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Differences

Sony A7 advantages over Sony A7S

  • Less expensive
    $1398 vs $2198*
    Save money for lenses or accessories
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • More pixels
    24.3 vs 12.2 megapixels
    Higher resolution photos

Sony A7S advantages over Sony A7

  • Bigger pixels
    ~ 8.40 vs 5.97 microns
    Better low-light and dynamic range (all else equal)
  • Higher effective ISO
    3,702 vs 2,248 iso
    Take photos in low light with less noise
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Higher extended ISO
    409600 vs 51200 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
  • Tiltable Screen
    Both provide
    Tilt the screen for shooting flexbility
  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • In-camera panoramas
    Both provide
    Stitches multiple shots into a panoramic photo
  • NFC
    Both provide
    Simplifies pairing your camera with supported phones
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • External Mic Jack
    Both provide
    Improved sound fidelity when shooting video
  • Headphone jack
    Both provide
    Monitor audio recording while you shoot video
  • HDMI out
    Both provide
    Use an external screen 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

Common Weaknesses

  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • In-Camera Image Stabilization
    Neither provide
    Reduces the effects of camera shake at slower shutter speeds
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • Built-in GPS
    Neither provide
    Geotag your photos
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera
  • Dual card slots
    Neither provide
    Gives you more storage flexibility
  • Internal flash
    Neither provide
    Useful in a pinch for fill flash

User reviews

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Review Excerpt

  • Incredibly small body for a fully-featured, full-frame camera; Very high resolution; Hybrid autofocus is reasonably fast and confident; Significantly better burst-shooting performance than A7R; Excellent image quality even at very high sensitivities; Faster x-sync than A7R; Accepts existing Alpha-mount and E-mount lenses, and can optionally crop to APS-C image circle.

  • Grass-is-greener syndrome when compared to its higher-res sibling; Moderate performance; Loud shutter (but electronic first-curtain helps); Mediocre battery life when using electronic viewfinder; Weak low-light autofocus considering its price; Limited selection of native Sony FE lenses.

  • Outstanding high ISO performance; excellent dynamic range; 4K video recording (via uncompressed HDMI); XAVC S option for HD video; Slightly improved battery life over A7/A7R; Built-in Wi-Fi & NFC connectivity.

  • 4K video requires expensive external recorder; Sluggish startup time; Loud shutter; Silent Shooting mode hurts image quality; Lacks a built-in, pop-up flash; Limited selection of native Sony FE lenses.

The Competition

Compared to Sony A7R

Sony A7
Sony A7R
  • $1098
  • 35mm
  • Less expensive
  • Bigger pixels
  • $1898
  • 35mm
  • Higher effective ISO
  • More pixels
Sony A7S
Sony A7R
  • $2297
  • 35mm
  • Bigger pixels
  • Higher effective ISO
  • $1898
  • 35mm
  • Less expensive
  • More pixels

Compared to Leica M-E (Typ 220)

Sony A7
Leica M-E (Typ 220)
  • $1098
  • 35mm
  • Less expensive
  • Lens selection
  • $4913
  • 35mm
  • Bigger pixels
  • Thinner
Sony A7S
Leica M-E (Typ 220)
  • $2297
  • 35mm
  • Lens selection
  • Less expensive
  • $4913
  • 35mm
  • Thinner
  • More pixels

Compared to Sony A7 II

Sony A7
Sony A7 II
  • $1098
  • 35mm
  • Less expensive
  • $1727
  • 35mm
  • In-Camera Image Stabilization
  • Newer
Sony A7S
Sony A7 II
  • $2297
  • 35mm
  • Bigger pixels
  • Higher effective ISO
  • $1727
  • 35mm
  • In-Camera Image Stabilization
  • On-sensor phase detect

Compared to Sony A7S II

Sony A7
Sony A7S II
  • $1098
  • 35mm
  • Less expensive
  • Fast startup
  • $3114
  • 35mm
  • Bigger pixels
  • In-Camera Image Stabilization
Sony A7S
Sony A7S II
  • $2297
  • 35mm
  • Less expensive
  • Fast startup
  • $3114
  • 35mm
  • In-Camera Image Stabilization
  • Shoot 4K video

Compared to Sony A7R II

Sony A7
Sony A7R II
  • $1098
  • 35mm
  • Less expensive
  • Bigger pixels
  • $3314
  • 35mm
  • Fast startup
  • In-Camera Image Stabilization
Sony A7S
Sony A7R II
  • $2297
  • 35mm
  • Less expensive
  • Bigger pixels
  • $3314
  • 35mm
  • Fast startup
  • In-Camera Image Stabilization
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