• APS-C 361.2mm2
  • 25.7 megapixels
  • ISO 100 - 1,600,000
  • 4/3 226.2mm2
  • 20.3 megapixels
  • ISO 200 - 25,600

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Differences

Pentax K-3 III advantages over Olympus E-P7

  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • 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
  • 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
  • Higher-res screen
    540k vs 346k pixels
    More detail on the screen lets you judge focus and composition
  • More pixels
    25.7 vs 20.3 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 Fixed
    Lets you choose sharper photos or reduced moiré
  • Faster JPEG shooting
    12.0 fps vs 8.7 fps
    Faster JPEG shooting (burst mode)
  • Higher extended ISO
    1600000 vs 25600 ISO
    Higher extended ISO can give more low-light flexibility

Olympus E-P7 advantages over Pentax K-3 III

  • 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
    38 mm vs 73 mm
    Thinner
  • Lighter weight
    337g vs 820g
    Lighter weight
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Bigger JPEG buffer
    Unlimited vs 30 shots
    Take more JPEG shots before waiting (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

  • 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
  • Shoot 4K video
    Both provide
    Make sure you have a fast computer
  • Touchscreen
    Both provide
    Interact with your camera just like your smartphone
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • Built-in Bluetooth
    Both provide
    Always-on wireless connectivity
  • 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
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • Built-in GPS
    Neither provide
    Geotag your photos
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance

User reviews

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Buy the Olympus E-P7

Review Excerpt

The Competition

Compared to Nikon D5600

Pentax K-3 III
Nikon D5600
  • $1847
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $898
  • APS-C
  • Less expensive
  • Tilt-swivel screen

Compare Pentax K-3 III vs Nikon D5600

Olympus E-P7
Nikon D5600
  • $0
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization
  • $898
  • APS-C
  • Tilt-swivel screen
  • Larger sensor

Compare Olympus E-P7 vs Nikon D5600

Compared to Pentax KP

Pentax K-3 III
Pentax KP
  • $1847
  • APS-C
  • Shoot 4K video
  • Touchscreen
  • $999
  • APS-C
  • Less expensive
  • Tiltable Screen

Compare Pentax K-3 III vs Pentax KP

Olympus E-P7
Pentax KP
  • $0
  • 4/3
  • Shoot 4K video
  • Touchscreen
  • $999
  • APS-C
  • Larger sensor
  • Eye-level viewfinder

Compare Olympus E-P7 vs Pentax KP

Compared to Canon T7i

Pentax K-3 III
Canon T7i
  • $1847
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $700
  • APS-C
  • Less expensive
  • Tilt-swivel screen

Compare Pentax K-3 III vs Canon T7i

Olympus E-P7
Canon T7i
  • $0
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization
  • $700
  • APS-C
  • Tilt-swivel screen
  • Larger sensor

Compare Olympus E-P7 vs Canon T7i

Compared to Canon SL3

Pentax K-3 III
Canon SL3
  • $1847
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $624
  • APS-C
  • Less expensive
  • Tilt-swivel screen

Compare Pentax K-3 III vs Canon SL3

Olympus E-P7
Canon SL3
  • $0
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization
  • $624
  • APS-C
  • Tilt-swivel screen
  • Larger sensor

Compare Olympus E-P7 vs Canon SL3

Compared to Canon 90D

Pentax K-3 III
Canon 90D
  • $1847
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $1099
  • APS-C
  • Less expensive
  • Tilt-swivel screen

Compare Pentax K-3 III vs Canon 90D

Olympus E-P7
Canon 90D
  • $0
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization
  • $1099
  • APS-C
  • Larger sensor
  • Tilt-swivel screen

Compare Olympus E-P7 vs Canon 90D

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