• APS-C 369.7mm2
  • 16.1 megapixels
  •  
  • 4/3 226.2mm2
  • 20.4 megapixels
  • ISO 200 - 25,600

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Differences

Sony NEX-5N advantages over Olympus E-M1 Mark III

  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 4.82 vs 3.36 microns
    Better low-light and dynamic range (all else equal)
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Thinner
    38 mm vs 68 mm
    Thinner
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos

Olympus E-M1 Mark III advantages over Sony NEX-5N

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Tilt-swivel screen
    Tilt-swivel vs tilt-only
    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
  • 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
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Higher max flash sync
    1/250 vs 1/160 sec
    Reduce the effect of ambient light in flash shots
  • Newer
    5 years vs 13 years old
    Newer cameras often support more advanced features
  • More pixels
    20.4 vs 16.1 megapixels
    Higher resolution photos
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • 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 1/4000 sec
    Shoot wide open in bright light

Similarities

Common Strengths

  • 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

  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • Built-in GPS
    Neither provide
    Geotag your photos
  • Internal flash
    Neither provide
    Useful in a pinch for fill flash
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

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Buy the Olympus E-M1 Mark III

Review Excerpt

  • Fast autofocus and prefocused shutter lag; Quieter shutter sound; Captures 10 frames per second; Supports AVCHD 2.0.

  • Limited first-party lens selection; Slow and confusing on-screen user interface; top-mounted, proprietary accessories are quite pricey.

The Competition

Compared to Sony NEX-3

Sony NEX-5N
Sony NEX-3
  • $700
  • APS-C
  • Higher effective ISO
  • Longer stills battery life
  • $600
  • APS-C
  • Less expensive
  • Fast startup
Olympus E-M1 Mark III
Sony NEX-3
  • $1649
  • 4/3
  • Lens selection
  • Focus peaking
  • $600
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Sony NEX-C3

Sony NEX-5N
Sony NEX-C3
  • $700
  • APS-C
  • Shoots 24p video
  • Shoots 1080p video
  • $559
  • APS-C
  • Less expensive
  • Fast startup
Olympus E-M1 Mark III
Sony NEX-C3
  • $1649
  • 4/3
  • Lens selection
  • Focus peaking
  • $559
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Sony NEX-5R

Sony NEX-5N
Sony NEX-5R
  • $700
  • APS-C
  • Higher effective ISO
  • Longer stills battery life
  • $499
  • APS-C
  • Focus peaking
  • Touchscreen
Olympus E-M1 Mark III
Sony NEX-5R
  • $1649
  • 4/3
  • Lens selection
  • Tilt-swivel screen
  • $499
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Olympus E-M1 II

Sony NEX-5N
Olympus E-M1 II
  • $700
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $899
  • 4/3
  • Tilt-swivel screen
  • Lens selection
Olympus E-M1 Mark III
Olympus E-M1 II
  • $1649
  • 4/3
  • Newer
  • $899
  • 4/3
  • Less expensive

Compared to OM System OM-1

Sony NEX-5N
OM System OM-1
  • $700
  • APS-C
  • Less expensive
  • Larger sensor
  • $2200
  • 4/3
  • Lens selection
  • Focus peaking
Olympus E-M1 Mark III
OM System OM-1
  • $1649
  • 4/3
  • $2200
  • 4/3
  • Newer
  • Higher-res screen
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