• 35mm 861.6mm2
  • 42.4 megapixels
  • ISO 100 - 25,600
  • 35mm 861.6mm2
  • 36.4 megapixels
  • ISO 100 - 204,800

Buy From

Differences

Sony A7R II advantages over Pentax K-1

  • Shoot 4K video
    4K (UHD) vs 1080p
    Make sure you have a fast computer
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Thinner
    60 mm vs 85 mm
    Thinner
  • Lighter weight
    640g vs 1015g
    Lighter weight
  • More viewfinder magnification
    0.78x vs 0.70x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    42.4 vs 36.4 megapixels
    Higher resolution photos
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos

Pentax K-1 advantages over Sony A7R II

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • High resolution composite
    Yes vs No
    Combine multiple shots to form a super hi-res version
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Longer stills battery life
    More info 760 vs 340 shots
    Capture more photos
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • Less shutter lag
    0.09 vs 0.21 sec
    Focus and take a photo quickly (wide angle)
  • 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
  • Bigger JPEG buffer
    74 vs 23 shots
    Take more JPEG shots before waiting (burst mode)
  • Higher extended ISO
    204800 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
  • 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
  • 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
  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • Internal flash
    Neither provide
    Useful in a pinch for fill flash

User reviews

Buy From

Review Excerpt

  • Superb image quality; Very high resolution; Surprisingly good high ISO performance; Fast autofocus; Compact, comfortable body with lots of customization potential; Bright, roomy and clear viewfinder; Tilting LCD display; Five-axis stabilization; Intuitive Wi-Fi / NFC connectivity

  • Movie button is poorly located; No touch screen; Not as fast to start up or shoot photos as a similarly-priced SLR; Rather slow buffer clearing; No built-in flash; Single card slot; Not weather-sealed to the same degree as some rivals

  • 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 Sony A7R

Sony A7R II
Sony A7R
  • $2898
  • 35mm
  • In-Camera Image Stabilization
  • Shoot 4K video
  • $2149
  • 35mm
  • Less expensive
  • Lighter weight
Pentax K-1
Sony A7R
  • $1800
  • 35mm
  • Lens selection
  • In-Camera Image Stabilization
  • $2149
  • 35mm
  • In-camera panoramas
  • NFC

Compared to Canon 5DS

Sony A7R II
Canon 5DS
  • $2898
  • 35mm
  • Focus peaking
  • In-Camera Image Stabilization
  • $1299
  • 35mm
  • Lens selection
  • Less expensive
Pentax K-1
Canon 5DS
  • $1800
  • 35mm
  • Focus peaking
  • In-Camera Image Stabilization
  • $1299
  • 35mm
  • Fast startup
  • More cross-type AF points

Compared to Sony A9

Sony A7R II
Sony A9
  • $2898
  • 35mm
  • In-camera panoramas
  • More pixels
  • $3147
  • 35mm
  • Bigger pixels
  • Touchscreen
Pentax K-1
Sony A9
  • $1800
  • 35mm
  • Lens selection
  • High resolution composite
  • $3147
  • 35mm
  • Bigger pixels
  • Shoot 4K video

Compared to Sony A7R III

Sony A7R II
Sony A7R III
  • $2898
  • 35mm
  • In-camera panoramas
  • $2248
  • 35mm
  • Less expensive
  • Touchscreen
Pentax K-1
Sony A7R III
  • $1800
  • 35mm
  • Lens selection
  • Fast startup
  • $2248
  • 35mm
  • Shoot 4K video
  • Touchscreen

Compared to Pentax K-1 II

Sony A7R II
Pentax K-1 II
  • $2898
  • 35mm
  • Shoot 4K video
  • In-camera panoramas
  • $1747
  • 35mm
  • Lens selection
  • Less expensive
Pentax K-1
Pentax K-1 II
  • $1800
  • 35mm
  • $1747
  • 35mm
  • Higher extended ISO
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