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Alpha 7S III - Full-frame Interchangeable Lens Camera 12.1MP, 10FPS, 4K/120p High Sensitivity

$3,999.99
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Alpha 7S III - Full-frame Interchangeable Lens Camera 12.1MP, 10FPS, 4K/120p High Sensitivity

Model: ILCE-7SM3
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  1. Approximate. Effective megapixels.
  2. Compared to previous version/model.
  3. ISO range: [Stills] 80-102,400 (Standard), 40-409,600 (Expanded), [Movies] 80-102,400 (Standard), 80-409,600 (Expanded)
  4. Movie shooting with S-Log 3. Sony test conditions. May require color grading.
  5. 12p has a 1.1x crop. XAVC S-I (S&Q) 4K 120p 10-bit 4:2:2 requires CFexpress Type A (VPG200 or higher).  XAVC S-I 4K 60p 10-bit 4:2:2 requires SDXC V90 or faster. XAVC S / XAVC HS 4K 120p 10-bit 4:2:2 requires SDXC V60 or faster. XAVC S HD 240p 10-bit 4:2:2 requires SDXC V60 or faster. CFexpress Type A supports all internal shooting modes.
  6. Requires optional compatible external recorder.
  7. Sony internal test. 77 deg F (25 deg C) (ambient, camera when recording started), Auto Power Off Temperature: High. The value will vary depending on the shooting conditions.
  8. World’s first based on Sony research. 9.44 M dot Approx values.
  9. Object recognition compared to cameras with BIONZ X processors.
  10. Human & animal. Animal Eye-AF not available in movie mode.
  11. ISO 100 equivalent, F2.0 lens, AF-S mode.
  12. Not guaranteed to be 100% dust and water resistant.
  13. When paired with optional XLR-K3M digital microphone adaptor kit
  14. Via optional adaptor
  15. Up to 10 fps in continuous “Hi+” mode and up to 8 fps in “H” mode. CFexpress Type A memory card. Sony tests.
  16. Latest version Image Edge desktop application is required.
  17. Post-production editing or S&Q mode recording required.
  18. Audio recording not available in the S&Q mode.
  19. 1420 x 804 effective sensor readout pixels at 240 fps recording.
  20. Sony internal test. 25 deg C (ambient, camera when recording started), Auto Power Off Temperature: High. The value will vary depending on the shooting conditions.
  21. Sony internal test. 25 deg C (ambient, camera when recording started), 160GB CFexpress Type-A card, Auto Power Off Temperature: High. The value will vary depending on the shooting conditions.
  22. XAVC HS compatible editing software required.
  23. HLG is a high dynamic range TV format specified by the international ITU-R BT.2100 standard
  24. When shooting full-frame still images. The number of AF points used depends on the shooting mode.
  25. Slight 1.1x (10%) image crop in Active Mode. “Standard” setting recommended for focal lengths of 200mm or longer. Active Mode is not available when recording at frame rates of 120 fps (100 fps PAL) or higher, or when using S&Q.
  26. Mechanical shutter. Only 100 Hz and 120 Hz flicker is detected. Continuous shooting speed may decrease. Anti-flicker shooting is not available during silent shooting, BULB exposure, or movie recording.
  27. Sony internal tests with electronic front curtain shutter.
  28. Models sold in some countries/regions support IEEE 802.11b/g/n (2.4 GHz) only. 5GHz communication may be restricted in some countries and regions.
  29. Proxy recording is not available in the following conditions: • Normal movie recording at a [Record Frame Rate] of 100p or higher • S&Q movie recording at a [Record Frame Rate] of 100p or higher• S&Q movies at a [Frame Rate] of 100 fps or higher. Proxy files cannot be played back via the camera.

© 2020 Sony Electronics Inc. All rights reserved. Reproduction in whole or in part without written permission is prohibited. Sony is not responsible for typographical and photographic errors.  Features and specifications are subject to change without notice.

Sony, the Sony logo, the Alpha logo, Exmor R and BIONZ XR are trademarks of Sony Corporation.  All other trademarks are trademarks of their respective owners.

What makes the Alpha 7S III well-suited for video content creation?

Built for visual trailblazers, the Alpha 7S III delivers extreme full-frame movie performance including high sensitivity (expanded ISO up to 409600), 15-stop wide dynamic range, and 4K 120p recording. It also pairs fast, dependable autofocus with extra-strong image stabilization to keep footage sharp and steady.

Is the Alpha 7S III a good choice for shooting in low light?

Yes. Its newly developed 12.1MP full-frame BSI Exmor R sensor and expandable ISO up to 409600 are optimized for high sensitivity, and it can autofocus in light as low as EV-6 for clean, usable results in dim environments.

Can the Alpha 7S III record slow-motion 4K video?

The camera supports 4K recording up to 120p, enabling smooth slow-motion footage while maintaining 4K resolution. Note that 120p includes a 1.1x crop.

What video recording formats and bit depth does the Alpha 7S III offer?

It supports internal 10-bit 4:2:2 recording across frame rates in codecs including XAVC HS (H.265), XAVC S (H.264), and XAVC S-I (All-Intra). It can also output 16-bit RAW over full-size HDMI Type-A to a compatible external recorder.

How does the autofocus system in the Alpha 7S III help with video work?

It features Sony's fast hybrid autofocus with 759 phase-detection AF points covering 92% of the image area, plus face and eye detection and subject tracking. This helps keep moving subjects in focus during video, and it can autofocus in light as low as EV-6.

Does the Alpha 7S III have in-body image stabilization?

Yes, the Alpha 7S III includes extra-strong image stabilization, and its Active Mode adds enhanced steadiness for video. Note that Active Mode applies a slight 1.1x image crop and is not available at frame rates of 120 fps or higher, or when using S&Q.

What memory cards does the Alpha 7S III support?

The Alpha 7S III features dual card slots that each support UHS-II SDXC and CFexpress Type A cards. Higher-bitrate modes such as XAVC S-I 4K 120p 10-bit 4:2:2 require CFexpress Type A (VPG200 or higher).

What is the resolution of the Alpha 7S III viewfinder?

The Alpha 7S III features a 9.44 million-dot OLED viewfinder, which Sony notes is a world's first based on its research at the time of release.

How much does the Alpha 7S III cost?

MSRP is listed as $3,999.99. Given that, these models can go on sale from time to time, and there are several other opportunities to save on price like through their group discounts for education, healthcare and military/veterans (ID.me & Unidays) along with their free loyalty program that gives up to 5% back in points.

*FAQ generated on 07/23/2026. Financing, pricing and promotions may no longer apply.