• 35mm 861.6mm2
  • 42.4 megapixels
  • ISO 100 - 25,600
  • 4/3 226.2mm2
  • 20.4 megapixels
  • ISO 200 - 25,600

Buy From

Differences

Sony A7R II advantages over OM System OM-1

  • Larger sensor
    35mm vs 4/3
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 4.51 vs 3.36 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
  • More pixels
    42.4 vs 20.4 megapixels
    Higher resolution photos
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos

OM System OM-1 advantages over Sony A7R II

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • Tilt-swivel screen
    Tilt-swivel vs tilt-only
    Tilt and swivel the screen for maximum shooting flexibility
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • High resolution composite
    Yes vs No
    Combine multiple shots to form a super hi-res version
  • Newer
    3 years vs 9 years old
    Newer cameras often support more advanced features
  • Higher-res screen
    540k vs 307k pixels
    More detail on the screen lets you judge focus and composition
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Faster JPEG shooting
    120.0 fps vs 5.0 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    92 vs 23 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster shutter
    1/32000 vs 1/8000 sec
    Shoot wide open in bright light

Similarities

Common Strengths

  • 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
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • On-sensor phase detect
    Both provide
    Usually improves live view and video AF performance
  • 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
  • Headphone jack
    Both provide
    Monitor audio recording while you shoot video
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures

Common Weaknesses

  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • Built-in GPS
    Neither provide
    Geotag your photos
  • 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

Buy From

Your purchases support this site

Buy the Sony A7R II
Body Only
All A7R II Deals

Your purchases support this site

Buy the OM System OM-1

Review Excerpt

  • Superb image quality; Very high resolution; Surprisingly good high ISO performance; Fast autofocus; Compact, comfortable body with lots of customization potential; Bright, roomy and clear viewfinder; Tilting LCD display; Five-axis stabilization; Intuitive Wi-Fi / NFC connectivity

  • Movie button is poorly located; No touch screen; Not as fast to start up or shoot photos as a similarly-priced SLR; Rather slow buffer clearing; No built-in flash; Single card slot; Not weather-sealed to the same degree as some rivals

  • Read our Sony A7R II Review

The Competition

Compared to Sony A7R

Sony A7R II
Sony A7R
  • $2348
  • 35mm
  • In-Camera Image Stabilization
  • Shoot 4K video
  • $1399
  • 35mm
  • Less expensive
  • Lighter weight

Compare Sony A7R II vs Sony A7R

OM System OM-1
Sony A7R
  • $2200
  • 4/3
  • Tilt-swivel screen
  • Lens selection
  • $1399
  • 35mm
  • Larger sensor
  • Bigger pixels

Compare OM System OM-1 vs Sony A7R

Compared to Sony A9

Sony A7R II
Sony A9
  • $2348
  • 35mm
  • Less expensive
  • In-camera panoramas
  • $2995
  • 35mm
  • Bigger pixels
  • Touchscreen

Compare Sony A7R II vs Sony A9

OM System OM-1
Sony A9
  • $2200
  • 4/3
  • Lens selection
  • Tilt-swivel screen
  • $2995
  • 35mm
  • Larger sensor
  • Bigger pixels

Compare OM System OM-1 vs Sony A9

Compared to Sony A7R III

Sony A7R II
Sony A7R III
  • $2348
  • 35mm
  • In-camera panoramas
  • $2204
  • 35mm
  • Touchscreen
  • High resolution composite

Compare Sony A7R II vs Sony A7R III

OM System OM-1
Sony A7R III
  • $2200
  • 4/3
  • Lens selection
  • Tilt-swivel screen
  • $2204
  • 35mm
  • Larger sensor
  • Bigger pixels

Compare OM System OM-1 vs Sony A7R III

Compared to Panasonic G95

Sony A7R II
Panasonic G95
  • $2348
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $848
  • 4/3
  • Lens selection
  • Less expensive

Compare Sony A7R II vs Panasonic G95

OM System OM-1
Panasonic G95
  • $2200
  • 4/3
  • High resolution composite
  • On-sensor phase detect
  • $848
  • 4/3
  • In-camera panoramas
  • Built-in Bluetooth

Compare OM System OM-1 vs Panasonic G95

Compared to Olympus E-M1 Mark III

Sony A7R II
Olympus E-M1 Mark III
  • $2348
  • 35mm
  • Less expensive
  • Larger sensor
  • $1699
  • 4/3
  • Lens selection
  • Tilt-swivel screen

Compare Sony A7R II vs Olympus E-M1 Mark III

OM System OM-1
Olympus E-M1 Mark III
  • $2200
  • 4/3
  • Newer
  • Higher-res screen
  • $1699
  • 4/3

Compare OM System OM-1 vs Olympus E-M1 Mark III

Compare Other Cameras?