Sony a7 III a7 III 2018

★★★★★ 4.7 (208)

The 24.2MP full-frame BSI sensor and 693-point hybrid AF system deliver reliable subject tracking and strong low-light performance. Its 5-stop IBIS and 610-shot battery life provide all-day stability and endurance in a weather-sealed 650g body. This camera is best for hybrid shooters covering weddings and events who need consistent autofocus for both stills and 4K HLG video.

Type mirrorless
Sensor 24.2MP full-frame
AF Points 693 pts
Burst 10 fps
Video 4K @30fps
IBIS はい
Weather Sealed はい
Weight 650 g
Sony a7 III a7 III 2018 camera
83 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 battery (96th percentile) 96th
  • Strong build (96th percentile) 96th
  • Strong af (93th percentile) 93th
  • Strong connectivity (93th percentile) 93th

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
1★2★3★4★5★Q4 '21: 5.0★ · 2 レビューQ1 '22: 4.9★ · 8 レビューQ2 '22: 4.5★ · 4 レビューQ3 '22: 4.9★ · 7 レビューQ4 '22: 5.0★ · 6 レビューQ1 '23: 4.2★ · 6 レビューQ2 '23: 4.8★ · 4 レビューQ3 '23: 5.0★ · 1 レビューQ4 '23: 5.0★ · 7 レビューQ1 '24: 5.0★ · 3 レビューQ2 '24: 4.8★ · 4 レビューQ3 '24: 4.8★ · 8 レビューQ4 '24: 4.6★ · 13 レビューQ1 '25: 4.8★ · 6 レビューQ2 '25: 4.8★ · 11 レビューQ3 '25: 4.9★ · 13 レビューQ4 '25: 5.0★ · 5 レビューQ1 '26: 3.0★ · 5 レビューQ2 '26: 5.0★ · 14 レビュー28476641734813611135514Q4 '21Q2 '22Q4 '22Q2 '23Q4 '23Q2 '24Q4 '24Q2 '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
  1. Q2 202696/1005.0★14 レビュー

    Buyers in this period overwhelmingly praise the Sony A7 III's image quality, autofocus, low-light performance, and battery life. Despite its 2018 release, they still consider it a top value full-frame camera in 2026.

    • Excellent image quality, dynamic range, low-light, and sharpness even after years.
    • Fast and accurate autofocus with eye tracking, great for portraits and action.
    • Excellent battery life allowing full-day shoots without frequent recharging.
    • Menu system feels outdated with some learning curve; buyer recommends external charger for slow camera charging.
  2. Q1 202655/1004.5★5 レビュー

    Mixed reviews: one user loves their first camera, another praises low-light performance, but a verified buyer reports serious reliability issues with SD card and shutter.

    • SD card incompatibility and potential shutter failure; user very disappointed and warns others.
    • Low-light performance excellent; no flash needed at high ISO with low noise.
    • One user loves the camera as their first purchase, gave 4 stars.
    • One review is a sincere request for a free camera; not a genuine product rating.
  3. Q4 202582/1005.0★5 レビュー

    Buyers praised the Sony a7 III for excellent image quality, performance, and value, particularly for professional work and as an upgrade from older cameras.

    • Great image quality and low-light performance exceed expectations.
    • Excellent value and performance compared to newer full-frame cameras.
    • Reliable and versatile for both photography and video work.
    • Comfortable handling and user-friendly features.
  4. Q3 202585/1004.8★12 レビュー

    Buyers praise the A7III for value, image quality, and reliability in 2025. Some use it as a second body alongside newer models.

    • Excellent value for money, often preferred over newer models for cost-benefit ratio
    • Impressive image and video quality, meeting professional and hobbyist needs
    • Reliable as a second body or main camera, with seamless pairing between units
    • Minor issue: Sony discount coupon not honored after registration, but not B&H's fault
  5. Q2 202582/1004.8★9 レビュー

    Buyers find the A7 III loaded with features, great image quality, and fast autofocus, though one report criticizes the rear screen display.

    • Excellent image quality, especially in low light, and fast, accurate autofocus.
    • Rear LCD screen may not match EVF or output, making exposure hard to judge without EVF.
    • Camera is lightweight, packed with features, and versatile for photography and videography.
    • One buyer notes difficulty finding accessories for this older model.
  6. Q1 202596/1004.8★5 レビュー

    Buyers praised the camera as excellent value with advanced features, ideal for hybrid photography and videography, though one noted the non-flippy screen as a limitation.

    • Excellent value and advanced technology for photography and videography.
    • Great for wedding photography and street art shooting.
    • Best full-frame hybrid camera, a must-have for creators.
    • Small hands-friendly but non-flippy screen limits flexibility.
  7. Q4 202491/1004.6★11 レビュー

    Buyers praise the Sony a7III for excellent low-light performance, ease of use, and hybrid photo/video capabilities. One negative review reports a missing battery and poor customer service.

    • Low-light performance is exceptional, excelling in challenging conditions.
    • Camera is user-friendly for beginners and hobbyists.
    • Excellent hybrid performance for both photo and video workflows.
    • One buyer received a kit with a missing battery and cannot reach support.
  8. Q3 202492/1004.8★8 レビュー

    Buyers praise the Sony A7III for its ease of use, excellent image quality, and robust build, with many upgrading from other brands or DSLRs.

    • Excellent picture quality and easy to use, ideal for various photography needs.
    • Solid build and value, serving as a reliable upgrade from older cameras.
    • Autofocus and low-light performance exceed expectations, suitable for professional work.
    • User interface is intuitive despite some initial concerns, with quick customization options.
  9. Q2 202492/1004.8★4 レビュー

    Buyers praise the camera as lightweight, versatile, and excellent for both photo and video, with many noting it's ideal for beginners or upgrading.

    • Lightweight and travel-friendly design
    • Excellent image and video quality
    • Easy to use, even for beginners
    • Some desire for higher-end model, but satisfied with value
  10. Q1 2024100/1005.0★3 レビュー

    Three 5-star reviews praise excellent image quality, stabilization, easy use, and complete kit accessories. Buyers are highly satisfied.

    • Outstanding image quality and lens clarity, even with the kit lens.
    • Effective in-body stabilization helps produce sharp photos.
    • Kit includes useful, quality accessories that justify the price.
    • Great value for wedding photographers needing accuracy and reliability.
  11. Q4 2023100/1005.0★7 レビュー

    Buyers loved the camera for its crisp images, ease of use, and low-light performance. Some noted a learning curve.

    • Crisp, clear, and high-quality images, especially in low light.
    • Easy to use and portable; users take it everywhere.
    • Great for beginners learning photography; fulfilling experience.
    • Learning curve mentioned, but expected and managed via resources.
  12. Q2 202390/1004.8★4 レビュー

    Buyers praised the camera as excellent for beginners and a joy to use, but one warned of shutter failure before rated life expectancy.

    • Great for beginners and a pleasure to use, with vibrant colors and good lowlight performance.
    • Compact, ergonomic design praised for comfort and suitability for work and play.
    • Longtime user loves the camera but had shutter break at 132,676 actuations, below expected 200,000.
    • Highly recommended, with an exciting kit that adds value.
  13. Q1 202367/1004.2★6 レビュー

    This period shows strong praise for the camera's versatility, build quality, and performance, but with notable frustrations over complex menus and poor software.

    • Excellent all-rounder for video and photos; praised for versatility and build quality.
    • Complex menus and dull handling prompted some returns, with software issues driving one user back to Leica.
    • Great performance for both documentaries and weddings; quick delivery from Adorama.
    • Solid camera with good image output, but software reliability a concern for some.
  14. Q4 2022100/1005.0★6 レビュー

    All reviews are 5-star, praising image quality, value, and bundling. Buyers considered it a great beginner or hybrid option.

    • Excellent image quality and lightweight design.
    • Great value, affordable compared to newer models.
    • Well-packaged bundle with all necessary accessories.
    • Ideal for beginners and hybrid wedding shooting.
  15. Q3 202291/1004.9★7 レビュー

    Buyers in Q3 2022 consistently praised the camera as high-quality, easy to use, and an excellent upgrade for beginners or from other brands.

    • Great quality and ease of use for beginners.
    • Excellent upgrade from older models like a6000 or Nikon D750.
    • Sharp focus and good photo-video combo at a fair price.
    • Strong brand loyalty and overall satisfaction.
  16. Q2 202270/1004.5★4 レビュー

    Buyers praised the camera's features, quality, and value, but a critical HDMI failure shortly after warranty was a notable concern.

    • Great camera quality and features like full-frame sensor and IBIS.
    • Good value for the price, especially as an upgrade.
    • Outstanding performance but menu system could be improved.
    • HDMI output failed one month after warranty ended; costly repair.
  17. Q1 202293/1004.9★8 レビュー

    Buyers praised the A7III as a great starter camera with excellent dynamic range. Some noted the kit lens is adequate, but the menu system is frustrating.

    • Camera is lightweight, portable, and comfortable to use for both video and photos.
    • Excellent dynamic range and image quality, especially for hobbyists and content creators.
    • Kit lens is fine for beginners but some wished they had opted for the Tamron 28-75 instead.
    • Menu system is frustrating and difficult to navigate.

日付のある顧客レビュー 127 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 93.4
EVF 75.2
Build 95.9
Burst 73.2
Video 69.9
Sensor 47.8
Battery 96.2
Display 66
Connectivity 93
Social Proof 92.2
Stabilization 84

スペック

全スペック一覧

Sensor

Type CMOS
Size full-frame
Megapixels 24.2 MP
ISO Range 100
Processor BIONZ X

Autofocus

AF Points 693
AF Type Phase Detection: 693Contrast Detection: 425
Eye AF Yes
Animal AF Yes
Subject Detection Yes

Shooting

Burst (Mechanical) 10
Burst (Electronic) 10
Max Shutter 1/8000
Electronic Shutter No

Video

Max Resolution 4K
4K FPS 30
1080p FPS 120
10-bit No
Log Profile Yes
RAW Video Yes
Codec AVCHD/H.264

Display & EVF

Screen Size 3"
Touchscreen Yes
Articulating Yes
EVF Resolution 2.36 M dots

Build

Weather Sealed Yes
Weight 0.7 kg / 1.4 lbs
Battery Life 610

Connectivity

Wi-Fi Yes
Bluetooth Yes
USB USB-C 3.2 Gen 1 / USB 3.2 / 3.1 Gen 1
HDMI Micro-HDMI
Hot Shoe Yes

競合製品との比較

Spec Sony a7 III a7 III Nikon Z5 II Z5 II Fujifilm X-T5 X-T5 Panasonic LUMIX S5 IIX S5 IIX Canon EOS R5 Mark II R5 Mark II Pentax K-3 K-3 Mark III
Type mirrorless mirrorless mirrorless mirrorless mirrorless DSLR
Sensor 24.2MP full-frame 24.5MP full-frame 40.2MP aps-c 24.2MP full-frame 45MP full-frame 25.7MP aps-c
AF Points 693 273 425 779 1053 101
Burst FPS 10 30 15 30 30 12
Video 4K @30fps 4K @60fps 6K @60fps 6K @60fps 8K @120fps 4K @30fps
IBIS true true true true true true
Weather Sealed true true true true true true
Weight (g) 650 620 476 658 590 735
Compare Compare Compare Compare Compare
Product AfEvfBuildBurstVideoSensorBatteryDisplayConnectivitySocial ProofStabilization
Sony a7 III a7 III 93.475.295.973.269.947.896.2669392.284
Nikon Z5 II Z5 II Compare 8188.395.187.784.352.790.582.29399.284
Fujifilm X-T5 X-T5 Compare 8788.391.379.691.397.795.782.284.596.893.6
Panasonic LUMIX S5 IIX S5 IIX Compare 96.890.596.490.39347.890.199.29392.284
Canon EOS R5 Mark II R5 Mark II Compare 98.294.59490.398.862.844.999.79387.399.5
Pentax K-3 K-3 Mark III Compare 72.373.697.870.557.590.798.953.29371.484

Price

コストパフォーマンス

最安 ¥331,116 1店舗で1件の価格
Amazon.co.jp 1件 最安 ¥331,116
¥331,116

用途別スコア

Overall (82.9)Video (79.1)Travel (72.5)Youtube (78.2)Beginner (85.1)Vlogging (71.2)Streaming (72.3)Photography (79.8)Wedding Events (83)Sports Wildlife (81.2)Product Photography (74.7)

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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