• 1 inch 115.3mm2
  • 14.2 megapixels
  • ISO 200 - 12,800
  • 4/3 226.2mm2
  • 20.4 megapixels
  • ISO 200 - 6400

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Differences

Nikon S2 advantages over Olympus E-M5 III

  • Slower slow-motion
    1200 fps vs 120 fps
    Supports slower slow-mo
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Thinner
    29 mm vs 49 mm
    Thinner
  • Lighter weight
    190g vs 414g
    Lighter weight
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos
  • Faster JPEG shooting
    60.0 fps vs 30.0 fps
    Faster JPEG shooting (burst mode)

Olympus E-M5 III advantages over Nikon S2

  • Lens selection
    Excellent vs Limited
    Better lens selection gives you more options
  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Larger sensor
    4/3 vs 1 inch
    More sensor area. Bigger is (generally) better.
  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • Eye-level viewfinder
    Eye-level vs Rear display only
    You'll be able to frame photos even when the sun is out
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Bigger pixels
    ~ 3.36 vs 2.85 microns
    Better low-light and dynamic range (all else equal)
  • Shoot 4K video
    4K (DCI) vs 1080p
    Make sure you have a fast computer
  • 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
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Higher max flash sync
    1/250 vs 1/60 sec
    Reduce the effect of ambient light in flash shots
  • Newer
    4 years vs 10 years old
    Newer cameras often support more advanced features
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • Higher-res screen
    346k vs 154k pixels
    More detail on the screen lets you judge focus and composition
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities
  • More pixels
    20.4 vs 14.2 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 shutter
    1/32000 vs 1/16000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    25600 vs 12800 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • On-sensor phase detect
    Both provide
    Usually improves live view and video AF performance
  • HDMI out
    Both provide
    Use HDMI output to monitor or review video
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures
  • Slow-motion videos
    Both provide
    Shoot slow-motion videos

Common Weaknesses

  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • Built-in GPS
    Neither provide
    Geotag your photos
  • 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

User reviews

Buy From

Your purchases support this site

Buy the Nikon S2

Your purchases support this site

Buy the Olympus E-M5 III

Review Excerpt

  • Improved image quality; Very good dynamic range & high ISO performance for a modern MFT sensor; Very fast AF; Excellent image stabilization; 4K video recording; Weather-sealed build quality.

  • Below average battery life; Small size can be awkward with long, heavy lenses; One SD card slot.

The Competition

Compared to Pentax Q7

Nikon S2
Pentax Q7
  • $399
  • 1 inch
  • Larger sensor
  • Bigger pixels
  • $380
  • 1/1.7 inch
  • Focus peaking
  • In-Camera Image Stabilization
Olympus E-M5 III
Pentax Q7
  • $924
  • 4/3
  • Lens selection
  • Larger sensor
  • $380
  • 1/1.7 inch
  • Internal flash
  • Thinner

Compared to Samsung NX Mini

Nikon S2
Samsung NX Mini
  • $399
  • 1 inch
  • Less expensive
  • Bigger pixels
  • $600
  • 1 inch
  • Touchscreen
  • Tiltable Screen
Olympus E-M5 III
Samsung NX Mini
  • $924
  • 4/3
  • Focus peaking
  • Larger sensor
  • $600
  • 1 inch
  • In-camera panoramas
  • NFC

Compared to Pentax Q-S1

Nikon S2
Pentax Q-S1
  • $399
  • 1 inch
  • Larger sensor
  • Bigger pixels
  • $350
  • 1/1.7 inch
  • Focus peaking
  • In-Camera Image Stabilization
Olympus E-M5 III
Pentax Q-S1
  • $924
  • 4/3
  • Lens selection
  • Larger sensor
  • $350
  • 1/1.7 inch
  • Internal flash
  • Thinner

Compared to Panasonic G100

Nikon S2
Panasonic G100
  • $399
  • 1 inch
  • Slower slow-motion
  • On-sensor phase detect
  • $631
  • 4/3
  • Tilt-swivel screen
  • Lens selection
Olympus E-M5 III
Panasonic G100
  • $924
  • 4/3
  • In-Camera Image Stabilization
  • High resolution composite
  • $631
  • 4/3
  • Less expensive
  • In-camera panoramas

Compared to Olympus E-M10 IV

Nikon S2
Olympus E-M10 IV
  • $399
  • 1 inch
  • Slower slow-motion
  • In-camera panoramas
  • $649
  • 4/3
  • Lens selection
  • Focus peaking
Olympus E-M5 III
Olympus E-M10 IV
  • $924
  • 4/3
  • Tilt-swivel screen
  • High resolution composite
  • $649
  • 4/3
  • Less expensive
  • Longer video battery life
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