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Sony

Alpha 7R III

42MP workhorse for landscape and studio before the A7R IV/V era.

$3,199

Last updated May 2026

Key specs at a glance

Resolution

42.4 MP

Sensor

Full Frame

ISO max

32,000

Burst

10 fps

4K

30 fps

IBIS

5.5-stop

Weight

657 g

Battery

650 shots

Sensor size

Sony Alpha 7R III

35.9 × 24 mm · Full Frame

862 mm² area

Lens ecosystem

Sony E mount

80

First-party

270

Third-party

350+

Total available

Mount introduced 2010

Body size

Sony Alpha 7R III

127 × 96 × 74 mm

657 g (1.45 lb / 23.18 oz)

127 × 96 × 74 mm · 657 g (1.45 lb / 23.18 oz)

Best for

Use-case scores

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

Portrait

Excellent
8.5/ 10
  • · 42.4MP — excellent for large prints and crops
  • · Full-frame sensor — shallow depth of field for subject isolation

Sports & Action

Limited
3.5/ 10
  • · 10fps burst — solid for most action
  • · Weather sealed for outdoor sports

Video & Hybrid

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

Landscape

Excellent
8.5/ 10
  • · 42.4MP — excellent for prints up to 24×36"
  • · Full-frame sensor — wider dynamic range

Travel

Good
6.5/ 10
  • · 657g — manageable for travel
  • · 650 shots/charge — all-day shooting

Wildlife

Fair
4.5/ 10
  • · Animal subject recognition
  • · Weather sealed for field conditions

Vlogging

Fair
4.5/ 10
  • · IBIS reduces handheld shake
  • · Eye AF locks on you while filming

Pros

  • 42MP proven
  • 10fps with AF
  • Dual slots
  • Great used value

Cons

  • Superseded
  • No 8K
  • Older AF

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Full specifications

Verified specs · Sony Alpha 7R III

Sensor

Resolution42.4 MP
Sensor typeFull Frame Exmor R CMOS
Sensor size35.9 × 24.0 mm
AA filterYes

Processor

ProcessorBIONZ X

ISO

ISO min (native)100
ISO max (native)32,000
ISO max (expanded)102,400

Shutter

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

Autofocus

AF systemFast Hybrid AF (phase-detection / contrast-detection)
AF points / zones399
AF frame coverage94 %
AF low-light limit-3 EV
Eye AFYes
Animal / bird AFYes
Subject recognitionHuman, Animal

Burst

Burst (mechanical)10 fps
Burst (electronic)10 fps
Pre-Capture / Pre-ReleaseNo
RAW buffer depth120 frames

Video

Max resolution4K UHD
4K max frame rate30 fps
Max video bit rate150 Mbps
Internal RAW videoNo
Log profileS-Log2 / S-Log3 / HLG
CodecsXAVC S, AVCHD, H.264

Stabilization

In-body stabilizationYes
IBIS effectiveness5.5 stops

Body

Weight657 g
Dimensions (W×H×D mm)126.9 × 95.6 × 73.7 mm
Weather sealingYes

Battery

BatteryNP-FZ100
Battery life (CIPA)650 shots

Storage

Card slots2
Card typesSD UHS-II, SD UHS-I

Viewfinder

Viewfinder typeOLED EVF
EVF resolution3,686,400 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