• 1/2.3 inch 28.1mm2
  • 16.0 megapixels
  • 25.00mm - 100.00mm (35mm eq.)
  • 4/3 226.2mm2
  • 20.4 megapixels
  • ISO 200 - 25,600

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Differences

Pentax WG-3 GPS advantages over OM System OM-1

  • Less expensive
    $350 vs $2200 (MSRP)
    Save money for lenses or accessories
  • Waterproof
    Yes vs No
    Take photos underwater without destroying your camera!
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Thinner
    33 mm vs 72 mm
    Thinner
  • Lighter weight
    239g vs 511g
    Lighter weight

OM System OM-1 advantages over Pentax WG-3 GPS

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Larger sensor
    4/3 vs 1/2.3 inch
    More sensor area. Bigger is (generally) better.
  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • Eye-level viewfinder
    Eye-level vs Rear display only
    You'll be able to frame photos even when the sun is out
  • Bigger pixels
    ~ 3.36 vs 1.34 microns
    Better low-light and dynamic range (all else equal)
  • Shoot 4K video
    4K (DCI) vs 1080p
    Make sure you have a fast computer
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • High resolution composite
    Yes vs No
    Combine multiple shots to form a super hi-res version
  • RAW file ability
    Yes vs No
    Gives you more flexibility to develop your photos later
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Newer
    3 years vs 12 years old
    Newer cameras often support more advanced features
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • More dots on screen
    1620k vs 460k dots
    Can mean greater resolution or a brighter screen
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities
  • More pixels
    20.4 vs 16.0 megapixels
    Higher resolution photos
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Longer exposure
    60 vs 4 sec
    Long exposures for night shots
  • Bulb shutter
    Bulb vs No bulb
    Hold the shutter open manually for long exposures
  • Faster JPEG shooting
    120.0 fps vs 1.5 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    92 vs 60 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster shutter
    1/32000 vs 1/4000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    102400 vs 6400 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
  • In-Camera Image Stabilization
    Both provide
    Reduces the effects of camera shake at slower shutter speeds
  • Manual focus
    Both provide
    AF is for the weak. Real photographers focus manually.
  • HDMI out
    Both provide
    Use HDMI output to monitor or review video

Common Weaknesses

  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • Integrated ND filter
    Neither provide
    Shoot in daylight with a large aperture or slow shutter
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

Buy From

Your purchases support this site

Review Excerpt

  • Eye-catching, aggressive styling; Digital Microscope mode with 6 LED ring light; Improved ruggedness; Front-panel monochrome LCD readout; Can power up via inductive charging.

  • Struggles in low-light situations despite bright f/2 max lens aperture; So-so image and video quality; User interface has steep learning curve; Poor battery life.

The Competition

Compared to Pentax WG-3

Pentax WG-3 GPS
Pentax WG-3
  • $229
  • 1/2.3 inch
  • In-camera panoramas
  • Built-in GPS
  • $289
  • 1/2.3 inch
  • Less expensive
OM System OM-1
Pentax WG-3
  • $2200
  • 4/3
  • Focus peaking
  • Larger sensor
  • $289
  • 1/2.3 inch
  • Less expensive
  • Waterproof

Compared to Ricoh WG-4 GPS

Pentax WG-3 GPS
Ricoh WG-4 GPS
  • $229
  • 1/2.3 inch
  • $380
  • 1/2.3 inch
  • Bigger JPEG buffer
  • Slow-motion videos
OM System OM-1
Ricoh WG-4 GPS
  • $2200
  • 4/3
  • Tilt-swivel screen
  • Focus peaking
  • $380
  • 1/2.3 inch
  • Less expensive
  • Waterproof

Compared to Ricoh WG-4

Pentax WG-3 GPS
Ricoh WG-4
  • $229
  • 1/2.3 inch
  • Built-in GPS
  • $330
  • 1/2.3 inch
  • Bigger JPEG buffer
  • Slow-motion videos
OM System OM-1
Ricoh WG-4
  • $2200
  • 4/3
  • Tilt-swivel screen
  • Focus peaking
  • $330
  • 1/2.3 inch
  • Less expensive
  • Waterproof

Compared to Panasonic G95

Pentax WG-3 GPS
Panasonic G95
  • $229
  • 1/2.3 inch
  • Waterproof
  • Built-in GPS
  • $848
  • 4/3
  • Tilt-swivel screen
  • Focus peaking
OM System OM-1
Panasonic G95
  • $2200
  • 4/3
  • High resolution composite
  • On-sensor phase detect
  • $848
  • 4/3
  • In-camera panoramas
  • Built-in Bluetooth

Compared to Olympus E-M1 Mark III

Pentax WG-3 GPS
Olympus E-M1 Mark III
  • $229
  • 1/2.3 inch
  • Waterproof
  • In-camera panoramas
  • $1649
  • 4/3
  • Focus peaking
  • Larger sensor
OM System OM-1
Olympus E-M1 Mark III
  • $2200
  • 4/3
  • Newer
  • Higher-res screen
  • $1649
  • 4/3
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