Sony Alpha a7R IV Black 2019

★★★★★ 4.7 (248)

A 62.5MP full-frame sensor and 567-point phase-detection AF enable 10fps burst shooting with full AF/AE tracking, capturing fine detail in fast action. Its 15-stop dynamic range, weather-sealed magnesium body, and high-resolution EVF deliver reliable low-light performance and clean high-ISO images. Best for sports and wildlife photographers needing high-resolution stills and rapid continuous shooting.

Type mirrorless
Sensor 62.5MP 35.7 x 23.8mm
AF Points 567 pts
Burst 10 fps
Video 4K @30fps
IBIS はい
Weather Sealed はい
Weight 662 g
Sony Alpha a7R IV Black 2019 camera
82 総合スコア
他の国でも利用可能:

Snapshot

メリットとデメリット

Pros

  • Strong build (97th percentile) 97th
  • Strong battery (96th percentile) 96th
  • Strong connectivity (93th percentile) 93th
  • Strong social proof (92th percentile) 92th

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。

購入者の評価は時間とともに向上しています
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★ · 2 レビューQ4 '21: 4.9★ · 12 レビューQ2 '22: 5.0★ · 2 レビューQ3 '22: 5.0★ · 4 レビューQ3 '24: 5.0★ · 1 レビュー4271924212241Q3 '20Q4 '20Q1 '21Q2 '21Q3 '21Q4 '21Q2 '22Q3 '22Q3 '24
平均評価満足(4〜5★)不満(1〜2★)バーの高さ = レビュー件数
  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 95 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

パフォーマンス偏差値

AF 90.6
EVF 87
Build 96.7
Burst 62.1
Video 74.3
Sensor 72.1
Battery 96.4
Display 63.9
Connectivity 93
Social Proof 92
Stabilization 83.2

スペック

全スペック一覧

Sensor

Type 35.7 x 23.8 mm (Full-Frame) CMOS
Size 35.7 x 23.8mm"
Megapixels 62.5 MP
ISO Range 100
Processor BIONZ X

Autofocus

AF Points 567
AF Type Automatic (A), Continuous-Servo AF (C), Direct Manual Focus (DMF
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 120
10-bit Yes
Log Profile Yes
RAW Video Yes
Codec H.264

Display & EVF

Screen Size 3"
Touchscreen Yes
Articulating No
EVF Resolution 3.69 M dots

Build

Weather Sealed Yes
Weight 0.7 kg / 1.5 lbs
Battery Life 670

Connectivity

Wi-Fi Yes
Bluetooth Yes
USB USB-C
HDMI Micro HDMI
Hot Shoe Yes

競合製品との比較

Spec Sony Alpha a7R IV Canon EOS R6 Mark III R6 Mark III Fujifilm X-H2 X-H2 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 62.5MP 35.7 x 23.8mm 32.5MP full-frame 40.2MP aps-c 45.7MP full-frame 25.2MP micro-four-thirds 20.4MP micro-four-thirds
AF Points 567 1053 425 493 315 1053
Burst FPS 10 40 20 30 75 120
Video 4K @30fps 6K @120fps 8K @60fps 8K @120fps 5K @120fps 4K @60fps
IBIS true true true true true true
Weather Sealed true true true true true true
Weight (g) 662 609 579 1160 721 511
Compare Compare Compare Compare Compare
Product AfEvfBuildBurstVideoSensorBatteryDisplaySocial ProofStabilization
Sony Alpha a7R IV 90.68796.762.174.372.196.463.99283.2
Canon EOS R6 Mark III R6 Mark III Compare 98.286.194.492.788.95796.298.99299.5
Fujifilm X-H2 X-H2 Compare 86.595.189.18495.297.996.681.59293.3
Nikon Z Z9 Compare 89.187.899.596.198.86397.181.59283.2
Panasonic LUMIX GH7 GH7 Compare 82.486.197.49597.254.588.781.577.896
OM System OM-1 Mark II OM-1 Mark II Compare 98.288.688.699.883.838.893.981.57699.5

用途別スコア

Overall (82.2)Video (81.4)Travel (72.8)Youtube (66.3)Beginner (83.3)Vlogging (58.7)Streaming (72.3)Photography (85.2)Wedding Events (85.5)Sports Wildlife (80.8)Product Photography (80.6)

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3

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