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Sony

Alpha 7S II

12MP low-light video pioneer before the A7S III revolution.

$2,999

Last updated May 2026

Key specs at a glance

Resolution

12.2 MP

Sensor

Full Frame

ISO max

102,400

Burst

5 fps

4K

30 fps

IBIS

4.5-stop

Weight

627 g

Battery

310 shots

Sensor size

Sony Alpha 7S II

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 II

127 × 96 × 60 mm

627 g (1.38 lb / 22.12 oz)

127 × 96 × 60 mm · 627 g (1.38 lb / 22.12 oz)

Best for

Use-case scores

Scored algorithmically from verified specs. 10 = best in class.

Portrait

Good
6.5/ 10
  • · Full-frame sensor — shallow depth of field for subject isolation
  • · Eye AF locks focus on subjects reliably

Sports & Action

Limited
1.5/ 10
  • · Weather sealed for outdoor sports

Video & Hybrid

Fair
5.0/ 10
  • · 4K recording
  • · Log profile (S-Log2 / S-Log3) for grading latitude

Landscape

Fair
4.5/ 10
  • · Full-frame sensor — wider dynamic range
  • · Weather sealed for outdoor conditions

Travel

Good
6.5/ 10
  • · 627g — compact and travel-friendly
  • · Weather sealed for varied conditions

Wildlife

Limited
2.5/ 10
  • · Weather sealed for field conditions
  • · ISO 102,400 for low-light wildlife

Vlogging

Good
6.0/ 10
  • · IBIS reduces handheld shake
  • · Eye AF locks on you while filming

Pros

  • Legendary low light
  • 4K internal
  • Compact files

Cons

  • 12MP stills limit
  • Old AF
  • 8-bit 4K

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Full specifications

Verified specs · Sony Alpha 7S II

Sensor

Resolution12.2 MP
Sensor typeFull Frame Exmor CMOS
Sensor size35.6 × 23.8 mm
AA filterYes

Processor

ProcessorBIONZ X

ISO

ISO min (native)100
ISO max (native)102,400
ISO max (expanded)409,600

Shutter

Shutter typeMechanical + Electronic
Max mechanical speed1/8000 sec
Max electronic speed1/16000 sec

Autofocus

AF systemFast Hybrid AF (phase-detection / contrast-detection)
AF points / zones169
AF frame coverage94 %
AF low-light limit-4 EV
Eye AFYes
Animal / bird AFNo
Subject recognitionHuman

Burst

Burst (mechanical)5 fps
Burst (electronic)5 fps
Pre-Capture / Pre-ReleaseNo
RAW buffer depth120 frames

Video

Max resolution4K UHD
4K max frame rate30 fps
Max video bit rate200 Mbps
Internal RAW videoNo
Log profileS-Log2 / S-Log3
CodecsXAVC S, AVCHD, MP4, H.264

Stabilization

In-body stabilizationYes
IBIS effectiveness4.5 stops

Body

Weight627 g
Dimensions (W×H×D mm)126.9 × 95.7 × 60.3 mm
Weather sealingYes

Battery

BatteryNP-FW50
Battery life (CIPA)310 shots

Storage

Card slots1
Card typesSD UHS-I

Viewfinder

Viewfinder typeOLED EVF
EVF resolution2,359,296 dots
EVF magnification0.78 ×
EVF refresh rate120 Hz

LCD

LCD size3 in
LCD typeVari-angle
TouchscreenYes

Connectivity

USBUSB-C 3.2 Gen 2
HDMIFull HDMI (Type A)
Wi-FiYes
Wi-Fi standardWi-Fi 5 (802.11ac)
BluetoothYes
Microphone jack (3.5mm)Yes
Headphone jack (3.5mm)Yes

Lens Mount

Lens mountSony E