Sony Alpha 7S III (ILCE-7SM3)

Sony Alpha 7S III (ILCE-7SM3) firmware

Sony · Alpha 7S III (ILCE-7SM3) · ILCE-7SM3 · Body

Latest firmware for the Sony Alpha 7S III (ILCE-7SM3) is v5.01 (May 28, 2026).

Specifications

Alpha 7S III (ILCE-7SM3) specifications

Body type
SLR Style Mirrorless
Resolution
12.1 MP
Sensor
BSI-CMOS
Sensor size
35.6 × 23.8 mm
Processor
Bionz XR
ISO range
80–102400
Fastest shutter
1/8000
Burst rate
10 fps
Battery life
600 shots (CIPA)
Storage
Dual UHS-II SD/CFexpress Type A slots
Video
MPEG4, XAVCS, XAVCHS, XAVCSI, H.264, H.265
Mount
Sony E
Weight
699 g
Dimensions
129 × 97 × 81 mm
Weather sealed
Yes
Price at launch
$3499

Changelog

Alpha 7S III (ILCE-7SM3) firmware changelog

  1. v5.01 first tracked

Firmware history

  1. Version 5.01 Latest Released May 28, 2026 First seen Jul 4, 2026
    Show release notes

    Please read this page before pro​ceeding to the latest update. You will find the benefits​ and improvements of the latest update explained on the download page.

    Release notes & download

Watch the Alpha 7S III (ILCE-7SM3) for updates

Get an email the moment Sony publishes new firmware. Just your email — no account or password needed.

More Sony bodies we track

Lenses that fit the Alpha 7S III (ILCE-7SM3)

Matched on lens mount from the imported specifications — firmware for these is tracked too.