• 35mm 858.0mm2
  • 45.7 megapixels
  • ISO 64 - 25,600
  • APS-C 361.2mm2
  • 25.7 megapixels
  • ISO 100 - 1,600,000

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Differences

Nikon Z7 advantages over Pentax K-3 III

  • Larger sensor
    35mm vs APS-C
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 4.35 vs 3.76 microns
    Better low-light and dynamic range (all else equal)
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • More pixels
    45.7 vs 25.7 megapixels
    Higher resolution photos
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos

Pentax K-3 III advantages over Nikon Z7

  • Less expensive
    $2344 vs $3097
    Save money for lenses or accessories
  • High resolution composite
    Yes vs No
    Combine multiple shots to form a super hi-res version
  • Longer stills battery life
    More info 800 vs 400 shots
    Capture more photos
  • Newer
    4 years vs 6 years old
    Newer cameras often support more advanced features
  • More viewfinder magnification
    1.05x vs 0.80x
    Get a bigger view of the scene through the eye-level viewfinder
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • Optional anti-aliasing filter
    Optional vs None
    Lets you choose sharper photos or reduced moiré
  • Faster JPEG shooting
    12.0 fps vs 9.0 fps
    Faster JPEG shooting (burst mode)
  • Higher extended ISO
    1600000 vs 102400 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
  • 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
  • Shoot 4K video
    Both provide
    Make sure you have a fast computer
  • Touchscreen
    Both provide
    Interact with your camera just like your smartphone
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • Built-in Bluetooth
    Both provide
    Always-on wireless connectivity
  • 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
  • Headphone jack
    Both provide
    Monitor audio recording while you shoot video
  • 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
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • Built-in GPS
    Neither provide
    Geotag your photos
  • Internal flash
    Neither provide
    Useful in a pinch for fill flash

User reviews

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Buy the Pentax K-3 III
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  • Body Only
  • Kit with 20-40mm F2.8-4 Lens
  • Kit with 55-300mm f/4.5-6.3 Lens
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Review Excerpt

  • Familiar design in a compact form; Rugged build quality; Gorgeous EVF; Excellent image quality; Good autofocus; In-body image stabilization; Good 4K video recording.

  • Single card slot; Not as good at subject tracking as some Nikon DSLR cameras; Limited native lens selection (although adapter works well); Limited buffer depths.

  • Read our Nikon Z7 Review

The Competition

Compared to Pentax KP

Nikon Z7
Pentax KP
  • $2147
  • 35mm
  • Larger sensor
  • Shoot 4K video
  • $999
  • APS-C
  • Less expensive
  • High resolution composite

Compare Nikon Z7 vs Pentax KP

Pentax K-3 III
Pentax KP
  • $1764
  • APS-C
  • Shoot 4K video
  • Touchscreen
  • $999
  • APS-C
  • Less expensive
  • Tiltable Screen

Compare Pentax K-3 III vs Pentax KP

Compared to Sony A7 III

Nikon Z7
Sony A7 III
  • $2147
  • 35mm
  • Top deck display
  • More dots on screen
  • $1648
  • 35mm
  • Less expensive
  • Bigger pixels

Compare Nikon Z7 vs Sony A7 III

Pentax K-3 III
Sony A7 III
  • $1764
  • APS-C
  • Lens selection
  • High resolution composite
  • $1648
  • 35mm
  • Less expensive
  • Larger sensor

Compare Pentax K-3 III vs Sony A7 III

Compared to Nikon Z6

Nikon Z7
Nikon Z6
  • $2147
  • 35mm
  • More pixels
  • Lacks anti-aliasing filter
  • $1396
  • 35mm
  • Less expensive
  • Bigger pixels

Compare Nikon Z7 vs Nikon Z6

Pentax K-3 III
Nikon Z6
  • $1764
  • APS-C
  • High resolution composite
  • Longer stills battery life
  • $1396
  • 35mm
  • Less expensive
  • Larger sensor

Compare Pentax K-3 III vs Nikon Z6

Compared to Canon EOS R

Nikon Z7
Canon EOS R
  • $2147
  • 35mm
  • In-Camera Image Stabilization
  • Fast startup
  • $1499
  • 35mm
  • Less expensive
  • Tilt-swivel screen

Compare Nikon Z7 vs Canon EOS R

Pentax K-3 III
Canon EOS R
  • $1764
  • APS-C
  • In-Camera Image Stabilization
  • High resolution composite
  • $1499
  • 35mm
  • Larger sensor
  • Tilt-swivel screen

Compare Pentax K-3 III vs Canon EOS R

Compared to Canon 90D

Nikon Z7
Canon 90D
  • $2147
  • 35mm
  • Focus peaking
  • Larger sensor
  • $1099
  • APS-C
  • Less expensive
  • Tilt-swivel screen

Compare Nikon Z7 vs Canon 90D

Pentax K-3 III
Canon 90D
  • $1764
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $1099
  • APS-C
  • Less expensive
  • Tilt-swivel screen

Compare Pentax K-3 III vs Canon 90D

Compare Other Cameras?