• Medium format 1,436.6mm2
  • 51.4 megapixels
  • ISO 100 - 204,800
  • 35mm 858.0mm2
  • 20.8 megapixels
  • ISO 100 - 102,400

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Differences

Pentax 645Z advantages over Nikon D6

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Larger sensor
    Medium format vs 35mm
    More sensor area. Bigger is (generally) better.
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • More pixels
    51.4 vs 20.8 megapixels
    Higher resolution photos
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos

Nikon D6 advantages over Pentax 645Z

  • Lens selection
    Excellent vs Limited
    Better lens selection gives you more options
  • Bigger pixels
    ~ 6.45 vs 5.31 microns
    Better low-light and dynamic range (all else equal)
  • Shoot 4K video
    4K (UHD) vs 1080p
    Make sure you have a fast computer
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Thinner
    92 mm vs 123 mm
    Thinner
  • More cross-type AF points
    99 vs 25
    Cross-type AF points improve autofocus performance
  • Higher max flash sync
    1/250 vs 1/125 sec
    Reduce the effect of ambient light in flash shots
  • Newer
    Brand new vs 6 years old
    Newer cameras often support more advanced features
  • Higher-res screen
    590k vs 346k pixels
    More detail on the screen lets you judge focus and composition
  • More AF points
    153 vs 27
    More AF points improve autofocus
  • 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
  • Longer exposure
    900 vs 30 sec
    Long exposures for night shots
  • Faster shutter
    1/8000 vs 1/4000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    327680 vs 204800 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
  • Top deck display
    Both provide
    Check settings with a screen on top of the camera
  • 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
  • Dual card slots
    Both provide
    Gives you more storage flexibility
  • 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 Image Stabilization
    Neither provide
    Reduces the effects of camera shake at slower shutter speeds
  • 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
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • Internal flash
    Neither provide
    Useful in a pinch for fill flash
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

Buy From

Review Excerpt

  • Phenomenal resolution and detail; Great high ISO performance; Rugged, weather-sealed body; Huge, bright viewfinder; Fast autofocus works well in low light; Swift performance for a medium-format camera; Good battery life; Shoots Full HD video

  • Quite bulky compared to an APS-C or full-frame DSLR; Autofocus points clustered near center of frame; Most lenses aren't weather-sealed or optimized for digital; Prone to aliasing artifacts (but so are most high-end cameras these days); Attracts a lot of attention from passers-by

The Competition

Compared to Pentax 645D

Pentax 645Z
Pentax 645D
  • $5006
  • Medium format
  • Focus peaking
  • Tiltable Screen
  • $3599
  • Medium format
  • Fast startup
  • Longer stills battery life
Nikon D6
Pentax 645D
  • $6500
  • 35mm
  • Lens selection
  • Less expensive
  • $3599
  • Medium format
  • Larger sensor
  • More pixels

Compared to Leica S (Typ 006)

Pentax 645Z
Leica S (Typ 006)
  • $5006
  • Medium format
  • Less expensive
  • Focus peaking
  • $12784
  • Medium format
  • Thinner
  • More viewfinder magnification
Nikon D6
Leica S (Typ 006)
  • $6500
  • 35mm
  • Lens selection
  • Shoot 4K video
  • $12784
  • Medium format
  • Larger sensor
  • More pixels

Compared to Leica S-E (Typ 006)

Pentax 645Z
Leica S-E (Typ 006)
  • $5006
  • Medium format
  • Focus peaking
  • Tiltable Screen
  • $16900
  • Medium format
  • Built-in GPS
  • Thinner
Nikon D6
Leica S-E (Typ 006)
  • $6500
  • 35mm
  • Lens selection
  • Less expensive
  • $16900
  • Medium format
  • Larger sensor
  • More pixels

Compared to Nikon D5

Pentax 645Z
Nikon D5
  • $5006
  • Medium format
  • Focus peaking
  • Larger sensor
  • $5497
  • 35mm
  • Lens selection
  • Bigger pixels
Nikon D6
Nikon D5
  • $6500
  • 35mm
  • Built-in Bluetooth
  • Built-in GPS
  • $5497
  • 35mm
  • Higher extended ISO

Compared to Canon 1DX Mark III

Pentax 645Z
Canon 1DX Mark III
  • $5006
  • Medium format
  • Less expensive
  • Focus peaking
  • $6499
  • 35mm
  • Lens selection
  • Bigger pixels
Nikon D6
Canon 1DX Mark III
  • $6500
  • 35mm
  • Longer exposure
  • $6499
  • 35mm
  • Built-in Wi-Fi
  • On-sensor phase detect
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