• 4/3 224.9mm2
  • 10.0 megapixels
  • ISO 100 - 1600
  • 2/3 inch 58.1mm2
  • 12.0 megapixels
  • 24.00mm - 624.00mm (35mm eq.)

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Differences

Olympus E-520 advantages over Fujifilm X-S1

  • Larger sensor
    4/3 vs 2/3 inch
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 4.74 vs 2.20 microns
    Better low-light and dynamic range (all else equal)
  • Longer stills battery life
    More info 650 vs 460 shots
    Capture more photos
  • Thinner
    68 mm vs 149 mm
    Thinner
  • Lighter weight
    550g vs 945g
    Lighter weight
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Bulb shutter
    Bulb vs No bulb
    Hold the shutter open manually for long exposures
  • Bigger JPEG buffer
    12 vs 8 shots
    Take more JPEG shots before waiting (burst mode)

Fujifilm X-S1 advantages over Olympus E-520

  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • HDMI out
    HDMI out vs None
    Use HDMI output to monitor or review video
  • More dots on screen
    460k 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 pixels
    12.0 vs 10.0 megapixels
    Higher resolution photos
  • Faster JPEG shooting
    7.0 fps vs 3.5 fps
    Faster JPEG shooting (burst mode)
  • Higher extended ISO
    12800 vs 1600 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • Rear display
    Both provide
    Review photos on the back of the camera
  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • In-Camera Image Stabilization
    Both provide
    Reduces the effects of camera shake at slower shutter speeds
  • RAW file ability
    Both provide
    Gives you more flexibility to develop your photos later
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • Manual focus
    Both provide
    AF is for the weak. Real photographers focus manually.
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities

Common Weaknesses

  • Focus peaking
    Neither provide
    Your camera will highlight what's in focus
  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • Built-in Wi-Fi
    Neither provide
    Share your photos wirelessly
  • 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
  • Integrated ND filter
    Neither provide
    Shoot in daylight with a large aperture or slow shutter
  • 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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Review Excerpt

The Competition

Compared to Fujifilm S100FS

Olympus E-520
Fujifilm S100FS
  • $700
  • 4/3
  • Larger sensor
  • Bigger pixels
  • $800
  • 2/3 inch
  • Tiltable Screen
  • Higher extended ISO

Compare Olympus E-520 vs Fujifilm S100FS

Fujifilm X-S1
Fujifilm S100FS
  • $699
  • 2/3 inch
  • In-camera panoramas
  • More telephoto lens reach
  • $800
  • 2/3 inch
  • Bulb shutter

Compare Fujifilm X-S1 vs Fujifilm S100FS

Compared to Olympus E-420

Olympus E-520
Olympus E-420
  • $700
  • 4/3
  • In-Camera Image Stabilization
  • Longer stills battery life
  • $400
  • 4/3
  • Less expensive
  • Fast startup

Compare Olympus E-520 vs Olympus E-420

Fujifilm X-S1
Olympus E-420
  • $699
  • 2/3 inch
  • In-Camera Image Stabilization
  • In-camera panoramas
  • $400
  • 4/3
  • Less expensive
  • Larger sensor

Compare Fujifilm X-S1 vs Olympus E-420

Compared to Olympus E-620

Olympus E-520
Olympus E-620
  • $700
  • 4/3
  • Longer stills battery life
  • Less shutter lag
  • $800
  • 4/3
  • Tiltable Screen
  • More cross-type AF points

Compare Olympus E-520 vs Olympus E-620

Fujifilm X-S1
Olympus E-620
  • $699
  • 2/3 inch
  • In-camera panoramas
  • External Mic Jack
  • $800
  • 4/3
  • Larger sensor
  • Bigger pixels

Compare Fujifilm X-S1 vs Olympus E-620

Compared to Olympus E-600

Olympus E-520
Olympus E-600
  • $700
  • 4/3
  • Longer stills battery life
  • $600
  • 4/3
  • Less expensive
  • Tiltable Screen

Compare Olympus E-520 vs Olympus E-600

Fujifilm X-S1
Olympus E-600
  • $699
  • 2/3 inch
  • In-camera panoramas
  • External Mic Jack
  • $600
  • 4/3
  • Less expensive
  • Larger sensor

Compare Fujifilm X-S1 vs Olympus E-600

Compared to Panasonic FZ300

Olympus E-520
Panasonic FZ300
  • $700
  • 4/3
  • Larger sensor
  • Bigger pixels
  • $481
  • 1/2.3 inch
  • Focus peaking
  • Tilt-swivel screen

Compare Olympus E-520 vs Panasonic FZ300

Fujifilm X-S1
Panasonic FZ300
  • $699
  • 2/3 inch
  • Larger sensor
  • Bigger pixels
  • $481
  • 1/2.3 inch
  • Focus peaking
  • Tilt-swivel screen

Compare Fujifilm X-S1 vs Panasonic FZ300

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