Sony Alpha a7R IV Black 2019

★★★★★ 4.7 (721)

世界初の61MP裏面照射型フルサイズExmor Rセンサーを搭載し、15ストップのダイナミックレンジと10コマ/秒の連写性能で、圧倒的な解像力を実現しています。569万ドットのUXGA OLED Tru-Finder電子ビューファインダーが、その高精細な描写を余すところなく確認させ、14ビット非圧縮RAW出力がプロの編集要求に応えます。このカメラは、スタジオでの商品撮影や風景写真など、細部の再現性を極限まで追求するフォトグラファーに最適です。

Type mirrorless
Sensor 61MP full-frame
AF Points 567 pts
Burst 10 fps
Video 4K @30fps
IBIS はい
Weight 665 g
Sony Alpha a7R IV Black 2019 camera
87 総合スコア
価格 €0
現在取り扱いなし
他の国でも利用可能:

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
82/100当社のAIによる感情分析信頼度: 高 · 146 件のソース · 2026年10月
1★2★3★4★5★Q3 '20: 4.5★ · 4 レビューQ4 '20: 4.7★ · 27 レビューQ1 '21: 4.7★ · 19 レビューQ2 '21: 4.7★ · 24 レビューQ3 '21: 5.0★ · 8 レビューQ4 '21: 4.9★ · 12 レビューQ2 '22: 5.0★ · 3 レビューQ3 '22: 5.0★ · 4 レビューQ1 '23: 5.0★ · 2 レビューQ3 '24: 5.0★ · 1 レビューQ4 '24: 1.0★ · 2 レビュー42719248121342211211111Q3 '20Q1 '21Q3 '21Q1 '22Q3 '22Q2 '23Q3 '24Q1 '25Q4 '25Q2 '26
平均評価満足(4〜5★)不満(1〜2★)バーの高さ = レビュー件数推定日
  1. Q3 2022100/1005.0★4 レビュー

    Buyers in Q3 2022 raved about the camera's performance, lightweight design, and post-processing flexibility, with only minor menu complaints.

    • Excellent image quality and resolution, especially for cropping.
    • Lightweight and easy to use with intuitive menus after initial adjustment.
    • Similar size to a7iii for familiar handling, though can cause mix-ups.
    • Menus cumbersome but manageable after a short learning period.
  2. Q4 202195/1004.9★12 レビュー

    Reviewers praise image quality, autofocus, and handling, but note large file sizes, complex setup, and a less useful touchscreen.

    • Outstanding image quality and resolution, especially for professional and detailed work.
    • Excellent autofocus with eye and face tracking, though some note it trails newer models.
    • Many parameters to configure before use; some find it overwhelming.
    • Large file sizes require fast cards and powerful computer for workflow.
  3. Q2 202185/1004.7★24 レビュー

    Buyers praised the A7R IV's image quality, resolution, and value, but criticized the complex menu system, underwhelming autofocus for wildlife, and poor documentation.

    • Image quality is exceptional, with sharp detail and impressive resolution from the 61MP sensor.
    • Menus are comprehensive but complicated, criticized for poor usability and non-intuitive navigation.
    • Autofocus struggles with fast-moving subjects like birds, causing missed shots.
    • Documentation is inadequate, lacking setup guidance, with a dim viewfinder in bright light.
  4. Q1 202188/1004.7★19 レビュー

    Reviewers praise image quality, resolution, and customization, with some noting noise, menu complexity, and sensor dust concerns.

    • Exceptional image quality and high resolution (61MP) for cropping.
    • Great customization, controls, and fast autofocus performance.
    • Higher ISO noise, complex menus, and quick buffer fill noted.
    • Dust on sensor issue when changing lenses.
  5. Q4 202088/1004.7★27 レビュー

    Buyers praised the 61MP resolution, autofocus, and ergonomics, but noted large file sizes and a dust-prone sensor.

    • Exceptional 61MP resolution and detail for cropping
    • Large raw files slow workflow; desire for lower resolution options
    • Sensor attracts dust; need shutter close option on power down
    • Autofocus great but animal/bird tracking could improve
  6. Q3 202075/1004.5★4 レビュー

    Buyers praised fast capture, improved grip, and battery life. One user noted missing low-MP shooting, Mac icon issues, and poor tether workflow.

    • Fast capture, improved grip, and battery life praised by multiple users.
    • Great viewfinder and fantastic picture quality highlighted.
    • Good camera but missing low-MP shooting option and Mac icon visibility.
    • Tether workflow described as not smooth at all by one review.

日付のある顧客レビュー 115 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。

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。

その他の構成2

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