• APS-C 369.0mm2
  • 14.8 megapixels
  • 75.00mm (35mm eq.)
  • 1/2.3 inch 28.1mm2
  • 12.0 megapixels
  • 25.00mm - 100.00mm (35mm eq.)

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Differences

Sigma DP3 Merrill advantages over Olympus TG-6

  • Larger sensor
    APS-C vs 1/2.3 inch
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 5.00 vs 1.54 microns
    Better low-light and dynamic range (all else equal)
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities
  • More pixels
    14.8 vs 12.0 megapixels
    Higher resolution photos
  • Doesn't require an AA filter
    Yes vs No
    A unique sensor design provides sharp photos without moiré
  • Longer exposure
    30 vs 4 sec
    Long exposures for night shots

Olympus TG-6 advantages over Sigma DP3 Merrill

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Waterproof
    Yes vs No
    Take photos underwater without destroying your camera!
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Shoot 4K video
    4K (UHD) vs No
    Make sure you have a fast computer
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Larger lens aperture
    f/2.0 vs f/2.8
    Take photos in low-light or isolate your subject
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • More telephoto lens reach
    100 mm vs 75 mm
    Capture objects farther away
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Longer stills battery life
    More info 340 vs 97 shots
    Capture more photos
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Thinner
    32 mm vs 80 mm
    Thinner
  • Newer
    5 years vs 11 years old
    Newer cameras often support more advanced features
  • HDMI out
    HDMI out vs None
    Use HDMI output to monitor or review video
  • Lighter weight
    253g vs 400g
    Lighter weight
  • 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
    25 mm vs 75 mm
    Capture more of the scene
  • Faster JPEG shooting
    20.0 fps vs 4.0 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    27 vs 7 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster RAW shooting
    20.0 fps vs 4.0 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    18 vs 7 shots
    Larger buffer for RAW shots (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Higher extended ISO
    12800 vs 6400 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • RAW file ability
    Both provide
    Gives you more flexibility to develop your photos later
  • Manual focus
    Both provide
    AF is for the weak. Real photographers focus manually.

Common Weaknesses

  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • 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
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • 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
  • Bulb shutter
    Neither provide
    Hold the shutter open manually for long exposures

User reviews

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Buy the Sigma DP3 Merrill

Your purchases support this site

Buy the Olympus TG-6

Review Excerpt

The Competition

Compared to Olympus TG-2

Sigma DP3 Merrill
Olympus TG-2
  • $899
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $383
  • 1/2.3 inch
  • Less expensive
  • Waterproof
Olympus TG-6
Olympus TG-2
  • $444
  • 1/2.3 inch
  • Focus peaking
  • Slower slow-motion
  • $383
  • 1/2.3 inch

Compared to Olympus TG-3

Sigma DP3 Merrill
Olympus TG-3
  • $899
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $349
  • 1/2.3 inch
  • Less expensive
  • Waterproof
Olympus TG-6
Olympus TG-3
  • $444
  • 1/2.3 inch
  • Focus peaking
  • Slower slow-motion
  • $349
  • 1/2.3 inch
  • More pixels
  • Bigger JPEG buffer

Compared to Ricoh WG-5 GPS

Sigma DP3 Merrill
Ricoh WG-5 GPS
  • $899
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $297
  • 1/2.3 inch
  • Waterproof
  • In-Camera Image Stabilization
Olympus TG-6
Ricoh WG-5 GPS
  • $444
  • 1/2.3 inch
  • Slower slow-motion
  • Focus peaking
  • $297
  • 1/2.3 inch
  • Less expensive
  • More pixels

Compared to Olympus TG-4

Sigma DP3 Merrill
Olympus TG-4
  • $899
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $379
  • 1/2.3 inch
  • Waterproof
  • In-Camera Image Stabilization
Olympus TG-6
Olympus TG-4
  • $444
  • 1/2.3 inch
  • Focus peaking
  • Slower slow-motion
  • $379
  • 1/2.3 inch
  • More pixels
  • Bigger JPEG buffer

Compared to Olympus TG-5

Sigma DP3 Merrill
Olympus TG-5
  • $899
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $299
  • 1/2.3 inch
  • Focus peaking
  • Waterproof
Olympus TG-6
Olympus TG-5
  • $444
  • 1/2.3 inch
  • Fast startup
  • Newer
  • $299
  • 1/2.3 inch
  • Less expensive
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