• APS-C 372.1mm2
  • 16.3 megapixels
  • ISO 100 - 51,200
  • 35mm 849.7mm2
  • 61.0 megapixels
  • ISO 100 - 32,000

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Differences

Pentax K-50 advantages over Sony A7R IV

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • Less expensive
    $149 vs $3498*
    Save money for lenses or accessories
  • Bigger pixels
    ~ 4.81 vs 3.76 microns
    Better low-light and dynamic range (all else equal)
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos

Sony A7R IV advantages over Pentax K-50

  • Larger sensor
    35mm vs APS-C
    More sensor area. Bigger is (generally) better.
  • 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
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • High resolution composite
    Yes vs No
    Combine multiple shots to form a super hi-res version
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Longer stills battery life
    More info 670 vs 480 shots
    Capture more photos
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Newer
    2 months vs 6 years old
    Newer cameras often support more advanced features
  • HDMI out
    HDMI out vs None
    Use HDMI output to monitor or review video
  • More viewfinder magnification
    0.78x vs 0.61x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    61.0 vs 16.3 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
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos
  • Faster JPEG shooting
    10.0 fps vs 6.0 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    70 vs 30 shots
    Take more JPEG shots before waiting (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Higher extended ISO
    102400 vs 51200 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
  • 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
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • Built-in GPS
    Neither provide
    Geotag your photos
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera

User reviews

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Your purchases support this site

Buy the Pentax K-50

Review Excerpt

The Competition

Compared to Sony A57

Pentax K-50
Sony A57
  • $306
  • APS-C
  • Lens selection
  • Higher effective ISO
  • $800
  • APS-C
  • In-camera panoramas
  • Tiltable Screen
Sony A7R IV
Sony A57
  • $3498
  • 35mm
  • Larger sensor
  • Shoot 4K video
  • $800
  • APS-C
  • Bigger pixels
  • In-camera panoramas

Compared to Sony A37

Pentax K-50
Sony A37
  • $306
  • APS-C
  • Lens selection
  • Higher effective ISO
  • $600
  • APS-C
  • In-camera panoramas
  • Tiltable Screen
Sony A7R IV
Sony A37
  • $3498
  • 35mm
  • Larger sensor
  • Shoot 4K video
  • $600
  • APS-C
  • Bigger pixels
  • In-camera panoramas

Compared to Pentax K-500

Pentax K-50
Pentax K-500
  • $306
  • APS-C
  • Less expensive
  • $597
  • APS-C
  • Longer stills battery life
Sony A7R IV
Pentax K-500
  • $3498
  • 35mm
  • Larger sensor
  • Shoot 4K video
  • $597
  • APS-C
  • Lens selection
  • Less expensive

Compared to Sony A7R III

Pentax K-50
Sony A7R III
  • $306
  • APS-C
  • Less expensive
  • Lens selection
  • $2798
  • 35mm
  • Larger sensor
  • Shoot 4K video
Sony A7R IV
Sony A7R III
  • $3498
  • 35mm
  • Fast startup
  • Newer
  • $2798
  • 35mm
  • Less expensive
  • Bigger pixels

Compared to Fujifilm GFX 50R

Pentax K-50
Fujifilm GFX 50R
  • $306
  • APS-C
  • Less expensive
  • In-Camera Image Stabilization
  • $3999
  • Medium format
  • Larger sensor
  • Touchscreen
Sony A7R IV
Fujifilm GFX 50R
  • $3498
  • 35mm
  • In-Camera Image Stabilization
  • Shoot 4K video
  • $3999
  • Medium format
  • Larger sensor
  • Bigger pixels
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