• APS-C 369.7mm2
  • 16.3 megapixels
  • ISO 100 - 12,800
  • 1 inch 116.2mm2
  • 20.2 megapixels
  • 24.00mm - 600.00mm (35mm eq.)

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Differences

Pentax K-5 IIs advantages over Canon G3X

  • Larger sensor
    APS-C vs 1 inch
    More sensor area. Bigger is (generally) better.
  • Less expensive
    $497 vs $849
    Save money for lenses or accessories
  • Eye-level viewfinder
    Eye-level vs Rear display only
    You'll be able to frame photos even when the sun is out
  • Bigger pixels
    ~ 4.81 vs 2.41 microns
    Better low-light and dynamic range (all else equal)
  • Fast startup
    ~0.60 vs 1.9 sec
    Faster startup lets you catch the moment
  • Better color depth
    23.9 vs 21.4 bits
    Capture richer, more accurate colors
  • Higher effective ISO
    1,208 vs 521 iso
    Take photos in low light with less noise
  • More dynamic range
    14.1 vs 12.3 evs
    Retain detail in highlight and shadows
  • Longer stills battery life
    More info 740 vs 300 shots
    Capture more photos
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • Thinner
    73 mm vs 105 mm
    Thinner
  • Less shutter lag
    0.23 vs 0.41 sec
    Focus and take a photo quickly (wide angle)
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos
  • Bigger JPEG buffer
    28 vs 9 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster RAW shooting
    6.7 fps vs 0.7 fps
    Faster RAW shooting in burst mode
  • Faster shutter
    1/8000 vs 1/2000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    51200 vs 12800 ISO
    Higher extended ISO can give more low-light flexibility

Canon G3X advantages over Pentax K-5 IIs

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Integrated ND filter
    Yes vs No
    Shoot in daylight with a large aperture or slow shutter
  • Higher max flash sync
    1/2000 vs 1/180 sec
    Reduce the effect of ambient light in flash shots
  • Newer
    3 years vs 6 years old
    Newer cameras often support more advanced features
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • Higher-res screen
    540k vs 307k pixels
    More detail on the screen lets you judge focus and composition
  • More pixels
    20.2 vs 16.3 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos
  • Bigger RAW buffer
    Unlimited vs 22 shots
    Larger buffer for RAW shots (burst mode)

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
  • 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.
  • External Mic Jack
    Both provide
    Improved sound fidelity when shooting video
  • HDMI out
    Both provide
    Use HDMI output to monitor or review video
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures

Common Weaknesses

  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • 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
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

Buy From

Review Excerpt

  • Noticeably better sharpness than standard K-5 II; Compact yet control-rich body packs in the features; Updated autofocus system focuses in near-darkness; Fully weather-sealed; Very good dynamic range; In-body image stabilization; Dual-axis level with horizon correction.

  • Prone to moire, aliasing, and false color artifacts; Can seem intimidating at first; Fewer autofocus points than competitors; Doesn't take advantage of high-speed UHS-I flash cards; Movie feature set is very dated and file sizes huge.

  • Good overall optical performance from the 24-600mm eq. lens; Very good image quality and high ISO performance for this class, especially with RAW; Lots of external controls; Comfortable grip; Shoots 1080/60p video; Includes both mic and headphone jack, Focus peaking for video; Clean HDMI.

  • No built-in EVF; Mediocre AF speeds; Sluggish burst rate with RAW/RAW+JPG and with servo AF; Below average battery life; No 4K video unlike competitors.

The Competition

Compared to Sony A35

Pentax K-5 IIs
Sony A35
  • $623
  • APS-C
  • Lens selection
  • Fast startup
  • $567
  • APS-C
  • In-camera panoramas
  • More viewfinder magnification
Canon G3X
Sony A35
  • $849
  • 1 inch
  • Focus peaking
  • Touchscreen
  • $567
  • APS-C
  • Larger sensor
  • Eye-level viewfinder

Compared to Sony A57

Pentax K-5 IIs
Sony A57
  • $623
  • APS-C
  • Lens selection
  • Higher effective ISO
  • $800
  • APS-C
  • Focus peaking
  • In-camera panoramas
Canon G3X
Sony A57
  • $849
  • 1 inch
  • Touchscreen
  • Built-in Wi-Fi
  • $800
  • APS-C
  • Larger sensor
  • Eye-level viewfinder

Compared to Pentax K-500

Pentax K-5 IIs
Pentax K-500
  • $623
  • APS-C
  • Less expensive
  • Higher effective ISO
  • $597
  • APS-C
  • Focus peaking
  • Shoots 24p video
Canon G3X
Pentax K-500
  • $849
  • 1 inch
  • Touchscreen
  • Tiltable Screen
  • $597
  • APS-C
  • Larger sensor
  • Less expensive

Compared to Leica V-LUX (Typ 114)

Pentax K-5 IIs
Leica V-LUX (Typ 114)
  • $623
  • APS-C
  • Less expensive
  • Larger sensor
  • $1195
  • 1 inch
  • Focus peaking
  • Shoot 4K video
Canon G3X
Leica V-LUX (Typ 114)
  • $849
  • 1 inch
  • Less expensive
  • Touchscreen
  • $1195
  • 1 inch
  • Eye-level viewfinder
  • Shoot 4K video

Compared to Panasonic FZ2500

Pentax K-5 IIs
Panasonic FZ2500
  • $623
  • APS-C
  • Less expensive
  • Larger sensor
  • $998
  • 1 inch
  • Tilt-swivel screen
  • Focus peaking
Canon G3X
Panasonic FZ2500
  • $849
  • 1 inch
  • Less expensive
  • NFC
  • $998
  • 1 inch
  • Tilt-swivel screen
  • Eye-level viewfinder
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