Alpha a7S III Full-Frame Mirrorless Camera Body

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Alpha a7S III Full-Frame Mirrorless Camera Body

    With extreme full-frame movie performance including high sensitivity (expanded ISO up to 409600), 15-stop wide dynamic range, 4K 120p, fast and dependable autofocusing, and extra-strong image stabilization, the Alpha a7S III again raises the bar for movie makers and photographers.

    Note: Only available in the US.

    SKU: ILCE7SM3/B

    Meet the Sony a7S III

    “One of the greatest cameras for filmmakers wanting quality, yet compact enough for vloggers needing versatility.”

    Reviewed By

    Caleb Babcock

    Vanlife, Kickflips, and Mustaches. Filmmaker at Moment.​​

    Read More
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    Is it worth all the hype?

    The timeless Alpha A7S III still shines with its standout features years after its release. Okay, it's not a budget buy, but for just under $3,500, you're getting cinema-quality visuals as silky as butter. Its dual-chip Bionz XR processor gives you speedy auto-focus, exposure, and top-notch video quality. Its impressive ISO range and 15-stops of dynamic range ensure crystal-clear footage. While it might not offer the 6K or 8K resolutions some newer models do, its 4K quality is stellar — perfect unless you're chasing those ultra-high resolutions from cameras that offer 12K or more. With enhanced handling and low-light prowess, this hybrid video camera is top-tier for filmmaking professionals.

    Sample Images

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      Great Dynamic Range

      With 15 stops of dynamic range, you can fully clamp down any scene with precise clarity.

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      A Flip-Out Screen

      It’s an excellent camera with a flip-out screen for easy recording and vlogging sequences.

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      Incredible Picture

      Incredible 4k 16-bit raw output over HDMI with no recording limits for ultra-amazing-looking footage.

    Watch it in action

    You’re looking at ultra-smooth footage, standout autofocus that doesn’t miss a beat, and solid stabilization that stabilizes the shakes. Its flip screen and crystal-clear viewfinder are perfect for on-the-go shooting. It excels in 4K video and manages heat well during longer shoots, but it's wise not to overdo it. No 6K or 8K, but the 4K quality is beautiful and sharp enough that you won't feel short-changed. Plus, it performs well in low light, making it ideal for an all-around camera in the field. Overall, it’s a reliable, high-quality option for serious video work without lugging around heavy gear.

    Tech Specs

    Sensor TypeFull-frame CMOS
    Megapixel Count12.1 MP
    Video ResolutionUp to 4K 120p
    ISO Range (Stills)80-102,400 (Standard), 40-409,600 (Expanded)
    Autofocus Points759-Point Phase-Detection AF
    Image StabilizationIBIS & Optional Active Mode IS
    Continuous Shooting SpeedUp to 10 fps
    Dynamic Range15 stops
    Viewfinder9.44m dot eye viewfinder
    Touch ScreenFlip-out touch screen
    External Recording16-bit RAW via HDMI
    Card SlotsDual (CFexpress Type A / SD)
    Video CompressionXAVC HS, XAVC S, XAVC S-I
    Battery Life (CIPA)Approx. 510 shots
    Wireless ConnectivityWi-Fi, Bluetooth
    WeightApprox. 1 lb 7.5 oz (690 g)
    DimensionsApprox. 5 1/8 × 3 7/8 × 2 3/4 inches
    Touch TrackingYes
    Movie Recording (NTSC)XAVC S-I 4K: 3840 x 2160 (4:2:2, 10 bit, 600 Mbps)

    Frequently Bought With

    • Adjustable Leather Camera Neck Strap

      $60$70
    • Vario-Tessar T FE 16-35mm f/4 ZA OSS Lens

      $998
    • Rugged Camera Sling

      $110$130
    • Back-Order

      HDMI Cable Clamp for A7S III Cage

      $19.99
    • Camera Cage for Sony a7S III

      $39.99$43.99

    Reviews