• APS-C 372.9mm2
  • 12.3 megapixels
  • ISO 200 - 3200
  • 4/3 226.2mm2
  • 16.1 megapixels
  • ISO 200 - 25,600

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Differences

Nikon D90 advantages over Olympus E-M10 III

  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 5.50 vs 3.78 microns
    Better low-light and dynamic range (all else equal)
  • Fast startup
    ~0.30 vs 1.0 sec
    Faster startup lets you catch the moment
  • Longer stills battery life
    More info 850 vs 330 shots
    Capture more photos
  • More telephoto lens reach
    158 mm vs 84 mm
    Capture objects farther away with the kit lens
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos

Olympus E-M10 III advantages over Nikon D90

  • 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
  • Shoot 4K video
    4K (UHD) vs 720p
    Make sure you have a fast computer
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • Thinner
    49 mm vs 77 mm
    Thinner
  • Newer
    13 months vs 10 years old
    Newer cameras often support more advanced features
  • Lighter weight
    503g vs 1133g
    Lighter weight
  • Shoots 1080p video
    Yes vs No
    You'll want this if you shoot video
  • Less shutter lag
    0.14 vs 0.21 sec
    Focus and take a photo quickly (wide angle)
  • 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
  • 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
    8.6 fps vs 4.5 fps
    Faster JPEG shooting (burst mode)
  • Faster RAW shooting
    8.6 fps vs 4.1 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    33 vs 10 shots
    Larger buffer for RAW shots (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Faster shutter
    1/16000 vs 1/4000 sec
    Shoot wide open in bright light
  • 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
  • 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

  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • 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
  • 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

User reviews

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Buy the Olympus E-M10 III

Review Excerpt

  • Superbly-built, comfortable and compact body; Pairs beautifully with pancake kit lens; Excellent image quality; Excellent performance in most respects; Great single-shot autofocus; Really nice viewfinder and touch-screen display; Friendlier user interface courts amateurs.

  • Some controls are a bit small and tightly-packed; Hand grips are still a bit modestly-sized for larger lenses; Continuous and video autofocus just isn't up to snuff; New user interface can feel limiting to advanced photographers; Underwhelming battery life.

The Competition

Compared to Nikon D300S

Nikon D90
Nikon D300S
  • $1300
  • APS-C
  • Higher effective ISO
  • Bigger JPEG buffer
  • $1299
  • APS-C
  • External Mic Jack
  • More cross-type AF points
Olympus E-M10 III
Nikon D300S
  • $499
  • 4/3
  • Focus peaking
  • Less expensive
  • $1299
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Sony DSLR-A550

Nikon D90
Sony DSLR-A550
  • $1300
  • APS-C
  • Lens selection
  • Fast startup
  • $859
  • APS-C
  • Less expensive
  • In-Camera Image Stabilization
Olympus E-M10 III
Sony DSLR-A550
  • $499
  • 4/3
  • Lens selection
  • Focus peaking
  • $859
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Sony DSLR-A500

Nikon D90
Sony DSLR-A500
  • $1300
  • APS-C
  • Lens selection
  • Fast startup
  • $850
  • APS-C
  • Less expensive
  • In-Camera Image Stabilization
Olympus E-M10 III
Sony DSLR-A500
  • $499
  • 4/3
  • Lens selection
  • Focus peaking
  • $850
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Olympus E-M10 II

Nikon D90
Olympus E-M10 II
  • $1300
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $442
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization
Olympus E-M10 III
Olympus E-M10 II
  • $499
  • 4/3
  • Shoot 4K video
  • Newer
  • $442
  • 4/3
  • Less expensive

Compared to Panasonic GX85

Nikon D90
Panasonic GX85
  • $1300
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $565
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization
Olympus E-M10 III
Panasonic GX85
  • $499
  • 4/3
  • More telephoto lens reach
  • Higher max flash sync
  • $565
  • 4/3
  • Less expensive
  • In-camera panoramas
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