• 1/2.3 inch 28.1mm2
  • 12.1 megapixels
  • 28.00mm - 560.00mm (35mm eq.)
  • APS-C 369.7mm2
  • 12.4 megapixels
  • ISO 200 - 6400

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Differences

Canon SX20 IS advantages over Pentax K-x

  • Less expensive
    $400 vs $650 (MSRP)
    Save money for lenses or accessories
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • Longer stills battery life
    More info 600 vs 420 shots
    Capture more photos
  • Higher max flash sync
    1/500 vs 1/180 sec
    Reduce the effect of ambient light in flash shots
  • HDMI out
    HDMI out vs None
    Use HDMI output to monitor or review video
  • Bigger JPEG buffer
    Unlimited vs 25 shots
    Take more JPEG shots before waiting (burst mode)

Pentax K-x advantages over Canon SX20 IS

  • Larger sensor
    APS-C vs 1/2.3 inch
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 5.53 vs 1.54 microns
    Better low-light and dynamic range (all else equal)
  • RAW file ability
    Yes vs No
    Gives you more flexibility to develop your photos later
  • Fast startup
    ~0.60 vs 2.4 sec
    Faster startup lets you catch the moment
  • Manual focus
    Yes vs No
    AF is for the weak. Real photographers focus manually.
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • Less shutter lag
    0.10 vs 0.54 sec
    Focus and take a photo quickly (wide angle)
  • Longer exposure
    30 vs 15 sec
    Long exposures for night shots
  • Bulb shutter
    Bulb vs No bulb
    Hold the shutter open manually for long exposures
  • Faster JPEG shooting
    4.3 fps vs 1.1 fps
    Faster JPEG shooting (burst mode)
  • Faster shutter
    1/6000 vs 1/3200 sec
    Shoot wide open in bright light
  • Higher extended ISO
    12800 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
  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • 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
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities

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
  • 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
  • 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

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Review Excerpt

The Competition

Compared to Canon SX1 IS

Canon SX20 IS
Canon SX1 IS
  • $400
  • 1/2.3 inch
  • Less expensive
  • Longer stills battery life
  • $600
  • 1/2.3 inch
  • RAW file ability
  • Shoots 1080p video
Pentax K-x
Canon SX1 IS
  • $702
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $600
  • 1/2.3 inch
  • Tiltable Screen
  • Higher max flash sync

Compared to Pentax K-7

Canon SX20 IS
Pentax K-7
  • $400
  • 1/2.3 inch
  • Less expensive
  • Tiltable Screen
  • $1300
  • APS-C
  • Larger sensor
  • Bigger pixels
Pentax K-x
Pentax K-7
  • $702
  • APS-C
  • Less expensive
  • Higher effective ISO
  • $1300
  • APS-C
  • Longer stills battery life
  • Top deck display

Compared to Panasonic DMC-FZ100

Canon SX20 IS
Panasonic DMC-FZ100
  • $400
  • 1/2.3 inch
  • Less expensive
  • Longer stills battery life
  • $500
  • 1/2.33 inch
  • RAW file ability
  • Fast startup
Pentax K-x
Panasonic DMC-FZ100
  • $702
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $500
  • 1/2.33 inch
  • Less expensive
  • Tiltable Screen

Compared to Pentax K-r

Canon SX20 IS
Pentax K-r
  • $400
  • 1/2.3 inch
  • Less expensive
  • Tiltable Screen
  • $850
  • APS-C
  • Larger sensor
  • Bigger pixels
Pentax K-x
Pentax K-r
  • $702
  • APS-C
  • Less expensive
  • Shoots 24p video
  • $850
  • APS-C
  • Fast startup
  • External Mic Jack

Compared to Panasonic FZ150

Canon SX20 IS
Panasonic FZ150
  • $400
  • 1/2.3 inch
  • Less expensive
  • Longer stills battery life
  • $498
  • 1/2.3 inch
  • RAW file ability
  • Manual focus
Pentax K-x
Panasonic FZ150
  • $702
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $498
  • 1/2.3 inch
  • Less expensive
  • Tiltable Screen
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