• APS-C 372.1mm2
  • 16.3 megapixels
  • ISO 100 - 51,200
  • 35mm 860.4mm2
  • 16.2 megapixels
  • ISO 100 - 25,600

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Differences

Pentax K-50 advantages over Nikon D4S

  • Less expensive
    $149 vs $5869*
    Save money for lenses or accessories
  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash

Nikon D4S advantages over Pentax K-50

  • Larger sensor
    35mm vs APS-C
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 7.31 vs 4.81 microns
    Better low-light and dynamic range (all else equal)
  • Higher effective ISO
    3,074 vs 1,120 iso
    Take photos in low light with less noise
  • Longer stills battery life
    More info 3020 vs 480 shots
    Capture more photos
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • More cross-type AF points
    15 vs 9
    Cross-type AF points improve autofocus performance
  • HDMI out
    HDMI out vs None
    Use HDMI output to monitor or review video
  • More viewfinder magnification
    0.70x vs 0.61x
    Get a bigger view of the scene through the eye-level viewfinder
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • More AF points
    51 vs 11
    More AF points improve autofocus
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Faster JPEG shooting
    10.6 fps vs 6.0 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    200 vs 30 shots
    Take more JPEG shots before waiting (burst mode)
  • Higher extended ISO
    409600 vs 51200 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
  • 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
  • Tiltable Screen
    Neither provide
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Neither provide
    Share your photos wirelessly
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • Built-in GPS
    Neither provide
    Geotag your photos
  • 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 K-50

Review Excerpt

  • Excellent, tank-like build quality; First-rate ergonomics a pro would expect; Superb performance with confident autofocus; Great image quality; Big, bright viewfinder with 100% coverage; Excellent battery life; Doubles as a powerful video capture tool

  • Fairly minor upgrade over the D4; Image quality improvements apply only to JPEG; XQD card format isn't broadly accepted; Consumer-friendly default JPEG processing may turn off some pros; Body is large and hefty (but that's normal for pro gear)

The Competition

Compared to Nikon D4

Pentax K-50
Nikon D4
  • $149
  • APS-C
  • Less expensive
  • Focus peaking
  • $5999
  • 35mm
  • Larger sensor
  • Bigger pixels
Nikon D4S
Nikon D4
  • $5869
  • 35mm
  • Fast startup
  • Newer
  • $5999
  • 35mm
  • Bigger JPEG buffer
  • Bigger RAW buffer

Compared to Canon EOS-1D C

Pentax K-50
Canon EOS-1D C
  • $149
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $6989
  • 35mm
  • Larger sensor
  • Bigger pixels
Nikon D4S
Canon EOS-1D C
  • $5869
  • 35mm
  • Higher extended ISO
  • $6989
  • 35mm
  • Shoot 4K video
  • More cross-type AF points

Compared to Sony A37

Pentax K-50
Sony A37
  • $149
  • APS-C
  • Lens selection
  • Higher effective ISO
  • $600
  • APS-C
  • In-camera panoramas
  • Tiltable Screen
Nikon D4S
Sony A37
  • $5869
  • 35mm
  • Lens selection
  • Larger sensor
  • $600
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization

Compared to Canon T5

Pentax K-50
Canon T5
  • $149
  • APS-C
  • Focus peaking
  • Larger sensor
  • $399
  • APS-C
  • HDMI out
  • Lighter weight
Nikon D4S
Canon T5
  • $5869
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $399
  • APS-C
  • Internal flash

Compared to Pentax K-S1

Pentax K-50
Pentax K-S1
  • $149
  • APS-C
  • Faster JPEG shooting
  • Bigger JPEG buffer
  • $399
  • APS-C
  • HDMI out
  • More pixels
Nikon D4S
Pentax K-S1
  • $5869
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $399
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
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