• 35mm 847.3mm2
  • 12.1 megapixels
  • ISO 80 - 102,400
  • 35mm 864.0mm2
  • 24.1 megapixels
  • ISO 100 - 102,400

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Differences

Sony A7S III advantages over Canon R3

  • Slower slow-motion
    240 fps vs 120 fps
    Supports slower slow-mo
  • Bigger pixels
    ~ 8.40 vs 6.00 microns
    Better low-light and dynamic range (all else equal)
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Lighter weight
    614g vs 1015g
    Lighter weight
  • More viewfinder magnification
    0.90x vs 0.76x
    Get a bigger view of the scene through the eye-level viewfinder
  • Higher extended ISO
    409600 vs 204800 ISO
    Higher extended ISO can give more low-light flexibility

Canon R3 advantages over Sony A7S III

  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • Newer
    2 years vs 4 years old
    Newer cameras often support more advanced features
  • More dots on screen
    4150k vs 1440k dots
    Can mean greater resolution or a brighter screen
  • More pixels
    24.1 vs 12.1 megapixels
    Higher resolution photos

Similarities

Common Strengths

  • Tilt-swivel screen
    Both provide
    Tilt and swivel the screen for maximum shooting flexibility
  • Focus peaking
    Both provide
    Your camera will highlight what's in focus
  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • In-Camera Image Stabilization
    Both provide
    Reduces the effects of camera shake at slower shutter speeds
  • Shoot 4K video
    Both provide
    Make sure you have a fast computer
  • Touchscreen
    Both provide
    Interact with your camera just like your smartphone
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • Built-in Bluetooth
    Both provide
    Always-on wireless connectivity
  • External Mic Jack
    Both provide
    Improved sound fidelity when shooting video
  • HDMI out
    Both provide
    Use HDMI output to monitor or review video
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities
  • Dual card slots
    Both provide
    Gives you more storage flexibility
  • Headphone jack
    Both provide
    Monitor audio recording while you shoot video
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures
  • Slow-motion videos
    Both provide
    Shoot slow-motion videos

Common Weaknesses

  • Built-in GPS
    Neither provide
    Geotag your photos
  • Internal flash
    Neither provide
    Useful in a pinch for fill flash

User reviews

Buy From

Review Excerpt

The Competition

Compared to Sony A7S II

Sony A7S III
Sony A7S II
  • $3348
  • 35mm
  • Tilt-swivel screen
  • Slower slow-motion
  • $2398
  • 35mm
  • Less expensive
Canon R3
Sony A7S II
  • $5999
  • 35mm
  • Tilt-swivel screen
  • Touchscreen
  • $2398
  • 35mm
  • Bigger pixels
  • In-camera panoramas

Compared to Sony A9 II

Sony A7S III
Sony A9 II
  • $3348
  • 35mm
  • Less expensive
  • Tilt-swivel screen
  • $4498
  • 35mm
  • On-sensor phase detect
  • More pixels
Canon R3
Sony A9 II
  • $5999
  • 35mm
  • Tilt-swivel screen
  • Top deck display
  • $4498
  • 35mm
  • NFC
  • Lighter weight

Compared to Canon R6

Sony A7S III
Canon R6
  • $3348
  • 35mm
  • Slower slow-motion
  • Bigger pixels
  • $2149
  • 35mm
  • Less expensive
  • On-sensor phase detect
Canon R3
Canon R6
  • $5999
  • 35mm
  • Top deck display
  • Newer
  • $2149
  • 35mm
  • Lighter weight

Compared to Leica SL2-S

Sony A7S III
Leica SL2-S
  • $3348
  • 35mm
  • Tilt-swivel screen
  • Slower slow-motion
  • $4895
  • 35mm
  • High resolution composite
  • Top deck display
Canon R3
Leica SL2-S
  • $5999
  • 35mm
  • Tilt-swivel screen
  • On-sensor phase detect
  • $4895
  • 35mm
  • Less expensive
  • Slower slow-motion

Compared to Canon R5 C

Sony A7S III
Canon R5 C
  • $3348
  • 35mm
  • Slower slow-motion
  • Bigger pixels
  • $4499
  • 35mm
  • On-sensor phase detect
  • Top deck display
Canon R3
Canon R5 C
  • $5999
  • 35mm
  • Bigger pixels
  • More dots on screen
  • $4499
  • 35mm
  • Less expensive
  • Lighter weight
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