• APS-C 366.6mm2
  • 24.4 megapixels
  • ISO 100 - 51,200
  • 35mm 864.0mm2
  • 61.0 megapixels
  • ISO 100 - 25,600

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Differences

Pentax K-3 II advantages over Sigma fp L

  • Eye-level viewfinder
    Eye-level vs Rear display only
    You'll be able to frame photos even when the sun is out
  • High resolution composite
    Yes vs No
    Combine multiple shots to form a super hi-res version
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Longer stills battery life
    More info 720 vs 240 shots
    Capture more photos
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • Higher max flash sync
    1/180 vs 1/15 sec
    Reduce the effect of ambient light in flash shots
  • 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
  • Bigger JPEG buffer
    60 vs 12 shots
    Take more JPEG shots before waiting (burst mode)

Sigma fp L advantages over Pentax K-3 II

  • Larger sensor
    35mm vs APS-C
    More sensor area. Bigger is (generally) better.
  • 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
  • Thinner
    45 mm vs 77 mm
    Thinner
  • Newer
    4 years vs 10 years old
    Newer cameras often support more advanced features
  • Lighter weight
    427g vs 785g
    Lighter weight
  • More dots on screen
    2100k vs 1037k dots
    Can mean greater resolution or a brighter screen
  • More pixels
    61.0 vs 24.4 megapixels
    Higher resolution photos
  • Faster JPEG shooting
    10.0 fps vs 8.1 fps
    Faster JPEG shooting (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Higher extended ISO
    102400 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
  • In-Camera Image Stabilization
    Both provide
    Reduces the effects of camera shake at slower shutter speeds
  • 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
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • Tiltable Screen
    Neither provide
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Neither provide
    Share your photos wirelessly
  • 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
  • Internal flash
    Neither provide
    Useful in a pinch for fill flash

User reviews

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Buy the Pentax K-3 II
Body Only (Black)
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Your purchases support this site

Buy the Sigma fp L

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

  • Read our Pentax K-3 II Review

The Competition

Compared to Canon T6i

Pentax K-3 II
Canon T6i
  • $830
  • APS-C
  • Focus peaking
  • Larger sensor
  • $699
  • APS-C
  • Less expensive
  • Tilt-swivel screen

Compare Pentax K-3 II vs Canon T6i

Sigma fp L
Canon T6i
  • $2499
  • 35mm
  • Focus peaking
  • Larger sensor
  • $699
  • APS-C
  • Tilt-swivel screen
  • Eye-level viewfinder

Compare Sigma fp L vs Canon T6i

Compared to Pentax KP

Pentax K-3 II
Pentax KP
  • $830
  • APS-C
  • Less expensive
  • Built-in GPS
  • $999
  • APS-C
  • Tiltable Screen
  • Built-in Wi-Fi

Compare Pentax K-3 II vs Pentax KP

Sigma fp L
Pentax KP
  • $2499
  • 35mm
  • Larger sensor
  • Shoot 4K video
  • $999
  • APS-C
  • Eye-level viewfinder
  • Tiltable Screen

Compare Sigma fp L vs Pentax KP

Compared to Canon T7i

Pentax K-3 II
Canon T7i
  • $830
  • APS-C
  • Focus peaking
  • Larger sensor
  • $700
  • APS-C
  • Tilt-swivel screen
  • Touchscreen

Compare Pentax K-3 II vs Canon T7i

Sigma fp L
Canon T7i
  • $2499
  • 35mm
  • Focus peaking
  • Larger sensor
  • $700
  • APS-C
  • Tilt-swivel screen
  • Eye-level viewfinder

Compare Sigma fp L vs Canon T7i

Compared to Sigma fp

Pentax K-3 II
Sigma fp
  • $830
  • APS-C
  • Less expensive
  • Eye-level viewfinder
  • $1699
  • 35mm
  • Larger sensor
  • Bigger pixels

Compare Pentax K-3 II vs Sigma fp

Sigma fp L
Sigma fp
  • $2499
  • 35mm
  • Newer
  • More pixels
  • $1699
  • 35mm
  • Bigger pixels
  • Higher max flash sync

Compare Sigma fp L vs Sigma fp

Compared to Sony A7C

Pentax K-3 II
Sony A7C
  • $830
  • APS-C
  • Lens selection
  • Less expensive
  • $1598
  • 35mm
  • Tilt-swivel screen
  • Larger sensor

Compare Pentax K-3 II vs Sony A7C

Sigma fp L
Sony A7C
  • $2499
  • 35mm
  • Thinner
  • More dots on screen
  • $1598
  • 35mm
  • Tilt-swivel screen
  • Eye-level viewfinder

Compare Sigma fp L vs Sony A7C

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