• 1/2.3 inch 28.1mm2
  • 12.1 megapixels
  • 36.00mm - 216.00mm (35mm eq.)
  • 1/2.3 inch 28.1mm2
  • 16.0 megapixels
  • 25.00mm - 100.00mm (35mm eq.)

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Differences

Canon A2100 IS advantages over Pentax WG-3

  • Less expensive
    $250 vs $300 (MSRP)
    Save money for lenses or accessories
  • Bigger pixels
    ~ 1.54 vs 1.34 microns
    Better low-light and dynamic range (all else equal)
  • More telephoto lens reach
    216 mm vs 100 mm
    Capture objects farther away
  • Longer stills battery life
    More info 400 vs 240 shots
    Capture more photos
  • Longer exposure
    15 vs 4 sec
    Long exposures for night shots

Pentax WG-3 advantages over Canon A2100 IS

  • Waterproof
    Yes vs No
    Take photos underwater without destroying your camera!
  • Larger lens aperture
    f/2.0 vs f/3.2
    Take photos in low-light or isolate your subject
  • 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
    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
    25 mm vs 36 mm
    Capture more of the scene
  • Faster shutter
    1/4000 vs 1/1600 sec
    Shoot wide open in bright light
  • Higher extended ISO
    6400 vs 3200 ISO
    Higher extended ISO can give more low-light flexibility

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
  • Manual focus
    Both provide
    AF is for the weak. Real photographers focus manually.

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
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • Tiltable Screen
    Neither provide
    Tilt the screen for shooting flexbility
  • RAW file ability
    Neither provide
    Gives you more flexibility to develop your photos later
  • 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
  • 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
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

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Review Excerpt

The Competition

Compared to Panasonic DMC-LZ10

Canon A2100 IS
Panasonic DMC-LZ10
  • $250
  • 1/2.3 inch
  • More telephoto lens reach
  • Manual focus
  • $188
  • 1/2.33 inch
  • Wider angle lens
  • Longer exposure

Compare Canon A2100 IS vs Panasonic DMC-LZ10

Pentax WG-3
Panasonic DMC-LZ10
  • $289
  • 1/2.3 inch
  • Waterproof
  • Larger lens aperture
  • $188
  • 1/2.33 inch
  • Less expensive
  • Bigger pixels

Compare Pentax WG-3 vs Panasonic DMC-LZ10

Compared to Canon A2000 IS

Canon A2100 IS
Canon A2000 IS
  • $250
  • 1/2.3 inch
  • More pixels
  • Bigger JPEG buffer
  • $250
  • 1/2.3 inch
  • Longer stills battery life
  • Faster JPEG shooting

Compare Canon A2100 IS vs Canon A2000 IS

Pentax WG-3
Canon A2000 IS
  • $289
  • 1/2.3 inch
  • Waterproof
  • Larger lens aperture
  • $250
  • 1/2.3 inch
  • Less expensive
  • Bigger pixels

Compare Pentax WG-3 vs Canon A2000 IS

Compared to Canon SD970 IS

Canon A2100 IS
Canon SD970 IS
  • $250
  • 1/2.3 inch
  • Less expensive
  • More telephoto lens reach
  • $170
  • 1/2.3 inch
  • HDMI out
  • More dots on screen

Compare Canon A2100 IS vs Canon SD970 IS

Pentax WG-3
Canon SD970 IS
  • $289
  • 1/2.3 inch
  • Less expensive
  • Waterproof
  • $170
  • 1/2.3 inch
  • Bigger pixels
  • More telephoto lens reach

Compare Pentax WG-3 vs Canon SD970 IS

Compared to Pentax WG-3 GPS

Canon A2100 IS
Pentax WG-3 GPS
  • $250
  • 1/2.3 inch
  • Less expensive
  • Bigger pixels
  • $229
  • 1/2.3 inch
  • Waterproof
  • In-camera panoramas

Compare Canon A2100 IS vs Pentax WG-3 GPS

Pentax WG-3
Pentax WG-3 GPS
  • $289
  • 1/2.3 inch
  • Less expensive
  • $229
  • 1/2.3 inch
  • In-camera panoramas
  • Built-in GPS

Compare Pentax WG-3 vs Pentax WG-3 GPS

Compared to Ricoh WG-4 GPS

Canon A2100 IS
Ricoh WG-4 GPS
  • $250
  • 1/2.3 inch
  • Less expensive
  • Bigger pixels
  • $380
  • 1/2.3 inch
  • Waterproof
  • In-camera panoramas

Compare Canon A2100 IS vs Ricoh WG-4 GPS

Pentax WG-3
Ricoh WG-4 GPS
  • $289
  • 1/2.3 inch
  • Less expensive
  • $380
  • 1/2.3 inch
  • In-camera panoramas
  • Built-in GPS

Compare Pentax WG-3 vs Ricoh WG-4 GPS

Compare Other Cameras?