• 4/3 224.9mm2
  • 12.3 megapixels
  • ISO 200 - 12,800
  • 1 inch 115.3mm2
  • 14.2 megapixels
  • ISO 200 - 12,800

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Differences

Olympus E-P3 advantages over Nikon S2

  • Lens selection
    Excellent vs Limited
    Better lens selection gives you more options
  • Larger sensor
    4/3 vs 1 inch
    More sensor area. Bigger is (generally) better.
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Bigger pixels
    ~ 4.29 vs 2.85 microns
    Better low-light and dynamic range (all else equal)
  • Longer stills battery life
    More info 330 vs 270 shots
    Capture more photos
  • Higher max flash sync
    1/180 vs 1/60 sec
    Reduce the effect of ambient light in flash shots
  • More dots on screen
    614k vs 461k dots
    Can mean greater resolution or a brighter screen
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots

Nikon S2 advantages over Olympus E-P3

  • Less expensive
    $450 vs $900 (MSRP)
    Save money for lenses or accessories
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Shoots 1080p video
    Yes vs No
    You'll want this if you shoot video
  • More pixels
    14.2 vs 12.3 megapixels
    Higher resolution photos
  • Faster JPEG shooting
    60.0 fps vs 3.1 fps
    Faster JPEG shooting (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

Similarities

Common Strengths

  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • HDMI out
    Both provide
    Use HDMI output to monitor or review video
  • 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
  • Focus peaking
    Neither provide
    Your camera will highlight what's in focus
  • Eye-level viewfinder
    Neither provide
    You'll be able to frame photos even when the sun is out
  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • Tiltable Screen
    Neither provide
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Neither provide
    Share your photos wirelessly
  • 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
  • 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

User reviews

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Buy the Nikon S2

Review Excerpt

  • Extremely fast autofocus; Pop-up flash and AF-assist lamp; Full HD recording; wisely limited focus for touchscreen; excellent print quality results; removable grip.

  • Larger than some competitors (see E-PL3 if you prefer a smaller camera); strong noise suppression; touchscreen easily activated by mistake; list of options is overwhelming; shoulder strap D-rings are noisy.

The Competition

Compared to Olympus E-P2

Olympus E-P3
Olympus E-P2
  • $561
  • 4/3
  • Less expensive
  • Fast startup
  • $1100
  • 4/3
  • Eye-level viewfinder
Nikon S2
Olympus E-P2
  • $399
  • 1 inch
  • Less expensive
  • In-camera panoramas
  • $1100
  • 4/3
  • Lens selection
  • Larger sensor

Compared to Olympus E-PL2

Olympus E-P3
Olympus E-PL2
  • $561
  • 4/3
  • Fast startup
  • More dots on screen
  • $600
  • 4/3
  • Less expensive
Nikon S2
Olympus E-PL2
  • $399
  • 1 inch
  • Less expensive
  • In-camera panoramas
  • $600
  • 4/3
  • Lens selection
  • Larger sensor

Compared to Olympus E-PL3

Olympus E-P3
Olympus E-PL3
  • $561
  • 4/3
  • Fast startup
  • Internal flash
  • $700
  • 4/3
  • Less expensive
  • Tiltable Screen
Nikon S2
Olympus E-PL3
  • $399
  • 1 inch
  • Less expensive
  • In-camera panoramas
  • $700
  • 4/3
  • Lens selection
  • Larger sensor

Compared to Pentax Q7

Olympus E-P3
Pentax Q7
  • $561
  • 4/3
  • Lens selection
  • Larger sensor
  • $380
  • 1/1.7 inch
  • Less expensive
  • Focus peaking
Nikon S2
Pentax Q7
  • $399
  • 1 inch
  • Larger sensor
  • Bigger pixels
  • $380
  • 1/1.7 inch
  • Focus peaking
  • In-Camera Image Stabilization

Compared to Pentax Q-S1

Olympus E-P3
Pentax Q-S1
  • $561
  • 4/3
  • Lens selection
  • Larger sensor
  • $350
  • 1/1.7 inch
  • Less expensive
  • Focus peaking
Nikon S2
Pentax Q-S1
  • $399
  • 1 inch
  • Larger sensor
  • Bigger pixels
  • $350
  • 1/1.7 inch
  • Focus peaking
  • In-Camera Image Stabilization
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