Sony Alpha a7R IIIA Standard Kit 2021
42.4MPのフルサイズExmor R BSI CMOSセンサーとBIONZ Xプロセッサーが、10コマ/秒の高速連写と高解像度を両立させています。防塵防滴の堅牢なマグネシウム合金ボディに5段分のIBISを搭載し、過酷な環境下でも安定した手持ち撮影が可能です。風景やスタジオポートレートなど、妥協のない解像度と色再現を求めるプロ写真家に最適です。
概要
オーナーの声
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。
- Q1 202688/100
Buyers loved this camera for its image quality, light weight, ease of use, and value. Enthusiastic reviews praise autofocus and customization.
- Excellent image quality from 42MP sensor; great for various photography styles.
- Fast autofocus and 10fps burst, ideal for action and sports.
- Lightweight and compact build, easy to carry and use.
- Great value under $3k, beats competitors at higher price points.
- Q2 202467/100
Buyers praised the camera's value, image quality, and ease of use, but one reported a tethering issue with Lightroom.
- Great value for money with high-resolution 42MP sensor.
- Delivers excellent image quality, even for detailed moon shots.
- Intuitive and easy to use, even for Canon switchers.
- Cannot tether to Lightroom due to missing firmware update.
- Q1 202467/100
Buyers praised the camera's image quality, low light performance, and value, but one review focused on packaging and condition.
- Excellent image quality and features
- Great low light/high ISO performance
- Good value for a 42MP Sony camera
- Well packaged and delivered on time
日付のある顧客レビュー 19 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。
実証データ
パフォーマンス
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Sensor
| Type | CMOS |
| Size | full-frame |
| Megapixels | 42.4 MP |
| ISO Range | 100 |
| Processor | BIONZ X |
Autofocus
| AF Points | 399 |
| AF Type | Phase Detection: 399Contrast 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 | Yes |
| Codec | XAVC S, AVCHD, MP4 |
Display & EVF
| Screen Size | 3" |
| Touchscreen | Yes |
| Articulating | Yes |
| EVF Resolution | 3.69 M dots |
Build
| Weather Sealed | Yes |
| Weight | 0.7 kg / 1.4 lbs |
| Battery Life | 530 |
Connectivity
| Wi-Fi | Yes |
| Bluetooth | Yes |
| USB | USB-C 3.2 Gen 1 |
| HDMI | Micro-HDMI |
| Hot Shoe | Yes |
競合製品との比較
| Spec | Sony Alpha a7R IIIA | Fujifilm X-T5 | Panasonic LUMIX GH7 | Nikon Z5 II | OM System OM-1 | Olympus OM-D E-M1 Mark III |
|---|---|---|---|---|---|---|
| Type | mirrorless | mirrorless | mirrorless | mirrorless | mirrorless | mirrorless |
| Sensor | 42.4MP full-frame | 40.2MP aps-c | 25.2MP micro-four-thirds | 24.5MP full-frame | 20.4MP micro-four-thirds | 20.4MP micro-four-thirds |
| AF Points | 399 | 425 | 315 | 273 | 1053 | 121 |
| Burst FPS | 10 | 15 | 75 | 30 | 10 | 15 |
| Video | 4K @30fps | 6K @60fps | 6K @120fps | 4K @60fps | 4K @60fps | 4K @30fps |
| IBIS | true | true | true | true | true | true |
| Weather Sealed | true | true | true | true | true | true |
| Weight (g) | 657 | 476 | 721 | 620 | 511 | 580 |
| Compare | Compare | Compare | Compare | Compare |
| 製品 | AF | EVF | Build | Burst | Video | Sensor | Battery | Display | User Sentiment | Connectivity | ユーザー評価 | Stabilization |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sony Alpha a7R IIIA | 89.9 | 94.6 | 96 | 72.3 | 74.4 | 69.4 | 96.1 | 99.9 | 98.6 | 95.1 | 93.9 | 88.7 |
| Fujifilm X-T5 Compare | 90.8 | 91.5 | 92.9 | 83.6 | 93 | 99.1 | 96.8 | 99.2 | 62.9 | 95.1 | 97.6 | 95.5 |
| Panasonic LUMIX GH7 Compare | 88.5 | 90.5 | 97.1 | 95.2 | 97.5 | 61.5 | 91.8 | 86.9 | 91.7 | 95.1 | 78.1 | 97.1 |
| Nikon Z5 II Compare | 87.2 | 91.5 | 95.5 | 88.8 | 87.6 | 59.2 | 92.7 | 86.9 | 62.9 | 95.1 | 99.5 | 88.7 |
| OM System OM-1 Compare | 96 | 97.9 | 85.2 | 94.7 | 86.3 | 47.2 | 95.7 | 86.9 | 91.7 | 88.3 | 84.6 | 88.7 |
| Olympus OM-D E-M1 Mark III Compare | 84 | 86.9 | 94.6 | 91.3 | 69.7 | 47.2 | 93.8 | 86.9 | 62.9 | 95.1 | 99.9 | 97.1 |