• APS-C 366.6mm2
  • 24.2 megapixels
  • 28.00mm (35mm eq.)
  • 4/3 226.2mm2
  • 20.4 megapixels
  • ISO 200 - 25,600

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Differences

Ricoh GR III advantages over OM System OM-1

  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 3.92 vs 3.36 microns
    Better low-light and dynamic range (all else equal)
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • Integrated ND filter
    Yes vs No
    Shoot in daylight with a large aperture or slow shutter
  • Thinner
    33 mm vs 72 mm
    Thinner
  • Lighter weight
    257g vs 511g
    Lighter weight
  • More pixels
    24.2 vs 20.4 megapixels
    Higher resolution photos
  • Optional anti-aliasing filter
    Optional vs None
    Lets you choose sharper photos or reduced moiré
  • Longer exposure
    1200 vs 60 sec
    Long exposures for night shots
  • Bigger JPEG buffer
    Unlimited vs 92 shots
    Take more JPEG shots before waiting (burst mode)

OM System OM-1 advantages over Ricoh GR III

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • Eye-level viewfinder
    Eye-level vs Rear display only
    You'll be able to frame photos even when the sun is out
  • Shoot 4K video
    4K (DCI) vs 1080p
    Make sure you have a fast computer
  • High resolution composite
    Yes vs No
    Combine multiple shots to form a super hi-res version
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Newer
    3 years vs 6 years old
    Newer cameras often support more advanced features
  • HDMI out
    HDMI out vs None
    Use HDMI output to monitor or review video
  • Higher-res screen
    540k vs 346k pixels
    More detail on the screen lets you judge focus and composition
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Faster JPEG shooting
    120.0 fps vs 4.3 fps
    Faster JPEG shooting (burst mode)
  • Faster shutter
    1/32000 vs 1/4000 sec
    Shoot wide open in bright light

Similarities

Common Strengths

  • Rear display
    Both provide
    Review photos on the back of the camera
  • In-Camera Image Stabilization
    Both provide
    Reduces the effects of camera shake at slower shutter speeds
  • Touchscreen
    Both provide
    Interact with your camera just like your smartphone
  • RAW file ability
    Both provide
    Gives you more flexibility to develop your photos later
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • On-sensor phase detect
    Both provide
    Usually improves live view and video AF performance
  • Manual focus
    Both provide
    AF is for the weak. Real photographers focus manually.
  • 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
  • Internal flash
    Neither provide
    Useful in a pinch for fill flash
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

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Review Excerpt

The Competition

Compared to Olympus E-M1 II

Ricoh GR III
Olympus E-M1 II
  • $944
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $899
  • 4/3
  • Tilt-swivel screen
  • Focus peaking
OM System OM-1
Olympus E-M1 II
  • $2200
  • 4/3
  • Newer
  • Higher-res screen
  • $899
  • 4/3

Compared to Panasonic G9

Ricoh GR III
Panasonic G9
  • $944
  • APS-C
  • Larger sensor
  • Less expensive
  • $1065
  • 4/3
  • Focus peaking
  • Tilt-swivel screen
OM System OM-1
Panasonic G9
  • $2200
  • 4/3
  • Longer video battery life
  • On-sensor phase detect
  • $1065
  • 4/3
  • Built-in Bluetooth
  • Top deck display

Compared to Panasonic G95

Ricoh GR III
Panasonic G95
  • $944
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $848
  • 4/3
  • Less expensive
  • Tilt-swivel screen
OM System OM-1
Panasonic G95
  • $2200
  • 4/3
  • High resolution composite
  • On-sensor phase detect
  • $848
  • 4/3
  • In-camera panoramas
  • Built-in Bluetooth

Compared to Olympus E-M5 III

Ricoh GR III
Olympus E-M5 III
  • $944
  • APS-C
  • Less expensive
  • Larger sensor
  • $924
  • 4/3
  • Focus peaking
  • Tilt-swivel screen
OM System OM-1
Olympus E-M5 III
  • $2200
  • 4/3
  • Longer video battery life
  • Newer
  • $924
  • 4/3
  • Built-in Bluetooth
  • Thinner

Compared to Olympus E-M1 Mark III

Ricoh GR III
Olympus E-M1 Mark III
  • $944
  • APS-C
  • Less expensive
  • Larger sensor
  • $1649
  • 4/3
  • Focus peaking
  • Tilt-swivel screen
OM System OM-1
Olympus E-M1 Mark III
  • $2200
  • 4/3
  • Newer
  • Higher-res screen
  • $1649
  • 4/3
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