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

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Differences

Sony NEX-F3 advantages over Pentax K-3 III

  • Bigger pixels
    ~ 4.78 vs 3.76 microns
    Better low-light and dynamic range (all else equal)
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Thinner
    41 mm vs 73 mm
    Thinner

Pentax K-3 III advantages over Sony NEX-F3

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Eye-level viewfinder
    Eye-level vs Rear display only
    You'll be able to frame photos even when the sun is out
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • 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
  • 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
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • Longer stills battery life
    More info 800 vs 470 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
  • Newer
    4 years vs 12 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 pixels
    25.7 vs 16.1 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • 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 JPEG shooting
    12.0 fps vs 5.5 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    30 vs 12 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster shutter
    1/8000 vs 1/4000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    1600000 vs 16000 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • 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

  • 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

Your purchases support this site

Buy the Pentax K-3 III

Review Excerpt

  • Great image quality; Above-average battery life for a mirrorless camera; Makes light work of shooting self-portraits; Very versatile video mode for a camera of this class.

  • Built-in flash is weak and uneven; Grip feels cramped due to low shutter button position; Bundled kit lens turns in a mediocre performance, and body isn't sold without the lens.

The Competition

Compared to Sony NEX-5N

Sony NEX-F3
Sony NEX-5N
  • $600
  • APS-C
  • Less expensive
  • Internal flash
  • $700
  • APS-C
  • Shoots 60p video
  • Faster JPEG shooting
Pentax K-3 III
Sony NEX-5N
  • $1847
  • APS-C
  • Lens selection
  • Focus peaking
  • $700
  • APS-C
  • Bigger pixels
  • In-camera panoramas

Compared to Sony NEX-5R

Sony NEX-F3
Sony NEX-5R
  • $600
  • APS-C
  • Less expensive
  • Higher effective ISO
  • $499
  • APS-C
  • Focus peaking
  • Touchscreen
Pentax K-3 III
Sony NEX-5R
  • $1847
  • APS-C
  • Lens selection
  • Eye-level viewfinder
  • $499
  • APS-C
  • Bigger pixels
  • In-camera panoramas

Compared to Sony NEX-6

Sony NEX-F3
Sony NEX-6
  • $600
  • APS-C
  • Less expensive
  • Fast startup
  • $549
  • APS-C
  • Focus peaking
  • Eye-level viewfinder
Pentax K-3 III
Sony NEX-6
  • $1847
  • APS-C
  • Lens selection
  • In-Camera Image Stabilization
  • $549
  • APS-C
  • Bigger pixels
  • In-camera panoramas

Compared to Pentax KP

Sony NEX-F3
Pentax KP
  • $600
  • APS-C
  • Bigger pixels
  • In-camera panoramas
  • $999
  • APS-C
  • Lens selection
  • Focus peaking
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 NEX-F3
Canon 90D
  • $600
  • APS-C
  • Bigger pixels
  • In-camera panoramas
  • $1099
  • APS-C
  • Lens selection
  • Tilt-swivel screen
Pentax K-3 III
Canon 90D
  • $1847
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $1099
  • APS-C
  • Less expensive
  • Tilt-swivel screen
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