• APS-C 369.7mm2
  • 14.6 megapixels
  • ISO 100 - 3200
  • 4/3 224.9mm2
  • 16.1 megapixels
  • ISO 200 - 25,600

Buy From

Differences

Pentax K-7 advantages over Olympus E-M5

  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 5.07 vs 3.75 microns
    Better low-light and dynamic range (all else equal)
  • Fast startup
    ~0.60 vs 1.1 sec
    Faster startup lets you catch the moment
  • Longer stills battery life
    More info 740 vs 360 shots
    Capture more photos
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • More dots on screen
    921k vs 614k dots
    Can mean greater resolution or a brighter screen
  • Less shutter lag
    0.09 vs 0.28 sec
    Focus and take a photo quickly (wide angle)
  • Faster shutter
    1/8000 vs 1/4000 sec
    Shoot wide open in bright light

Olympus E-M5 advantages over Pentax K-7

  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • Higher effective ISO
    826 vs 536 iso
    Take photos in low light with less noise
  • More dynamic range
    12.3 vs 10.6 evs
    Retain detail in highlight and shadows
  • Thinner
    43 mm vs 73 mm
    Thinner
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Faster JPEG shooting
    8.9 fps vs 5.2 fps
    Faster JPEG shooting (burst mode)
  • Higher extended ISO
    25600 vs 6400 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • 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
  • 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

  • Focus peaking
    Neither provide
    Your camera will highlight what's in focus
  • 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 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
  • 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

User reviews

Buy From

Review Excerpt

  • Attractive body design; Well-built, weather-sealed body; Excellent image quality; Excellent image stabilization; Very fast autofocus.

  • Exposure compensation dial changes easily; Small buttons; No in-camera chromatic aberration correction; Bundled flash is weak; Video compression artifacts with rapidly-moving subjects.

The Competition

Compared to Olympus E-M1

Pentax K-7
Olympus E-M1
  • $1300
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $999
  • 4/3
  • Focus peaking
  • Touchscreen
Olympus E-M5
Olympus E-M1
  • $799
  • 4/3
  • Less expensive
  • Thinner
  • $999
  • 4/3
  • Focus peaking
  • Fast startup

Compared to Samsung GX-20

Pentax K-7
Samsung GX-20
  • $1300
  • APS-C
  • HDMI out
  • More dots on screen
  • $1400
  • APS-C
  • Higher effective ISO
Olympus E-M5
Samsung GX-20
  • $799
  • 4/3
  • Touchscreen
  • Tiltable Screen
  • $1400
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Sony DSLR-A380

Pentax K-7
Sony DSLR-A380
  • $1300
  • APS-C
  • Lens selection
  • Longer stills battery life
  • $849
  • APS-C
  • Less expensive
  • Tiltable Screen
Olympus E-M5
Sony DSLR-A380
  • $799
  • 4/3
  • Lens selection
  • Touchscreen
  • $849
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Sony A55

Pentax K-7
Sony A55
  • $1300
  • APS-C
  • Lens selection
  • Fast startup
  • $734
  • APS-C
  • Less expensive
  • In-camera panoramas
Olympus E-M5
Sony A55
  • $799
  • 4/3
  • Lens selection
  • Touchscreen
  • $734
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Panasonic G3

Pentax K-7
Panasonic G3
  • $1300
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization
  • $700
  • 4/3
  • Less expensive
  • Touchscreen
Olympus E-M5
Panasonic G3
  • $799
  • 4/3
  • In-Camera Image Stabilization
  • Higher effective ISO
  • $700
  • 4/3
  • Internal flash
  • More viewfinder magnification
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