• APS-C 369.0mm2
  • 20.9 megapixels
  • ISO 100 - 51,200
  • 4/3 226.2mm2
  • 20.4 megapixels
  • ISO 200 - 6400

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Differences

Nikon D7500 advantages over Olympus E-M5 III

  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 4.22 vs 3.36 microns
    Better low-light and dynamic range (all else equal)
  • Longer stills battery life
    More info 950 vs 310 shots
    Capture more photos
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Bigger JPEG buffer
    100 vs 26 shots
    Take more JPEG shots before waiting (burst mode)
  • Bigger RAW buffer
    47 vs 23 shots
    Larger buffer for RAW shots (burst mode)
  • Higher extended ISO
    1638400 vs 25600 ISO
    Higher extended ISO can give more low-light flexibility

Olympus E-M5 III advantages over Nikon D7500

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Tilt-swivel screen
    Tilt-swivel vs tilt-only
    Tilt and swivel the screen for maximum shooting flexibility
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • High resolution composite
    Yes vs No
    Combine multiple shots to form a super hi-res version
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Thinner
    49 mm vs 72 mm
    Thinner
  • Newer
    5 years vs 7 years old
    Newer cameras often support more advanced features
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Faster JPEG shooting
    30.0 fps vs 8.2 fps
    Faster JPEG shooting (burst mode)
  • Faster RAW shooting
    30.0 fps vs 8.2 fps
    Faster RAW shooting in burst mode
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Faster shutter
    1/32000 vs 1/8000 sec
    Shoot wide open in bright light

Similarities

Common Strengths

  • 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
  • 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
  • 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

  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • Built-in GPS
    Neither provide
    Geotag your photos
  • Dual card slots
    Neither provide
    Gives you more storage flexibility

User reviews

Buy From

Your purchases support this site

Buy the Nikon D7500

Your purchases support this site

Buy the Olympus E-M5 III

Review Excerpt

  • New carbon fiber body is light, compact and very comfortable; Same excellent image quality as the flagship D500; Quick 8.2 frames per second burst shooting with generous buffer; Very fast, accurate autofocus; Tilting touch-screen display; Very good battery life; Records ultra high-def 4K and 60fps Full HD too.

  • Only a single flash card slot; Doesn't support portrait / battery grip accessories; No rear infrared receiver any more; non-CPU AI lenses will be manual only; 4K video comes with a heavy crop; Movie AF is prone to hunting, Extended ISO sensitivities are a gimmick.

  • Improved image quality; Very good dynamic range & high ISO performance for a modern MFT sensor; Very fast AF; Excellent image stabilization; 4K video recording; Weather-sealed build quality.

  • Below average battery life; Small size can be awkward with long, heavy lenses; One SD card slot.

The Competition

Compared to Nikon D7200

Nikon D7500
Nikon D7200
  • $947
  • APS-C
  • Shoot 4K video
  • Touchscreen
  • $1016
  • APS-C
  • NFC
  • More telephoto lens reach
Olympus E-M5 III
Nikon D7200
  • $924
  • 4/3
  • Tilt-swivel screen
  • Focus peaking
  • $1016
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Canon 80D

Nikon D7500
Canon 80D
  • $947
  • APS-C
  • Shoot 4K video
  • Fast startup
  • $935
  • APS-C
  • Less expensive
  • Tilt-swivel screen
Olympus E-M5 III
Canon 80D
  • $924
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization
  • $935
  • APS-C
  • Less expensive
  • Larger sensor

Compared to Pentax K-70

Nikon D7500
Pentax K-70
  • $947
  • APS-C
  • Shoot 4K video
  • Touchscreen
  • $597
  • APS-C
  • Focus peaking
  • Less expensive
Olympus E-M5 III
Pentax K-70
  • $924
  • 4/3
  • Shoot 4K video
  • Touchscreen
  • $597
  • APS-C
  • Less expensive
  • Larger sensor

Compared to Panasonic G100

Nikon D7500
Panasonic G100
  • $947
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $598
  • 4/3
  • Focus peaking
  • Less expensive
Olympus E-M5 III
Panasonic G100
  • $924
  • 4/3
  • In-Camera Image Stabilization
  • High resolution composite
  • $598
  • 4/3
  • Less expensive
  • In-camera panoramas

Compared to Olympus E-M10 IV

Nikon D7500
Olympus E-M10 IV
  • $947
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $666
  • 4/3
  • Focus peaking
  • Less expensive
Olympus E-M5 III
Olympus E-M10 IV
  • $924
  • 4/3
  • Tilt-swivel screen
  • High resolution composite
  • $666
  • 4/3
  • Less expensive
  • Longer video battery life
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