Sony
Alpha 7S III
12MP low-light video specialist with 4K 120p, 16-bit RAW HDMI, and excellent autofocus.
$3,499
Last updated May 2026
Key specs at a glance
Resolution
12.1 MP
Sensor
Full Frame
ISO max
102,400
Burst
10 fps
4K
120 fps
IBIS
5.5-stop
Weight
699 g
Battery
600 shots
Sensor size
Sony Alpha 7S III
35.6 × 23.8 mm · Full Frame
847 mm² area
Lens ecosystem
Sony E mount
80
First-party
270
Third-party
350+
Total available
Mount introduced 2010
Body size
Sony Alpha 7S III
129 × 97 × 81 mm
699 g (1.54 lb / 24.66 oz)
129 × 97 × 81 mm · 699 g (1.54 lb / 24.66 oz)
Best for
Use-case scores
Scored algorithmically from verified specs. 10 = best in class.
Portrait
Good- · Full-frame sensor — shallow depth of field for subject isolation
- · Eye AF locks focus on subjects reliably
Sports & Action
Fair- · 10fps burst — solid for most action
- · 759 AF points — good coverage
Video & Hybrid
Excellent- · 4K recording
- · 4K 120p slow-motion
Landscape
Fair- · Full-frame sensor — wider dynamic range
- · Weather sealed for outdoor conditions
Travel
Good- · 699g — manageable for travel
- · 600 shots/charge — all-day shooting
Wildlife
Fair- · Animal subject recognition
- · Weather sealed for field conditions
Vlogging
Fair- · 4K 60p for smooth handheld vlogs
- · IBIS reduces handheld shake
Pros
- ✓ Best-in-class low light
- ✓ 4K 120p
- ✓ Full-size HDMI
- ✓ Strong IBIS
Cons
- – 12MP stills limit
- – Older generation now
- – No 8K
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Full specifications
Verified specs · Sony Alpha 7S III