• APS-C 369.7mm2
  • 14.2 megapixels
  • ISO 100 - 3200
  • 1/2.3 inch 28.1mm2
  • 16.0 megapixels
  • 25.00mm - 100.00mm (35mm eq.)

Buy From

Differences

Sony DSLR-A390 advantages over Pentax WG-3

  • Larger sensor
    APS-C vs 1/2.3 inch
    More sensor area. Bigger is (generally) better.
  • Eye-level viewfinder
    Eye-level vs Rear display only
    You'll be able to frame photos even when the sun is out
  • Bigger pixels
    ~ 5.16 vs 1.34 microns
    Better low-light and dynamic range (all else equal)
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • RAW file ability
    Yes vs No
    Gives you more flexibility to develop your photos later
  • Longer stills battery life
    More info 500 vs 240 shots
    Capture more photos
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities
  • Longer exposure
    30 vs 4 sec
    Long exposures for night shots
  • Bulb shutter
    Bulb vs No bulb
    Hold the shutter open manually for long exposures

Pentax WG-3 advantages over Sony DSLR-A390

  • Waterproof
    Yes vs No
    Take photos underwater without destroying your camera!
  • Thinner
    33 mm vs 83 mm
    Thinner
  • Newer
    7 years vs 9 years old
    Newer cameras often support more advanced features
  • Lighter weight
    230g vs 549g
    Lighter weight
  • 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
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Higher extended ISO
    6400 vs 3200 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
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • 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

  • Focus peaking
    Neither provide
    Your camera will highlight what's in focus
  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • Built-in Wi-Fi
    Neither provide
    Share your photos wirelessly
  • 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
  • Dual card slots
    Neither provide
    Gives you more storage flexibility
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

Buy From

Review Excerpt

The Competition

Compared to Nikon D5000

Sony DSLR-A390
Nikon D5000
  • $507
  • APS-C
  • Less expensive
  • In-Camera Image Stabilization
  • $850
  • APS-C
  • Lens selection
  • Higher effective ISO
Pentax WG-3
Nikon D5000
  • $189
  • 1/2.3 inch
  • Waterproof
  • In-Camera Image Stabilization
  • $850
  • APS-C
  • Larger sensor
  • Eye-level viewfinder

Compared to Sony DSLR-A290

Sony DSLR-A390
Sony DSLR-A290
  • $507
  • APS-C
  • Tiltable Screen
  • $500
  • APS-C
  • Less expensive
  • More viewfinder magnification
Pentax WG-3
Sony DSLR-A290
  • $189
  • 1/2.3 inch
  • Waterproof
  • Thinner
  • $500
  • APS-C
  • Larger sensor
  • Eye-level viewfinder

Compared to Sony A33

Sony DSLR-A390
Sony A33
  • $507
  • APS-C
  • Less expensive
  • Longer stills battery life
  • $540
  • APS-C
  • In-camera panoramas
  • External Mic Jack
Pentax WG-3
Sony A33
  • $189
  • 1/2.3 inch
  • Waterproof
  • Thinner
  • $540
  • APS-C
  • Larger sensor
  • Eye-level viewfinder

Compared to Pentax WG-3 GPS

Sony DSLR-A390
Pentax WG-3 GPS
  • $507
  • APS-C
  • Larger sensor
  • Eye-level viewfinder
  • $229
  • 1/2.3 inch
  • Waterproof
  • In-camera panoramas
Pentax WG-3
Pentax WG-3 GPS
  • $189
  • 1/2.3 inch
  • Less expensive
  • $229
  • 1/2.3 inch
  • In-camera panoramas
  • Built-in GPS

Compared to Ricoh WG-4

Sony DSLR-A390
Ricoh WG-4
  • $507
  • APS-C
  • Larger sensor
  • Eye-level viewfinder
  • $330
  • 1/2.3 inch
  • Less expensive
  • Waterproof
Pentax WG-3
Ricoh WG-4
  • $189
  • 1/2.3 inch
  • $330
  • 1/2.3 inch
  • In-camera panoramas
  • Slow-motion videos
Compare Other Cameras?