• 35mm 861.6mm2
  • 36.4 megapixels
  • ISO 100 - 25600
  • 35mm 847.3mm2
  • 12.2 megapixels
  • ISO 100 - 102400

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Advantages

Sony A7R over Sony A7S

  • More pixels
    36.4 vs 12.2 megapixels
    Higher resolution photos
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos

Sony A7S over Sony A7R

  • Bigger pixels
    ~ 8.40 vs 4.88 microns
    Better low-light and dynamic range (all else equal)
  • Higher max flash sync
    1/250 vs 1/160 sec
    Reduce the effect of ambient light in flash shots
  • Less shutter lag
    0.178 vs 0.359 sec
    Focus and take a photo quickly (wide angle)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos and video
  • Faster JPEG shooting
    1.9 fps vs 1.2 fps
    Faster JPEG shooting (single-shot mode)
  • Higher extended ISO
    409600 vs 51200 ISO
    Higher extended ISO can give more low-light flexibility

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Review Excerpt

  • Incredibly small body for a fully-featured, full-frame camera; Resolution that rivals a medium-format camera; Excellent image quality even at very high sensitivities; Decent performance bearing in mind its extremely high resolution; Accepts existing Alpha-mount and E-mount lenses, and can optionally crop to APS-C image circle.

  • Extreme resolution makes focus and lens quality critical; Modest performance; Loud shutter; Lacks hybrid autofocus of the A7; Mediocre battery life when using electronic viewfinder; Slow X-sync; 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 A7

Sony A7R
Sony A7
  • $2098
  • 35mm
  • More pixels
  • Lighter weight
  • $1298
  • 35mm
  • Bigger pixels
  • On-sensor phase detect
Sony A7S
Sony A7
  • $2498
  • 35mm
  • Bigger pixels
  • Lighter weight
  • $1298
  • 35mm
  • On-sensor phase detect
  • More pixels
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