• 35mm 861.6mm2
  • 36.4 megapixels
  • ISO 100 - 204,800
  • APS-C 366.6mm2
  • 24.3 megapixels
  • ISO 100 - 819,200

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Differences

Pentax K-1 advantages over Pentax KP

  • Larger sensor
    35mm vs APS-C
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 4.88 vs 3.91 microns
    Better low-light and dynamic range (all else equal)
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Longer stills battery life
    More info 760 vs 390 shots
    Capture more photos
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • HDMI out
    HDMI out vs None
    Use an external screen to monitor or review video
  • More viewfinder magnification
    0.70x vs 0.63x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    36.4 vs 24.3 megapixels
    Higher resolution photos
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Bigger JPEG buffer
    74 vs 35 shots
    Take more JPEG shots before waiting (burst mode)
  • Bigger RAW buffer
    17 vs 10 shots
    Larger buffer for RAW shots (burst mode)

Pentax KP advantages over Pentax K-1

  • Less expensive
    $870 vs $1897
    Save money for lenses or accessories
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Newer
    9 months vs 20 months old
    Newer cameras often support more advanced features
  • Lighter weight
    699g vs 1015g
    Lighter weight
  • Faster JPEG shooting
    7.1 fps vs 4.6 fps
    Faster JPEG shooting (burst mode)
  • Faster RAW shooting
    7.0 fps vs 4.6 fps
    Faster RAW shooting in burst mode
  • Faster shutter
    1/24000 vs 1/8000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    819200 vs 204800 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
  • Tiltable Screen
    Both provide
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • External Mic Jack
    Both provide
    Improved sound fidelity when shooting video
  • Pentaprism viewfinder
    Both provide
    Much better viewfinder picture fidelity
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities
  • 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
  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • 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
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

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Your purchases support this site

Buy the Pentax KP

Review Excerpt

  • Unlocks the full potential of full-frame Pentax lenses; Excellent image quality; Great ergonomics and build; Very compact for full-frame; Decent performance; Fast autofocus with great low-light capabilities; Very wide sensitivity range; Bright, accurate viewfinder; Articulated LCD; Stabilization, Wi-Fi and GPS in-camera

  • No built-in flash strobe; Quite heavy compared to APS-C flagships; Somewhat soft images and blown highlights by default in JPEG mode; Warm Auto white balance indoors; Slow startup and buffer clearing; Small top-deck status display; Weak viewfinder illumination; Below-average battery life for DSLR

The Competition

Compared to Canon 5DS

Pentax K-1
Canon 5DS
  • $1897
  • 35mm
  • Focus peaking
  • Less expensive
  • $3499
  • 35mm
  • Fast startup
  • More cross-type AF points
Pentax KP
Canon 5DS
  • $876
  • APS-C
  • Focus peaking
  • Less expensive
  • $3499
  • 35mm
  • Larger sensor
  • Fast startup

Compared to Canon 5D Mark IV

Pentax K-1
Canon 5D Mark IV
  • $1897
  • 35mm
  • Less expensive
  • Focus peaking
  • $3199
  • 35mm
  • Shoot 4K video
  • Touchscreen
Pentax KP
Canon 5D Mark IV
  • $876
  • APS-C
  • Less expensive
  • Focus peaking
  • $3199
  • 35mm
  • Larger sensor
  • Bigger pixels

Compared to Sony A99 II

Pentax K-1
Sony A99 II
  • $1897
  • 35mm
  • Lens selection
  • Less expensive
  • $3198
  • 35mm
  • Tilt-swivel screen
  • Shoot 4K video
Pentax KP
Sony A99 II
  • $876
  • APS-C
  • Lens selection
  • Less expensive
  • $3198
  • 35mm
  • Tilt-swivel screen
  • Larger sensor

Compared to Nikon D5600

Pentax K-1
Nikon D5600
  • $1897
  • 35mm
  • Focus peaking
  • Larger sensor
  • $647
  • APS-C
  • Less expensive
  • Tilt-swivel screen
Pentax KP
Nikon D5600
  • $876
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $647
  • APS-C
  • Tilt-swivel screen
  • Touchscreen

Compared to Canon T7i

Pentax K-1
Canon T7i
  • $1897
  • 35mm
  • Focus peaking
  • Larger sensor
  • $749
  • APS-C
  • Less expensive
  • Tilt-swivel screen
Pentax KP
Canon T7i
  • $876
  • APS-C
  • Focus peaking
  • Larger sensor
  • $749
  • APS-C
  • Tilt-swivel screen
  • Touchscreen
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