• 1/2.3 inch 28.1mm2
  • 12.1 megapixels
  • 28.00mm - 140.00mm (35mm eq.)
  • 35mm 855.6mm2
  • 24.3 megapixels
  • ISO 100 - 25,600

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Differences

Pentax W90 advantages over Sony A99

  • Less expensive
    $330 vs $2800 (MSRP)
    Save money for lenses or accessories
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Thinner
    25 mm vs 78 mm
    Thinner
  • Lighter weight
    161g vs 828g
    Lighter weight

Sony A99 advantages over Pentax W90

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Larger sensor
    35mm 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
    ~ 5.97 vs 1.54 microns
    Better low-light and dynamic range (all else equal)
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • RAW file ability
    Yes vs No
    Gives you more flexibility to develop your photos later
  • Fast startup
    ~0.70 vs 2.1 sec
    Faster startup lets you catch the moment
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Longer stills battery life
    More info 500 vs 205 shots
    Capture more photos
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • HDMI out
    HDMI out vs None
    Use HDMI output to monitor or review video
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • More dots on screen
    1229k vs 230k dots
    Can mean greater resolution or a brighter screen
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities
  • Shoots 1080p video
    Yes vs No
    You'll want this if you shoot video
  • Less shutter lag
    0.13 vs 0.26 sec
    Focus and take a photo quickly (wide angle)
  • More pixels
    24.3 vs 12.1 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • 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
    30 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
    5.9 fps vs 1.0 fps
    Faster JPEG shooting (burst mode)
  • Faster shutter
    1/8000 vs 1/1500 sec
    Shoot wide open in bright light
  • Higher extended ISO
    51200 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.

Common Weaknesses

  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • 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
  • 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
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

Buy From

Review Excerpt

The Competition

Compared to Pentax I-10

Pentax W90
Pentax I-10
  • $330
  • 1/2.3 inch
  • $300
  • 1/2.3 inch
  • Longer stills battery life
  • Faster JPEG shooting
Sony A99
Pentax I-10
  • $1998
  • 35mm
  • Tilt-swivel screen
  • Focus peaking
  • $300
  • 1/2.3 inch
  • Less expensive
  • Internal flash

Compared to Pentax WG-1

Pentax W90
Pentax WG-1
  • $330
  • 1/2.3 inch
  • Faster JPEG shooting
  • $260
  • 1/2.3 inch
  • Waterproof
  • Longer stills battery life
Sony A99
Pentax WG-1
  • $1998
  • 35mm
  • Focus peaking
  • Larger sensor
  • $260
  • 1/2.3 inch
  • Less expensive
  • Waterproof

Compared to Pentax WG-1 GPS

Pentax W90
Pentax WG-1 GPS
  • $330
  • 1/2.3 inch
  • Less expensive
  • Faster JPEG shooting
  • $400
  • 1/2.3 inch
  • Waterproof
  • Built-in GPS
Sony A99
Pentax WG-1 GPS
  • $1998
  • 35mm
  • Tilt-swivel screen
  • Focus peaking
  • $400
  • 1/2.3 inch
  • Less expensive
  • Waterproof

Compared to Nikon D800

Pentax W90
Nikon D800
  • $330
  • 1/2.3 inch
  • Less expensive
  • In-Camera Image Stabilization
  • $1850
  • 35mm
  • Larger sensor
  • Eye-level viewfinder
Sony A99
Nikon D800
  • $1998
  • 35mm
  • Tilt-swivel screen
  • Focus peaking
  • $1850
  • 35mm
  • Lens selection
  • Fast startup

Compared to Canon 5D Mark III

Pentax W90
Canon 5D Mark III
  • $330
  • 1/2.3 inch
  • In-Camera Image Stabilization
  • Internal flash
  • $2084
  • 35mm
  • Larger sensor
  • Eye-level viewfinder
Sony A99
Canon 5D Mark III
  • $1998
  • 35mm
  • Focus peaking
  • Tilt-swivel screen
  • $2084
  • 35mm
  • Lens selection
  • Fast startup
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