• 1/2.3 inch 28.1mm2
  • 12.1 megapixels
  • 28.00mm - 140.00mm (35mm eq.)
  • 1/2.3 inch 28.1mm2
  • 16.0 megapixels
  • 21.00mm - 105.00mm (35mm eq.)

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Differences

Pentax I-10 advantages over Olympus TG-870

  • Bigger pixels
    ~ 1.54 vs 1.34 microns
    Better low-light and dynamic range (all else equal)
  • More telephoto lens reach
    140 mm vs 105 mm
    Capture objects farther away
  • Manual focus
    Yes vs No
    AF is for the weak. Real photographers focus manually.
  • Lighter weight
    153g vs 221g
    Lighter weight

Olympus TG-870 advantages over Pentax I-10

  • Waterproof
    Yes vs No
    Take photos underwater without destroying your camera!
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Longer stills battery life
    More info 300 vs 250 shots
    Capture more photos
  • Newer
    9 years vs 15 years old
    Newer cameras often support more advanced features
  • HDMI out
    HDMI out vs None
    Use HDMI output to monitor or review video
  • More dots on screen
    920k 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
    16.0 vs 12.1 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Wider angle lens
    21 mm vs 28 mm
    Capture more of the scene
  • Faster JPEG shooting
    7.0 fps vs 2.6 fps
    Faster JPEG shooting (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos

Similarities

Common Strengths

  • In-Camera Image Stabilization
    Both provide
    Reduces the effects of camera shake at slower shutter speeds
  • Internal flash
    Both provide
    Useful in a pinch for fill flash

Common Weaknesses

  • Focus peaking
    Neither provide
    Your camera will highlight what's in focus
  • 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
  • RAW file ability
    Neither provide
    Gives you more flexibility to develop your photos later
  • 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
  • Hot shoe
    Neither provide
    Off-camera flashes open new possibilities
  • 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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Review Excerpt

The Competition

Compared to Pentax W90

Pentax I-10
Pentax W90
  • $300
  • 1/2.3 inch
  • Longer stills battery life
  • Faster JPEG shooting
  • $330
  • 1/2.3 inch

Compare Pentax I-10 vs Pentax W90

Olympus TG-870
Pentax W90
  • $279
  • 1/2.3 inch
  • Waterproof
  • In-camera panoramas
  • $330
  • 1/2.3 inch
  • Bigger pixels
  • More telephoto lens reach

Compare Olympus TG-870 vs Pentax W90

Compared to Pentax WG-1

Pentax I-10
Pentax WG-1
  • $300
  • 1/2.3 inch
  • Less expensive
  • Faster JPEG shooting
  • $260
  • 1/2.3 inch
  • Waterproof
  • HDMI out

Compare Pentax I-10 vs Pentax WG-1

Olympus TG-870
Pentax WG-1
  • $279
  • 1/2.3 inch
  • In-camera panoramas
  • Tiltable Screen
  • $260
  • 1/2.3 inch
  • More telephoto lens reach
  • Manual focus

Compare Olympus TG-870 vs Pentax WG-1

Compared to Pentax WG-1 GPS

Pentax I-10
Pentax WG-1 GPS
  • $300
  • 1/2.3 inch
  • Less expensive
  • Faster JPEG shooting
  • $400
  • 1/2.3 inch
  • Waterproof
  • Built-in GPS

Compare Pentax I-10 vs Pentax WG-1 GPS

Olympus TG-870
Pentax WG-1 GPS
  • $279
  • 1/2.3 inch
  • In-camera panoramas
  • Tiltable Screen
  • $400
  • 1/2.3 inch
  • More telephoto lens reach
  • Manual focus

Compare Olympus TG-870 vs Pentax WG-1 GPS

Compared to Olympus TG-850

Pentax I-10
Olympus TG-850
  • $300
  • 1/2.3 inch
  • Bigger pixels
  • More telephoto lens reach
  • $249
  • 1/2.3 inch
  • Less expensive
  • Waterproof

Compare Pentax I-10 vs Olympus TG-850

Olympus TG-870
Olympus TG-850
  • $279
  • 1/2.3 inch
  • Built-in Wi-Fi
  • Built-in GPS
  • $249
  • 1/2.3 inch

Compare Olympus TG-870 vs Olympus TG-850

Compared to Olympus TG-860

Pentax I-10
Olympus TG-860
  • $300
  • 1/2.3 inch
  • Bigger pixels
  • More telephoto lens reach
  • $230
  • 1/2.3 inch
  • Waterproof
  • In-camera panoramas

Compare Pentax I-10 vs Olympus TG-860

Olympus TG-870
Olympus TG-860
  • $279
  • 1/2.3 inch
  • More dots on screen
  • $230
  • 1/2.3 inch

Compare Olympus TG-870 vs Olympus TG-860

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