• APS-C 366.6mm2
  • 24.2 megapixels
  • ISO 100 - 102,400
  • 4/3 226.2mm2
  • 20.4 megapixels
  • ISO 200 - 25,600

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Differences

Pentax K-70 advantages over Olympus E-M1 II

  • Less expensive
    $797 vs $1699*
    Save money for lenses or accessories
  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 3.92 vs 3.36 microns
    Better low-light and dynamic range (all else equal)
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • More pixels
    24.2 vs 20.4 megapixels
    Higher resolution photos
  • Optional anti-aliasing filter
    Optional vs None
    Lets you choose sharper photos or reduced moiré
  • Higher extended ISO
    102400 vs 25600 ISO
    Higher extended ISO can give more low-light flexibility

Olympus E-M1 II advantages over Pentax K-70

  • Shoot 4K video
    4K (DCI) vs 1080p
    Make sure you have a fast computer
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • More viewfinder magnification
    0.74x vs 0.63x
    Get a bigger view of the scene through the eye-level viewfinder
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Faster JPEG shooting
    60.6 fps vs 6.1 fps
    Faster JPEG shooting (burst mode)
  • Faster RAW shooting
    60.6 fps vs 6.1 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    51 vs 11 shots
    Larger buffer for RAW shots (burst mode)
  • Faster shutter
    1/32000 vs 1/6000 sec
    Shoot wide open in bright light

Similarities

Common Strengths

  • Focus peaking
    Both provide
    Your camera will highlight what's in focus
  • Tilt-swivel screen
    Both provide
    Tilt and swivel the screen for maximum shooting flexibility
  • 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
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • On-sensor phase detect
    Both provide
    Usually improves live view and video AF performance
  • 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

  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • 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
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

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Your purchases support this site

Buy the Pentax K-70

Review Excerpt

  • Huge bang for the buck; Great image quality; Excellent high ISO performance; Fast autofocus; Good burst frame rate with deep buffer; Pentaprism viewfinder; Twin control dials; Articulated LCD; Comprehensive weather-sealing and freeze-proofing; Unbelievable wealth of rare to unique (yet very useful) features

  • Wi-Fi wireless communication is slow, clumsy and unintuitive; Video autofocus is prone to hunting or racking focus; Slow buffer clearing; Rather heavy for an entry-level DSLR; Autofocus and metering systems are a bit dated; Below average battery life

  • Excellent image quality; Very good dynamic range & high ISO performance; Fantastic C-AF performance; Incredible burst rates, even with RAW; 4K UHD & Cinema 4K (DCI) video; Clean HDMI; Dual SD card slots.

  • Expensive; Menus still confusing; UHS-II support only on one card slot; No optical low-pass filter means greater risk of moire; No built-in flash.

The Competition

Compared to Fujifilm X-T2

Pentax K-70
Fujifilm X-T2
  • $595
  • APS-C
  • Lens selection
  • Less expensive
  • $1099
  • APS-C
  • Shoot 4K video
  • In-camera panoramas
Olympus E-M1 II
Fujifilm X-T2
  • $1699
  • 4/3
  • Lens selection
  • Tilt-swivel screen
  • $1099
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Canon T6s

Pentax K-70
Canon T6s
  • $595
  • APS-C
  • Less expensive
  • Focus peaking
  • $649
  • APS-C
  • Touchscreen
  • NFC
Olympus E-M1 II
Canon T6s
  • $1699
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization
  • $649
  • APS-C
  • Less expensive
  • Larger sensor

Compared to Nikon D7200

Pentax K-70
Nikon D7200
  • $595
  • APS-C
  • Focus peaking
  • Less expensive
  • $697
  • APS-C
  • Fast startup
  • NFC
Olympus E-M1 II
Nikon D7200
  • $1699
  • 4/3
  • Tilt-swivel screen
  • Focus peaking
  • $697
  • APS-C
  • Less expensive
  • Larger sensor

Compared to Panasonic GH5

Pentax K-70
Panasonic GH5
  • $595
  • APS-C
  • Less expensive
  • Larger sensor
  • $1498
  • 4/3
  • Shoot 4K video
  • Touchscreen
Olympus E-M1 II
Panasonic GH5
  • $1699
  • 4/3
  • High resolution composite
  • Higher effective ISO
  • $1498
  • 4/3
  • Built-in Bluetooth
  • Bigger JPEG buffer

Compared to Canon 77D

Pentax K-70
Canon 77D
  • $595
  • APS-C
  • Focus peaking
  • Larger sensor
  • $699
  • APS-C
  • Touchscreen
  • Fast startup
Olympus E-M1 II
Canon 77D
  • $1699
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization
  • $699
  • APS-C
  • Less expensive
  • Larger sensor
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