• APS-C 332.3mm2
  • 24.2 megapixels
  • ISO 100 - 12,800
  • APS-C 366.6mm2
  • 24.4 megapixels
  • ISO 100 - 51,200

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Differences

Canon EOS M3 advantages over Pentax K-3 II

  • Less expensive
    $549 vs $829*
    Save money for lenses or accessories
  • 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
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Thinner
    44 mm vs 77 mm
    Thinner
  • Lighter weight
    366g vs 785g
    Lighter weight
  • Bigger JPEG buffer
    Unlimited vs 60 shots
    Take more JPEG shots before waiting (burst mode)

Pentax K-3 II advantages over Canon EOS M3

  • Lens selection
    Excellent vs Limited
    Better lens selection gives you more options
  • Larger sensor
    APS-C vs APS-C
    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
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • High resolution composite
    Yes vs No
    Combine multiple shots to form a super hi-res version
  • Fast startup
    ~1.20 vs 2.4 sec
    Faster startup lets you catch the moment
  • More dynamic range
    13.6 vs 11.8 evs
    Retain detail in highlight and shadows
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Longer stills battery life
    More info 720 vs 250 shots
    Capture more photos
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Optional anti-aliasing filter
    Optional vs Fixed
    Lets you choose sharper photos or reduced moiré
  • Faster JPEG shooting
    8.1 fps vs 4.2 fps
    Faster JPEG shooting (burst mode)
  • Faster RAW shooting
    8.2 fps vs 4.0 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    22 vs 4 shots
    Larger buffer for RAW shots (burst mode)
  • Faster shutter
    1/8000 vs 1/4000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    51200 vs 25600 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • Focus peaking
    Both provide
    Your camera will highlight what's in focus
  • External Mic Jack
    Both provide
    Improved sound fidelity when shooting video
  • HDMI out
    Both provide
    Use an external screen 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
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

Buy From

Your purchases support this site

Buy the Canon EOS M3

Review Excerpt

  • DSLR image quality & resolution in a mirrorless body; Higher-res 24MP APS-C sensor; Much improved AF performance; Better ergonomics with full PASM dial; Built-in Wi-Fi & NFC; Tilting LCD.

  • No built-in EVF; Limited native lens selection; Slow burst mode; Shallow buffer depth with RAW files; No 60p video frame rate or 4K video option.

  • Top-notch image quality; Spectacular detail from Pixel Shift Resolution; Better performance than K-3; Geotag images with no accessories; Great ergonomics in a compact body; Clever on-demand low-pass filtering; Broad sensitivity range; Large and bright viewfinder for an APS-C camera; Dual card slots

  • No built-in flash strobe; No wireless flash support out of the box; AstroTracer function can be finicky; AE Lock button is poorly located; Below-average battery life for a prosumer DSLR; Requires a different battery grip accessory than its predecessors

The Competition

Compared to Sony A6000

Canon EOS M3
Sony A6000
  • $549
  • APS-C
  • Touchscreen
  • More telephoto lens reach
  • $481
  • APS-C
  • Lens selection
  • Larger sensor
Pentax K-3 II
Sony A6000
  • $829
  • APS-C
  • Lens selection
  • In-Camera Image Stabilization
  • $481
  • APS-C
  • Less expensive
  • In-camera panoramas

Compared to Samsung NX3000

Canon EOS M3
Samsung NX3000
  • $549
  • APS-C
  • Focus peaking
  • Touchscreen
  • $649
  • APS-C
  • Larger sensor
  • Bigger pixels
Pentax K-3 II
Samsung NX3000
  • $829
  • APS-C
  • Lens selection
  • Focus peaking
  • $649
  • APS-C
  • In-camera panoramas
  • Tiltable Screen

Compared to Nikon D5500

Canon EOS M3
Nikon D5500
  • $549
  • APS-C
  • Less expensive
  • Focus peaking
  • $631
  • APS-C
  • Lens selection
  • Larger sensor
Pentax K-3 II
Nikon D5500
  • $829
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $631
  • APS-C
  • Less expensive
  • Tilt-swivel screen

Compared to Samsung NX500

Canon EOS M3
Samsung NX500
  • $549
  • APS-C
  • Less expensive
  • More telephoto lens reach
  • $799
  • APS-C
  • Larger sensor
  • Shoot 4K video
Pentax K-3 II
Samsung NX500
  • $829
  • APS-C
  • Lens selection
  • Eye-level viewfinder
  • $799
  • APS-C
  • Shoot 4K video
  • Touchscreen

Compared to Canon T6i

Canon EOS M3
Canon T6i
  • $549
  • APS-C
  • Focus peaking
  • Higher effective ISO
  • $549
  • APS-C
  • Lens selection
  • Tilt-swivel screen
Pentax K-3 II
Canon T6i
  • $829
  • APS-C
  • Focus peaking
  • Larger sensor
  • $549
  • APS-C
  • Less expensive
  • Tilt-swivel screen
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