• APS-C 372.1mm2
  • 16.3 megapixels
  • ISO 100 - 12,800
  • 1.5 inch 261.8mm2
  • 14.3 megapixels
  • 28.00mm - 112.00mm (35mm eq.)

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Differences

Pentax K-5 advantages over Canon G1X

  • Larger sensor
    APS-C vs 1.5 inch
    More sensor area. Bigger is (generally) better.
  • Fast startup
    ~0.60 vs 1.9 sec
    Faster startup lets you catch the moment
  • Higher effective ISO
    1,162 vs 644 iso
    Take photos in low light with less noise
  • More dynamic range
    14.1 vs 10.8 evs
    Retain detail in highlight and shadows
  • Longer stills battery life
    More info 740 vs 250 shots
    Capture more photos
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Less shutter lag
    0.10 vs 0.70 sec
    Focus and take a photo quickly (wide angle)
  • Bulb shutter
    Bulb vs No bulb
    Hold the shutter open manually for long exposures
  • Faster JPEG shooting
    6.5 fps vs 4.5 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    31 vs 6 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster RAW shooting
    6.5 fps vs 1.1 fps
    Faster RAW shooting in burst mode
  • Faster shutter
    1/8000 vs 1/4000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    51200 vs 12800 ISO
    Higher extended ISO can give more low-light flexibility

Canon G1X advantages over Pentax K-5

  • Less expensive
    $800 vs $1750 (MSRP)
    Save money for lenses or accessories
  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • Integrated ND filter
    Yes vs No
    Shoot in daylight with a large aperture or slow shutter
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Bigger RAW buffer
    Unlimited vs 23 shots
    Larger buffer for RAW shots (burst mode)

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
  • RAW file ability
    Both provide
    Gives you more flexibility to develop your photos later
  • 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
  • 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
  • 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

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Review Excerpt

  • Excellent high ISO performance, one of the best APS-C sensors yet; 6.5 fps burst mode has very good buffer depths; Weather, dust, and cold resistant; In-body Shake Reduction corrects not only horizontal / vertical, but also rotational motion.

  • Default saturation and contrast a bit high; Auto white balance too warm in tungsten light; Fewer AF points than main competitors; Only a single card slot, and no UHS-I card support (slow buffer clearing).

  • Large-sensor image quality. Sharp lens with useful zoom range. Tilt/swivel LCD. Twin dials. Smaller than competing interchangeable-lens cameras with a similar lens. Lots of photographer-friendly features.

  • Not as small as you might hope. Mediocre burst shooting and autofocus speed. Far too easy to accidentally change exposure compensation. Viewfinder is of surprisingly little use. Battery life could be better.

The Competition

Compared to Canon T3i

Pentax K-5
Canon T3i
  • $800
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization
  • $549
  • APS-C
  • Less expensive
  • Tilt-swivel screen
Canon G1X
Canon T3i
  • $576
  • 1.5 inch
  • In-Camera Image Stabilization
  • Integrated ND filter
  • $549
  • APS-C
  • Larger sensor
  • Less expensive

Compared to Nikon D5100

Pentax K-5
Nikon D5100
  • $800
  • APS-C
  • In-Camera Image Stabilization
  • Top deck display
  • $650
  • APS-C
  • Tilt-swivel screen
  • Shoots 24p video
Canon G1X
Nikon D5100
  • $576
  • 1.5 inch
  • In-Camera Image Stabilization
  • Integrated ND filter
  • $650
  • APS-C
  • Larger sensor
  • Fast startup

Compared to Sigma DP1 Merrill

Pentax K-5
Sigma DP1 Merrill
  • $800
  • APS-C
  • Eye-level viewfinder
  • In-Camera Image Stabilization
  • $849
  • APS-C
  • Less expensive
  • Doesn't require an AA filter
Canon G1X
Sigma DP1 Merrill
  • $576
  • 1.5 inch
  • Tilt-swivel screen
  • Eye-level viewfinder
  • $849
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Pentax K-30

Pentax K-5
Pentax K-30
  • $800
  • APS-C
  • Fast startup
  • Longer stills battery life
  • $599
  • APS-C
  • Less expensive
  • Focus peaking
Canon G1X
Pentax K-30
  • $576
  • 1.5 inch
  • Less expensive
  • Tilt-swivel screen
  • $599
  • APS-C
  • Focus peaking
  • Larger sensor

Compared to Canon G1X Mark III

Pentax K-5
Canon G1X Mark III
  • $800
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $999
  • APS-C
  • Tilt-swivel screen
  • Focus peaking
Canon G1X
Canon G1X Mark III
  • $576
  • 1.5 inch
  • Bigger pixels
  • More telephoto lens reach
  • $999
  • APS-C
  • Focus peaking
  • Larger sensor
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