• APS-C 366.6mm2
  • 24.4 megapixels
  • ISO 100 - 51,200
  • 1/2.3 inch 28.1mm2
  • 12.1 megapixels
  • 25.00mm - 600.00mm (35mm eq.)

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Differences

Pentax K-3 II advantages over Panasonic FZ300

  • Larger sensor
    APS-C vs 1/2.3 inch
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 3.91 vs 1.54 microns
    Better low-light and dynamic range (all else equal)
  • High resolution composite
    Yes vs No
    Combine multiple shots to form a super hi-res version
  • Better color depth
    23.6 vs 19.3 bits
    Capture richer, more accurate colors
  • Higher effective ISO
    1,106 vs 97 iso
    Take photos in low light with less noise
  • More dynamic range
    13.6 vs 11.0 evs
    Retain detail in highlight and shadows
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Longer stills battery life
    More info 720 vs 380 shots
    Capture more photos
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • Thinner
    77 mm vs 117 mm
    Thinner
  • More pixels
    24.4 vs 12.1 megapixels
    Higher resolution photos
  • 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 None
    Lets you choose sharper photos or reduced moiré
  • Higher extended ISO
    51200 vs 6400 ISO
    Higher extended ISO can give more low-light flexibility

Panasonic FZ300 advantages over Pentax K-3 II

  • Less expensive
    $398 vs $830
    Save money for lenses or accessories
  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • 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
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Higher max flash sync
    1/4000 vs 1/180 sec
    Reduce the effect of ambient light in flash shots
  • More viewfinder magnification
    0.70x vs 0.63x
    Get a bigger view of the scene through the eye-level viewfinder
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Faster JPEG shooting
    12.3 fps vs 8.1 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    Unlimited vs 60 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster RAW shooting
    12.4 fps vs 8.2 fps
    Faster RAW shooting in burst mode
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Faster shutter
    1/16000 vs 1/8000 sec
    Shoot wide open in bright light

Similarities

Common Strengths

  • Rear display
    Both provide
    Review photos on the back of the camera
  • 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
  • In-Camera Image Stabilization
    Both provide
    Reduces the effects of camera shake at slower shutter speeds
  • RAW file ability
    Both provide
    Gives you more flexibility to develop your photos later
  • Manual focus
    Both provide
    AF is for the weak. Real photographers focus manually.
  • 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

  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • Integrated ND filter
    Neither provide
    Shoot in daylight with a large aperture or slow shutter

User reviews

Buy From

Review Excerpt

  • Top-notch image quality; Spectacular detail from Pixel Shift Resolution; Better performance than K-3; Geotag images with no accessories; Great ergonomics in a compact body; Clever on-demand low-pass filtering; Broad sensitivity range; Large and bright viewfinder for an APS-C camera; Dual card slots

  • No built-in flash strobe; No wireless flash support out of the box; AstroTracer function can be finicky; AE Lock button is poorly located; Below-average battery life for a prosumer DSLR; Requires a different battery grip accessory than its predecessors

  • Good image quality for its class; Improved ergonomics; Impressive new EVF and rear display; Versatile 24-600mm equivalent f/2.8 lens; Faster autofocus performance; 4K video and 4K Photo features.

  • Bulky camera body; Excessive default noise reduction applied at lower ISOs; Continuous autofocus performance is inconsistent.

The Competition

Compared to Panasonic FZ200

Pentax K-3 II
Panasonic FZ200
  • $830
  • APS-C
  • Focus peaking
  • Larger sensor
  • $320
  • 1/2.3 inch
  • Less expensive
  • Tilt-swivel screen
Panasonic FZ300
Panasonic FZ200
  • $398
  • 1/2.3 inch
  • Focus peaking
  • Shoot 4K video
  • $320
  • 1/2.3 inch
  • Less expensive
  • Higher effective ISO

Compared to Fujifilm S8200

Pentax K-3 II
Fujifilm S8200
  • $830
  • APS-C
  • Focus peaking
  • Larger sensor
  • $450
  • 1/2.3 inch
  • Internal flash
  • Faster JPEG shooting
Panasonic FZ300
Fujifilm S8200
  • $398
  • 1/2.3 inch
  • Tilt-swivel screen
  • Focus peaking
  • $450
  • 1/2.3 inch
  • Slower slow-motion
  • More telephoto lens reach

Compared to Canon T6i

Pentax K-3 II
Canon T6i
  • $830
  • APS-C
  • Focus peaking
  • Larger sensor
  • $549
  • APS-C
  • Less expensive
  • Tilt-swivel screen
Panasonic FZ300
Canon T6i
  • $398
  • 1/2.3 inch
  • Focus peaking
  • Less expensive
  • $549
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Pentax KP

Pentax K-3 II
Pentax KP
  • $830
  • APS-C
  • Built-in GPS
  • Longer stills battery life
  • $747
  • APS-C
  • Tiltable Screen
  • Built-in Wi-Fi
Panasonic FZ300
Pentax KP
  • $398
  • 1/2.3 inch
  • Less expensive
  • Tilt-swivel screen
  • $747
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Canon T7i

Pentax K-3 II
Canon T7i
  • $830
  • APS-C
  • Focus peaking
  • Larger sensor
  • $699
  • APS-C
  • Tilt-swivel screen
  • Touchscreen
Panasonic FZ300
Canon T7i
  • $398
  • 1/2.3 inch
  • Less expensive
  • Focus peaking
  • $699
  • APS-C
  • Larger sensor
  • Bigger pixels
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