• APS-C 366.6mm2
  • 20.1 megapixels
  • ISO 100 - 51,200
  • APS-C 366.6mm2
  • 24.2 megapixels
  • ISO 100 - 25,600

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Differences

Pentax K-S1 advantages over Sony A6300

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Longer stills battery life
    More info 480 vs 400 shots
    Capture more photos
  • 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

Sony A6300 advantages over Pentax K-S1

  • 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
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Higher effective ISO
    1,437 vs 1,061 iso
    Take photos in low light with less noise
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Thinner
    48 mm vs 69 mm
    Thinner
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Lighter weight
    520g vs 765g
    Lighter weight
  • More viewfinder magnification
    0.70x vs 0.63x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    24.2 vs 20.1 megapixels
    Higher resolution photos
  • Wider angle kit lens
    24 mm vs 27 mm
    Capture more of the scene with the included lens
  • Faster JPEG shooting
    11.1 fps vs 5.4 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    44 vs 20 shots
    Take more JPEG shots before waiting (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos

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
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • 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

  • 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
  • Built-in GPS
    Neither provide
    Geotag your photos
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera
  • Dual card slots
    Neither provide
    Gives you more storage flexibility
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video

User reviews

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Your purchases support this site

Buy the Pentax K-S1

Your purchases support this site

Buy the Sony A6300

Review Excerpt

  • Excellent image quality; Improved high-ISO performance; Better JPEG quality; Fast autofocus; Very good subject tracking with real-time live view feature; All-magnesium body construction; 4K video.

  • Slow buffer clearing (no UHS-II support); No touchscreen, Clunky menus; Wi-Fi can be a bit frustrating to use.

The Competition

Compared to Sony A58

Pentax K-S1
Sony A58
  • $502
  • APS-C
  • Lens selection
  • Higher effective ISO
  • $598
  • APS-C
  • Less expensive
  • In-camera panoramas
Sony A6300
Sony A58
  • $748
  • APS-C
  • Shoot 4K video
  • Fast startup
  • $598
  • APS-C
  • In-Camera Image Stabilization
  • Longer stills battery life

Compared to Sony A6000

Pentax K-S1
Sony A6000
  • $502
  • APS-C
  • Lens selection
  • In-Camera Image Stabilization
  • $674
  • APS-C
  • In-camera panoramas
  • Tiltable Screen
Sony A6300
Sony A6000
  • $748
  • APS-C
  • Shoot 4K video
  • Fast startup
  • $674
  • APS-C
  • Less expensive

Compared to Nikon D5500

Pentax K-S1
Nikon D5500
  • $502
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $697
  • APS-C
  • Tilt-swivel screen
  • Touchscreen
Sony A6300
Nikon D5500
  • $748
  • APS-C
  • Focus peaking
  • Shoot 4K video
  • $697
  • APS-C
  • Lens selection
  • Less expensive

Compared to Pentax K-S2

Pentax K-S1
Pentax K-S2
  • $502
  • APS-C
  • Higher-res screen
  • $499
  • APS-C
  • Tilt-swivel screen
  • Built-in Wi-Fi
Sony A6300
Pentax K-S2
  • $748
  • APS-C
  • Shoot 4K video
  • In-camera panoramas
  • $499
  • APS-C
  • Lens selection
  • Tilt-swivel screen

Compared to Fujifilm X-A3

Pentax K-S1
Fujifilm X-A3
  • $502
  • APS-C
  • Lens selection
  • Eye-level viewfinder
  • $549
  • APS-C
  • Touchscreen
  • In-camera panoramas
Sony A6300
Fujifilm X-A3
  • $748
  • APS-C
  • Eye-level viewfinder
  • Shoot 4K video
  • $549
  • APS-C
  • Less expensive
  • Touchscreen
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