• 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-M10

  • 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 1.3 sec
    Faster startup lets you catch the moment
  • Longer stills battery life
    More info 510 vs 320 shots
    Capture more photos
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos
  • Bigger JPEG buffer
    100 vs 19 shots
    Take more JPEG shots before waiting (burst mode)

Olympus E-M10 advantages over Nikon D5000

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • 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
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • Thinner
    45 mm vs 80 mm
    Thinner
  • Newer
    11 years vs 16 years old
    Newer cameras often support more advanced features
  • More dots on screen
    1037k vs 230k dots
    Can mean greater resolution or a brighter screen
  • Shoots 1080p video
    Yes vs No
    You'll want this if you shoot video
  • 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
  • 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
    8.1 fps vs 4.0 fps
    Faster JPEG shooting (burst mode)
  • Faster RAW shooting
    8.1 fps vs 4.0 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    15 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
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • 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

  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • 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 Olympus E-M10
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  • Body Only
  • Kit with 14-42mm Lens
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Review Excerpt

  • Great image quality especially from RAW files; Excellent dynamic range for a Four Thirds sensor; Very good high ISO performance; Realistic colors and excellent hue accuracy; Built-in Wi-Fi with remote control and sharing features; Improved HD video; Lightweight and very portable; Built-in pop-up flash; Minimal EVF lag time.

  • Contrast-Detect AF struggles with small and low-contrast subjects; Mediocre battery life; No external microphone or headphone jack; Mediocre burst speed with continuous AF; No weather sealing; Heavy-handed high ISO noise reduction.

  • Read our Olympus E-M10 Review

The Competition

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-M10
Sony DSLR-A350
  • $399
  • 4/3
  • Lens selection
  • Focus peaking
  • $900
  • APS-C
  • Larger sensor
  • Bigger pixels

Compare Olympus E-M10 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-M10
Sony DSLR-A300
  • $399
  • 4/3
  • Lens selection
  • Focus peaking
  • $563
  • APS-C
  • Larger sensor
  • Bigger pixels

Compare Olympus E-M10 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-M10
Sony DSLR-A390
  • $399
  • 4/3
  • Lens selection
  • Focus peaking
  • $507
  • APS-C
  • Less expensive
  • Larger sensor

Compare Olympus E-M10 vs Sony DSLR-A390

Compared to Panasonic GX7

Nikon D5000
Panasonic GX7
  • $850
  • APS-C
  • Less expensive
  • Larger sensor
  • $648
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization

Compare Nikon D5000 vs Panasonic GX7

Olympus E-M10
Panasonic GX7
  • $399
  • 4/3
  • Less expensive
  • Higher effective ISO
  • $648
  • 4/3
  • In-camera panoramas
  • Fast startup

Compare Olympus E-M10 vs Panasonic GX7

Compared to Olympus E-M10 II

Nikon D5000
Olympus E-M10 II
  • $850
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $349
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization

Compare Nikon D5000 vs Olympus E-M10 II

Olympus E-M10
Olympus E-M10 II
  • $399
  • 4/3
  • $349
  • 4/3
  • Fast startup
  • Shoots 24p video

Compare Olympus E-M10 vs Olympus E-M10 II

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