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Sensor
| Type | CMOS |
| Size | full-frame |
| Megapixels | 61 |
| 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 |
| 1080p FPS | 100 |
| 10-bit | No |
| Log Profile | Yes |
| RAW Video | No |
| Codec | AVCHD, XAVC S |
Display & EVF
| Screen Size | 3 |
| Touchscreen | Yes |
| Articulating | Yes |
| EVF Resolution | 5760000 |
Build
| Weather Sealed | Yes |
| Weight | 0.7 kg / 1.5 lbs |
| Battery Life | 530 |
Connectivity
| Wi-Fi | Yes |
| Bluetooth | Yes |
| USB | USB-C |
| HDMI | Micro-HDMI |
| Hot Shoe | Yes |
コストパフォーマンス
Price History
New Refurbished
競合製品との比較
| Spec | Sony Alpha a7R IV | Fujifilm X-H2 X-H2 | Canon EOS R EOS R6 Mark III | Nikon Z9 Z9 | Panasonic LUMIX GH7 GH7 | OM System OM 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 | 20MP micro-four-thirds |
| AF Points | 567 | 425 | 1053 | 1053 | 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 | true | true | true | true | true | true |
| Weight (g) | 665 | 579 | 609 | 1160 | 721 | 511 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Af | Evf | Build | Burst | Video | Sensor | Battery | Display | User Sentiment | Connectivity | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sony Alpha a7R IV | 91.9 | 95.1 | 96.7 | 65.4 | 66.3 | 72.7 | 94.8 | 99.9 | 42.3 | 93.3 | 94.6 | 90 |
| Fujifilm X-H2 X-H2 Compare | 88.1 | 95.5 | 89.5 | 85.5 | 99.9 | 97.1 | 97 | 84.3 | 83.3 | 93.3 | 94.6 | 93.5 |
| Canon EOS R EOS R6 Mark III Compare | 98.4 | 88 | 94.9 | 93.1 | 89.6 | 58.8 | 96.6 | 99.2 | 92.9 | 93.3 | 94.6 | 99.5 |
| Nikon Z9 Z9 Compare | 98.4 | 89.5 | 99.4 | 96.1 | 97.9 | 65 | 97.3 | 84.3 | 97.2 | 93.3 | 84.9 | 84.7 |
| Panasonic LUMIX GH7 GH7 Compare | 84.7 | 88 | 97.4 | 95.2 | 97.5 | 56.1 | 89.2 | 84.3 | 92.9 | 93.3 | 94.6 | 96.1 |
| OM System OM OM-1 Mark II Compare | 98.4 | 99.7 | 81.9 | 99.8 | 84.1 | 25.8 | 94.2 | 84.3 | 0 | 93.3 | 94.6 | 99.5 |
