• APS-C 372.9mm2
  • 12.3 megapixels
  • ISO 200 - 3200
  • 4/3 224.9mm2
  • 16.1 megapixels
  • ISO 200 - 25,600

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Differences

Nikon D5000 advantages over Olympus E-M5

  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 5.50 vs 3.75 microns
    Better low-light and dynamic range (all else equal)
  • Fast startup
    ~0.40 vs 1.1 sec
    Faster startup lets you catch the moment
  • Longer stills battery life
    More info 510 vs 360 shots
    Capture more photos
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • Bigger JPEG buffer
    100 vs 17 shots
    Take more JPEG shots before waiting (burst mode)

Olympus E-M5 advantages over Nikon D5000

  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • More telephoto lens reach
    100 mm vs 84 mm
    Capture objects farther away with the kit lens
  • Thinner
    43 mm vs 80 mm
    Thinner
  • More dots on screen
    614k vs 230k dots
    Can mean greater resolution or a brighter screen
  • More viewfinder magnification
    0.58x vs 0.52x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    16.1 vs 12.3 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Wider angle kit lens
    24 mm vs 28 mm
    Capture more of the scene with the included lens
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Faster JPEG shooting
    8.9 fps vs 4.0 fps
    Faster JPEG shooting (burst mode)
  • Faster RAW shooting
    9.0 fps vs 4.0 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    16 vs 10 shots
    Larger buffer for RAW shots (burst mode)
  • Higher extended ISO
    25600 vs 6400 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • Tiltable Screen
    Both provide
    Tilt the screen for shooting flexbility
  • 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

  • Focus peaking
    Neither provide
    Your camera will highlight what's in focus
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • Built-in Wi-Fi
    Neither provide
    Share your photos wirelessly
  • 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
  • External Mic Jack
    Neither provide
    Improved sound fidelity when shooting video
  • 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

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Buy the Nikon D5000

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Buy the Olympus E-M5
Body Only
  • Body Only
  • Kit with 14-42mm Lens
All E-M5 Deals

Review Excerpt

  • Attractive body design; Well-built, weather-sealed body; Excellent image quality; Excellent image stabilization; Very fast autofocus.

  • Exposure compensation dial changes easily; Small buttons; No in-camera chromatic aberration correction; Bundled flash is weak; Video compression artifacts with rapidly-moving subjects.

  • Read our Olympus E-M5 Review

The Competition

Compared to Olympus E-M1

Nikon D5000
Olympus E-M1
  • $850
  • APS-C
  • Larger sensor
  • Less expensive
  • $1099
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization

Compare Nikon D5000 vs Olympus E-M1

Olympus E-M5
Olympus E-M1
  • $900
  • 4/3
  • Thinner
  • Shoots 60p video
  • $1099
  • 4/3
  • Focus peaking
  • Fast startup

Compare Olympus E-M5 vs Olympus E-M1

Compared to Sony DSLR-A350

Nikon D5000
Sony DSLR-A350
  • $850
  • APS-C
  • Lens selection
  • Fast startup
  • $900
  • APS-C
  • In-Camera Image Stabilization
  • Longer stills battery life

Compare Nikon D5000 vs Sony DSLR-A350

Olympus E-M5
Sony DSLR-A350
  • $900
  • 4/3
  • Lens selection
  • Touchscreen
  • $900
  • APS-C
  • Larger sensor
  • Bigger pixels

Compare Olympus E-M5 vs Sony DSLR-A350

Compared to Sony DSLR-A300

Nikon D5000
Sony DSLR-A300
  • $850
  • APS-C
  • Lens selection
  • Higher effective ISO
  • $563
  • APS-C
  • In-Camera Image Stabilization
  • Longer stills battery life

Compare Nikon D5000 vs Sony DSLR-A300

Olympus E-M5
Sony DSLR-A300
  • $900
  • 4/3
  • Lens selection
  • Touchscreen
  • $563
  • APS-C
  • Larger sensor
  • Bigger pixels

Compare Olympus E-M5 vs Sony DSLR-A300

Compared to Sony DSLR-A390

Nikon D5000
Sony DSLR-A390
  • $850
  • APS-C
  • Lens selection
  • Higher effective ISO
  • $507
  • APS-C
  • Less expensive
  • In-Camera Image Stabilization

Compare Nikon D5000 vs Sony DSLR-A390

Olympus E-M5
Sony DSLR-A390
  • $900
  • 4/3
  • Lens selection
  • Touchscreen
  • $507
  • APS-C
  • Larger sensor
  • Bigger pixels

Compare Olympus E-M5 vs Sony DSLR-A390

Compared to Panasonic G3

Nikon D5000
Panasonic G3
  • $850
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $700
  • 4/3
  • Less expensive
  • Touchscreen

Compare Nikon D5000 vs Panasonic G3

Olympus E-M5
Panasonic G3
  • $900
  • 4/3
  • In-Camera Image Stabilization
  • Higher effective ISO
  • $700
  • 4/3
  • Internal flash
  • More viewfinder magnification

Compare Olympus E-M5 vs Panasonic G3

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