• APS-C 366.6mm2
  • 24.2 megapixels
  • ISO 100 - 102,400
  • Medium format 2,169.5mm2
  • 101.1 megapixels
  • ISO 50 - 12,800

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Differences

Pentax K-70 advantages over Phase One XF 100MP

  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • 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
    ~1.00 vs 10.0 sec
    Faster startup lets you catch the moment
  • 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
    74 mm vs 160 mm
    Thinner
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • Shoots 1080p video
    Yes vs No
    You'll want this if you shoot video
  • Less shutter lag
    0.13 vs 0.33 sec
    Focus and take a photo quickly (wide angle)
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Optional anti-aliasing filter
    Optional vs None
    Lets you choose sharper photos or reduced moiré
  • Faster RAW shooting
    6.1 fps vs 0.6 fps
    Faster RAW shooting in burst mode
  • Faster shutter
    1/6000 vs 1/4000 sec
    Shoot wide open in bright light

Phase One XF 100MP advantages over Pentax K-70

  • Larger sensor
    Medium format vs APS-C
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 4.63 vs 3.92 microns
    Better low-light and dynamic range (all else equal)
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • More pixels
    101.1 vs 24.2 megapixels
    Higher resolution photos
  • Longer exposure
    3600 vs 30 sec
    Long exposures for night shots
  • Bigger RAW buffer
    Unlimited vs 11 shots
    Larger buffer for RAW shots (burst mode)

Similarities

Common Strengths

  • Focus peaking
    Both provide
    Your camera will highlight what's in focus
  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • Pentaprism viewfinder
    Both provide
    Much better viewfinder picture fidelity
  • 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
  • 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

  • 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

The Competition

Compared to Pentax 645Z

Pentax K-70
Pentax 645Z
  • $597
  • APS-C
  • Lens selection
  • Less expensive
  • $4845
  • Medium format
  • Larger sensor
  • Bigger pixels
Phase One XF 100MP
Pentax 645Z
  • $48990
  • Medium format
  • Larger sensor
  • Touchscreen
  • $4845
  • Medium format
  • Tiltable Screen
  • Fast startup

Compared to Leica S (Typ 007)

Pentax K-70
Leica S (Typ 007)
  • $597
  • APS-C
  • Lens selection
  • Tilt-swivel screen
  • $19995
  • Medium format
  • Larger sensor
  • Bigger pixels
Phase One XF 100MP
Leica S (Typ 007)
  • $48990
  • Medium format
  • Larger sensor
  • Touchscreen
  • $19995
  • Medium format
  • Less expensive
  • Bigger pixels

Compared to Canon T6s

Pentax K-70
Canon T6s
  • $597
  • APS-C
  • Focus peaking
  • Larger sensor
  • $619
  • APS-C
  • Touchscreen
  • NFC
Phase One XF 100MP
Canon T6s
  • $48990
  • Medium format
  • Focus peaking
  • Larger sensor
  • $619
  • APS-C
  • Tilt-swivel screen
  • Fast startup

Compared to Canon 77D

Pentax K-70
Canon 77D
  • $597
  • APS-C
  • Focus peaking
  • Larger sensor
  • $550
  • APS-C
  • Touchscreen
  • Fast startup
Phase One XF 100MP
Canon 77D
  • $48990
  • Medium format
  • Focus peaking
  • Larger sensor
  • $550
  • APS-C
  • Tilt-swivel screen
  • Fast startup

Compared to Nikon D7500

Pentax K-70
Nikon D7500
  • $597
  • APS-C
  • Focus peaking
  • Less expensive
  • $864
  • APS-C
  • Shoot 4K video
  • Touchscreen
Phase One XF 100MP
Nikon D7500
  • $48990
  • Medium format
  • Focus peaking
  • Larger sensor
  • $864
  • APS-C
  • Shoot 4K video
  • Tiltable Screen
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