• APS-C 366.6mm2
  • 24.2 megapixels
  • ISO 100 - 25,600
  • APS-C 361.2mm2
  • 25.7 megapixels
  • ISO 100 - 1,600,000

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Differences

Sony A6300 advantages over Pentax K-3 III

  • Less expensive
    $848 vs $2344
    Save money for lenses or accessories
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • 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
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Thinner
    48 mm vs 73 mm
    Thinner
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos

Pentax K-3 III 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
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • High resolution composite
    Yes vs No
    Combine multiple shots to form a super hi-res version
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • Longer stills battery life
    More info 800 vs 400 shots
    Capture more photos
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • Newer
    3 years vs 8 years old
    Newer cameras often support more advanced features
  • Higher-res screen
    540k vs 307k pixels
    More detail on the screen lets you judge focus and composition
  • More viewfinder magnification
    1.05x vs 0.70x
    Get a bigger view of the scene through the eye-level viewfinder
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Optional anti-aliasing filter
    Optional vs Fixed
    Lets you choose sharper photos or reduced moiré
  • Faster shutter
    1/8000 vs 1/4000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    1600000 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
  • Shoot 4K video
    Both provide
    Make sure you have a fast computer
  • 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
  • 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
  • Built-in GPS
    Neither provide
    Geotag your photos

User reviews

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Your purchases support this site

Buy the Sony A6300

Your purchases support this site

Buy the Pentax K-3 III

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 A6000

Sony A6300
Sony A6000
  • $846
  • APS-C
  • Shoot 4K video
  • Fast startup
  • $548
  • APS-C
  • Less expensive
Pentax K-3 III
Sony A6000
  • $1847
  • APS-C
  • Lens selection
  • In-Camera Image Stabilization
  • $548
  • APS-C
  • Less expensive
  • In-camera panoramas

Compared to Fujifilm X-A3

Sony A6300
Fujifilm X-A3
  • $846
  • APS-C
  • Eye-level viewfinder
  • Shoot 4K video
  • $549
  • APS-C
  • Less expensive
  • Touchscreen
Pentax K-3 III
Fujifilm X-A3
  • $1847
  • APS-C
  • Lens selection
  • Eye-level viewfinder
  • $549
  • APS-C
  • Less expensive
  • In-camera panoramas

Compared to Sony A6500

Sony A6300
Sony A6500
  • $846
  • APS-C
  • Less expensive
  • $1198
  • APS-C
  • In-Camera Image Stabilization
  • Touchscreen
Pentax K-3 III
Sony A6500
  • $1847
  • APS-C
  • Lens selection
  • High resolution composite
  • $1198
  • APS-C
  • Less expensive
  • In-camera panoramas

Compared to Pentax KP

Sony A6300
Pentax KP
  • $846
  • APS-C
  • Less expensive
  • Shoot 4K video
  • $999
  • APS-C
  • Lens selection
  • In-Camera Image Stabilization
Pentax K-3 III
Pentax KP
  • $1847
  • APS-C
  • Shoot 4K video
  • Touchscreen
  • $999
  • APS-C
  • Less expensive
  • Tiltable Screen

Compared to Canon 90D

Sony A6300
Canon 90D
  • $846
  • APS-C
  • Focus peaking
  • Less expensive
  • $1199
  • APS-C
  • Tilt-swivel screen
  • Lens selection
Pentax K-3 III
Canon 90D
  • $1847
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $1199
  • APS-C
  • Less expensive
  • Tilt-swivel screen
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