• 35mm 858.0mm2
  • 24.6 megapixels
  • ISO 100 - 25,600
  • 35mm 847.3mm2
  • 12.1 megapixels
  • ISO 80 - 102,400

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Differences

Sigma fp advantages over Sony A7S III

  • Less expensive
    $1599 vs $3198*
    Save money for lenses or accessories
  • Thinner
    45 mm vs 69 mm
    Thinner
  • Lighter weight
    422g vs 614g
    Lighter weight
  • More dots on screen
    2100k vs 1440k dots
    Can mean greater resolution or a brighter screen
  • More pixels
    24.6 vs 12.1 megapixels
    Higher resolution photos

Sony A7S III advantages over Sigma fp

  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • Slower slow-motion
    240 fps vs 120 fps
    Supports slower slow-mo
  • Eye-level viewfinder
    Eye-level vs Rear display only
    You'll be able to frame photos even when the sun is out
  • Bigger pixels
    ~ 8.40 vs 5.98 microns
    Better low-light and dynamic range (all else equal)
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • Higher max flash sync
    1/250 vs 1/30 sec
    Reduce the effect of ambient light in flash shots
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Higher extended ISO
    409600 vs 102400 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • Focus peaking
    Both provide
    Your camera will highlight what's in focus
  • 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
  • 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
  • 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
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • Internal flash
    Neither provide
    Useful in a pinch for fill flash
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera

User reviews

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  • Body Only
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Review Excerpt

The Competition

Compared to Canon EOS RP

Sigma fp
Canon EOS RP
  • $1699
  • 35mm
  • Focus peaking
  • Less expensive
  • $949
  • 35mm
  • Tilt-swivel screen
  • Eye-level viewfinder

Compare Sigma fp vs Canon EOS RP

Sony A7S III
Canon EOS RP
  • $3348
  • 35mm
  • Focus peaking
  • In-Camera Image Stabilization
  • $949
  • 35mm
  • Less expensive
  • On-sensor phase detect

Compare Sony A7S III vs Canon EOS RP

Compared to Sony A9 II

Sigma fp
Sony A9 II
  • $1699
  • 35mm
  • Less expensive
  • Thinner
  • $4498
  • 35mm
  • Eye-level viewfinder
  • Tiltable Screen

Compare Sigma fp vs Sony A9 II

Sony A7S III
Sony A9 II
  • $3348
  • 35mm
  • Less expensive
  • Tilt-swivel screen
  • $4498
  • 35mm
  • On-sensor phase detect
  • More pixels

Compare Sony A7S III vs Sony A9 II

Compared to Canon R6

Sigma fp
Canon R6
  • $1699
  • 35mm
  • Less expensive
  • Thinner
  • $2149
  • 35mm
  • Tilt-swivel screen
  • Eye-level viewfinder

Compare Sigma fp vs Canon R6

Sony A7S III
Canon R6
  • $3348
  • 35mm
  • Slower slow-motion
  • Bigger pixels
  • $2149
  • 35mm
  • Less expensive
  • On-sensor phase detect

Compare Sony A7S III vs Canon R6

Compared to Sony A7C

Sigma fp
Sony A7C
  • $1699
  • 35mm
  • Thinner
  • More dots on screen
  • $1598
  • 35mm
  • Tilt-swivel screen
  • Eye-level viewfinder

Compare Sigma fp vs Sony A7C

Sony A7S III
Sony A7C
  • $3348
  • 35mm
  • Slower slow-motion
  • Bigger pixels
  • $1598
  • 35mm
  • Less expensive
  • On-sensor phase detect

Compare Sony A7S III vs Sony A7C

Compared to Sigma fp L

Sigma fp
Sigma fp L
  • $1699
  • 35mm
  • Bigger pixels
  • Higher max flash sync
  • $2499
  • 35mm
  • More pixels
  • Has anti-aliasing filter

Compare Sigma fp vs Sigma fp L

Sony A7S III
Sigma fp L
  • $3348
  • 35mm
  • Tilt-swivel screen
  • Slower slow-motion
  • $2499
  • 35mm
  • Thinner
  • Lighter weight

Compare Sony A7S III vs Sigma fp L

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