• 35mm 861.6mm2
  • 24.3 megapixels
  • ISO 100 - 12,800
  • APS-C 366.6mm2
  • 20.1 megapixels
  • ISO 100 - 51,200

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Differences

Nikon D750 advantages over Pentax K-S2

  • Larger sensor
    35mm vs APS-C
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 5.97 vs 4.29 microns
    Better low-light and dynamic range (all else equal)
  • Fast startup
    ~0.50 vs 1.0 sec
    Faster startup lets you catch the moment
  • Longer stills battery life
    More info 1230 vs 410 shots
    Capture more photos
  • More telephoto lens reach
    120 mm vs 75 mm
    Capture objects farther away with the kit lens
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • More cross-type AF points
    15 vs 9
    Cross-type AF points improve autofocus performance
  • Higher-res screen
    307k vs 230k pixels
    More detail on the screen lets you judge focus and composition
  • More viewfinder magnification
    0.70x vs 0.63x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    24.3 vs 20.1 megapixels
    Higher resolution photos
  • 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
  • Wider angle kit lens
    24 mm vs 27 mm
    Capture more of the scene with the included lens
  • Faster JPEG shooting
    6.6 fps vs 5.2 fps
    Faster JPEG shooting (burst mode)
  • Faster RAW shooting
    6.6 fps vs 5.2 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    14 vs 9 shots
    Larger buffer for RAW shots (burst mode)

Pentax K-S2 advantages over Nikon D750

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Tilt-swivel screen
    Tilt-swivel vs tilt-only
    Tilt and swivel the screen for maximum shooting flexibility
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Lighter weight
    859g vs 1550g
    Lighter weight
  • Less shutter lag
    0.12 vs 0.21 sec
    Focus and take a photo quickly (wide angle)
  • Optional anti-aliasing filter
    Optional vs Fixed
    Lets you choose sharper photos or reduced moiré
  • Faster shutter
    1/6000 vs 1/4000 sec
    Shoot wide open in bright light

Similarities

Common Strengths

  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • External Mic Jack
    Both provide
    Improved sound fidelity when shooting video
  • Pentaprism viewfinder
    Both provide
    Much better viewfinder picture fidelity
  • HDMI out
    Both provide
    Use HDMI output to monitor or review video
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures

Common Weaknesses

  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • 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

Buy From

Your purchases support this site

Buy the Pentax K-S2

Review Excerpt

  • Outstanding image quality with great dynamic range and high ISO performance; Class-leading burst rate; Very good 51-pt AF system; AF system works in very low light; Deep, comfortable handgrip; Articulated LCD monitor; Excellent battery life; Uncompressed 4:2:2 HDMI video output; Built-in Wi-Fi.

  • Buffer fills quickly with 14-bit RAW; Sluggish Live View AF; Shutter speed tops out at 1/4000s; OVF coverage closer to 97%; Weak low-pass filter is great for detail but higher risk of moire.

  • Very compact for a weather-sealed DSLR; Good ergonomics and great viewfinder; Excellent image quality; Decent performance for its class; Articulated screen is great for difficult compositions; Offers features not found in other Pentax DSLRs

  • 18-50mm kit lens is fiddly and prone to jamming when retracted; Wi-Fi is slow and unintuitive; Slow startup; Limited movie mode; Poor battery life for a DSLR; Priced too close to its enthusiast-grade sibling

The Competition

Compared to Nikon D600

Nikon D750
Nikon D600
  • $1700
  • 35mm
  • Tiltable Screen
  • Built-in Wi-Fi
  • $1900
  • 35mm
  • Fast startup
Pentax K-S2
Nikon D600
  • $499
  • APS-C
  • Focus peaking
  • Less expensive
  • $1900
  • 35mm
  • Larger sensor
  • Bigger pixels

Compared to Canon 6D

Nikon D750
Canon 6D
  • $1700
  • 35mm
  • Tiltable Screen
  • Higher effective ISO
  • $1499
  • 35mm
  • Less expensive
  • Built-in GPS
Pentax K-S2
Canon 6D
  • $499
  • APS-C
  • Focus peaking
  • Tilt-swivel screen
  • $1499
  • 35mm
  • Larger sensor
  • Bigger pixels

Compared to Pentax K-500

Nikon D750
Pentax K-500
  • $1700
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $597
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
Pentax K-S2
Pentax K-500
  • $499
  • APS-C
  • Tilt-swivel screen
  • Built-in Wi-Fi
  • $597
  • APS-C
  • Less expensive
  • Longer stills battery life

Compared to Nikon D610

Nikon D750
Nikon D610
  • $1700
  • 35mm
  • Tiltable Screen
  • Built-in Wi-Fi
  • $1196
  • 35mm
  • Fast startup
Pentax K-S2
Nikon D610
  • $499
  • APS-C
  • Tilt-swivel screen
  • Focus peaking
  • $1196
  • 35mm
  • Larger sensor
  • Bigger pixels

Compared to Pentax K-S1

Nikon D750
Pentax K-S1
  • $1700
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $502
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
Pentax K-S2
Pentax K-S1
  • $499
  • APS-C
  • Tilt-swivel screen
  • Built-in Wi-Fi
  • $502
  • APS-C
  • Higher-res screen
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