• APS-C 366.6mm2
  • 20.1 megapixels
  • ISO 100 - 16,000
  • 4/3 224.9mm2
  • 16.1 megapixels
  • ISO 200 - 25,600

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Differences

Sony A58 advantages over Olympus E-M5 II

  • Less expensive
    $598 vs $799*
    Save money for lenses or accessories
  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Longer stills battery life
    More info 700 vs 310 shots
    Capture more photos
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • More pixels
    20.1 vs 16.1 megapixels
    Higher resolution photos
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos

Olympus E-M5 II advantages over Sony A58

  • Tilt-swivel screen
    Tilt-swivel vs tilt-only
    Tilt and swivel the screen for maximum shooting flexibility
  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • 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
  • Fast startup
    ~0.80 vs 1.9 sec
    Faster startup lets you catch the moment
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • Higher effective ISO
    908 vs 753 iso
    Take photos in low light with less noise
  • Thinner
    44 mm vs 77 mm
    Thinner
  • Higher max flash sync
    1/250 vs 1/160 sec
    Reduce the effect of ambient light in flash shots
  • Newer
    4 years vs 6 years old
    Newer cameras often support more advanced features
  • Higher-res screen
    346k vs 154k pixels
    More detail on the screen lets you judge focus and composition
  • More viewfinder magnification
    0.74x vs 0.57x
    Get a bigger view of the scene through the eye-level viewfinder
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Faster JPEG shooting
    10.4 fps vs 4.9 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    18 vs 8 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster RAW shooting
    10.4 fps vs 4.8 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    13 vs 6 shots
    Larger buffer for RAW shots (burst mode)
  • Faster shutter
    1/16000 vs 1/4000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    25600 vs 16000 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
  • 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
  • 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

Common Weaknesses

  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • Built-in GPS
    Neither provide
    Geotag your photos
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • 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
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

Buy From

Review Excerpt

  • Improved 20.1-megapixel resolution; Impressive image quality, especially for its price; Fast and decisive autofocus (in most conditions); Very good battery life; Good video quality (Full HD 1080p, though it doesn't support 60p frame rate).

  • Plastic lens mount; Slower burst mode speeds and shallower buffer than A57; LCD no longer fully articulating; Mediocre kit lens; Electronic instead of an optical viewfinder may be a turnoff for some.

  • Excellent handling in a compact, weather-sealed body; Crisp, roomy electronic viewfinder; Image quality that can take the fight to APS-C DSLRs; Unique high-res mode lets it bat far above its weight for static scenes; Extremely fast 10 fps burst shooting, Excellent video feature set

  • Control dials are easily bumped; Below-average battery life at default settings; Buffer depths for raw shooters are a bit limited; 16-megapixel sensor resolution feels dated; Weak bundled flash strobe

The Competition

Compared to Pentax K-5 IIs

Sony A58
Pentax K-5 IIs
  • $598
  • APS-C
  • Focus peaking
  • In-camera panoramas
  • $623
  • APS-C
  • Lens selection
  • Less expensive
Olympus E-M5 II
Pentax K-5 IIs
  • $799
  • 4/3
  • Tilt-swivel screen
  • Focus peaking
  • $623
  • APS-C
  • Less expensive
  • Larger sensor

Compared to Nikon D5200

Sony A58
Nikon D5200
  • $598
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $527
  • APS-C
  • Lens selection
  • Less expensive
Olympus E-M5 II
Nikon D5200
  • $799
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization
  • $527
  • APS-C
  • Less expensive
  • Larger sensor

Compared to Canon T5i

Sony A58
Canon T5i
  • $598
  • APS-C
  • Focus peaking
  • Larger sensor
  • $539
  • APS-C
  • Lens selection
  • Tilt-swivel screen
Olympus E-M5 II
Canon T5i
  • $799
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization
  • $539
  • APS-C
  • Less expensive
  • Larger sensor

Compared to Olympus E-M10 II

Sony A58
Olympus E-M10 II
  • $598
  • APS-C
  • Larger sensor
  • In-camera panoramas
  • $442
  • 4/3
  • Lens selection
  • Less expensive
Olympus E-M5 II
Olympus E-M10 II
  • $799
  • 4/3
  • Tilt-swivel screen
  • High resolution composite
  • $442
  • 4/3
  • Less expensive
  • Internal flash

Compared to Panasonic GX85

Sony A58
Panasonic GX85
  • $598
  • APS-C
  • Larger sensor
  • Higher effective ISO
  • $598
  • 4/3
  • Lens selection
  • Less expensive
Olympus E-M5 II
Panasonic GX85
  • $799
  • 4/3
  • Tilt-swivel screen
  • High resolution composite
  • $598
  • 4/3
  • Less expensive
  • Shoot 4K video
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