• APS-C 369.0mm2
  • 14.8 megapixels
  • 45.00mm (35mm eq.)
  • 1/2.3 inch 28.1mm2
  • 14.0 megapixels
  • 22.00mm - 896.00mm (35mm eq.)

Buy From

Differences

Sigma DP2 Merrill advantages over Olympus SP-820UZ

  • Larger sensor
    APS-C vs 1/2.3 inch
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 5.00 vs 1.44 microns
    Better low-light and dynamic range (all else equal)
  • Larger lens aperture
    f/2.8 vs f/3.4
    Take photos in low-light or isolate your subject
  • RAW file ability
    Yes vs No
    Gives you more flexibility to develop your photos later
  • Manual focus
    Yes vs No
    AF is for the weak. Real photographers focus manually.
  • Thinner
    58 mm vs 93 mm
    Thinner
  • Lighter weight
    355g vs 485g
    Lighter weight
  • More dots on screen
    922k vs 460k dots
    Can mean greater resolution or a brighter screen
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities
  • Longer exposure
    30 vs 4 sec
    Long exposures for night shots
  • Faster JPEG shooting
    4.0 fps vs 3.0 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    7 vs 3 shots
    Take more JPEG shots before waiting (burst mode)

Olympus SP-820UZ advantages over Sigma DP2 Merrill

  • Less expensive
    $330 vs $1000 (MSRP)
    Save money for lenses or accessories
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • More telephoto lens reach
    896 mm vs 45 mm
    Capture objects farther away
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • HDMI out
    HDMI out vs None
    Use HDMI output to monitor or review video
  • Shoots 1080p video
    Yes vs No
    You'll want this if you shoot video
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Wider angle lens
    22 mm vs 45 mm
    Capture more of the scene
  • Bulb shutter
    Bulb vs No bulb
    Hold the shutter open manually for long exposures
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos

Similarities

Common Strengths

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
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • 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
  • 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
  • External Mic Jack
    Neither provide
    Improved sound fidelity when shooting video
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video

User reviews

Buy From

Your purchases support this site

Review Excerpt

The Competition

Compared to Nikon P500

Sigma DP2 Merrill
Nikon P500
  • $3194
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $400
  • 1/2.3 inch
  • Less expensive
  • Eye-level viewfinder
Olympus SP-820UZ
Nikon P500
  • $299
  • 1/2.3 inch
  • Less expensive
  • More pixels
  • $400
  • 1/2.3 inch
  • Eye-level viewfinder
  • Tiltable Screen

Compared to Canon SX50

Sigma DP2 Merrill
Canon SX50
  • $3194
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $459
  • 1/2.3 inch
  • Less expensive
  • Eye-level viewfinder
Olympus SP-820UZ
Canon SX50
  • $299
  • 1/2.3 inch
  • Less expensive
  • More pixels
  • $459
  • 1/2.3 inch
  • Eye-level viewfinder
  • Tiltable Screen

Compared to Nikon P600

Sigma DP2 Merrill
Nikon P600
  • $3194
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $345
  • 1/2.3 inch
  • Focus peaking
  • Less expensive
Olympus SP-820UZ
Nikon P600
  • $299
  • 1/2.3 inch
  • Less expensive
  • Slower slow-motion
  • $345
  • 1/2.3 inch
  • Tilt-swivel screen
  • Focus peaking

Compared to Canon SX520 HS

Sigma DP2 Merrill
Canon SX520 HS
  • $3194
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $420
  • 1/2.3 inch
  • Less expensive
  • In-Camera Image Stabilization
Olympus SP-820UZ
Canon SX520 HS
  • $299
  • 1/2.3 inch
  • Less expensive
  • Shoots 60p video
  • $420
  • 1/2.3 inch
  • Manual focus
  • Longer exposure

Compared to Canon SX530 HS

Sigma DP2 Merrill
Canon SX530 HS
  • $3194
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $259
  • 1/2.3 inch
  • In-Camera Image Stabilization
  • Built-in Wi-Fi
Olympus SP-820UZ
Canon SX530 HS
  • $299
  • 1/2.3 inch
  • Shoots 60p video
  • Bulb shutter
  • $259
  • 1/2.3 inch
  • Built-in Wi-Fi
  • NFC
Compare Other Cameras?