• 1/2.3 inch 28.1mm2
  • 14.5 megapixels
  • 7.30mm (35mm eq.)
  • APS-C 364.3mm2
  • 19.6 megapixels
  • ISO 100 - 6400

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Differences

Ricoh Theta S advantages over Sigma sd Quattro

  • 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
  • Thinner
    22 mm vs 90 mm
    Thinner
  • Lighter weight
    125g vs 625g
    Lighter weight
  • Shoots 1080p video
    Yes vs No
    You'll want this if you shoot video
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Faster shutter
    1/6400 vs 1/4000 sec
    Shoot wide open in bright light

Sigma sd Quattro advantages over Ricoh Theta S

  • Rear display
    Yes vs No
    Review photos on the back of the camera
  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Larger sensor
    APS-C vs 1/2.3 inch
    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
  • RAW file ability
    Yes vs No
    Gives you more flexibility to develop your photos later
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Manual focus
    Yes vs No
    AF is for the weak. Real photographers focus manually.
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities
  • More pixels
    19.6 vs 14.5 megapixels
    Higher resolution photos
  • Bulb shutter
    Bulb vs No bulb
    Hold the shutter open manually for long exposures
  • Higher extended ISO
    6400 vs 1600 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • HDMI out
    Both provide
    Use HDMI output to monitor or review video

Common Weaknesses

  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • In-Camera Image Stabilization
    Neither provide
    Reduces the effects of camera shake at slower shutter speeds
  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • Tiltable Screen
    Neither provide
    Tilt the screen for shooting flexbility
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • 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
  • External Mic Jack
    Neither provide
    Improved sound fidelity when shooting video
  • Dual card slots
    Neither provide
    Gives you more storage flexibility
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

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Ricoh Theta S (Black)

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  • Body Only
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Review Excerpt

  • 360-degree spherical panoramas at the click of a button; Puts you back in the moment like no other camera; Good ergonomics and control layout; Great still image quality, and can shoot videos too; Upload panoramas to Google Street View

  • Very reliant on your smartphone or tablet; Battery and storage can't be replaced or upgraded; Handheld shots suffer from Gigantic Hand Syndrome; Hard to get yourself out of the shot; Video image quality is only modest; Interval timer has a long shot delay

  • Read our Ricoh Theta S Express Review

The Competition

Compared to Sony A3000

Ricoh Theta S
Sony A3000
  • $290
  • 1/2.3 inch
  • Built-in Wi-Fi
  • Thinner
  • $598
  • APS-C
  • Rear display
  • Focus peaking

Compare Ricoh Theta S vs Sony A3000

Sigma sd Quattro
Sony A3000
  • $699
  • APS-C
  • On-sensor phase detect
  • HDMI out
  • $598
  • APS-C
  • Lens selection
  • In-camera panoramas

Compare Sigma sd Quattro vs Sony A3000

Compared to Sigma sd Quattro H

Ricoh Theta S
Sigma sd Quattro H
  • $290
  • 1/2.3 inch
  • Less expensive
  • In-camera panoramas
  • $1199
  • APS-H
  • Rear display
  • Focus peaking

Compare Ricoh Theta S vs Sigma sd Quattro H

Sigma sd Quattro
Sigma sd Quattro H
  • $699
  • APS-C
  • Bigger RAW buffer
  • $1199
  • APS-H
  • Larger sensor
  • More pixels

Compare Sigma sd Quattro vs Sigma sd Quattro H

Compared to Panasonic G9

Ricoh Theta S
Panasonic G9
  • $290
  • 1/2.3 inch
  • In-camera panoramas
  • Thinner
  • $965
  • 4/3
  • Tilt-swivel screen
  • Rear display

Compare Ricoh Theta S vs Panasonic G9

Sigma sd Quattro
Panasonic G9
  • $699
  • APS-C
  • Less expensive
  • Larger sensor
  • $965
  • 4/3
  • Lens selection
  • Tilt-swivel screen

Compare Sigma sd Quattro vs Panasonic G9

Compared to Fujifilm X-H1

Ricoh Theta S
Fujifilm X-H1
  • $290
  • 1/2.3 inch
  • Thinner
  • Lighter weight
  • $1199
  • APS-C
  • Rear display
  • Focus peaking

Compare Ricoh Theta S vs Fujifilm X-H1

Sigma sd Quattro
Fujifilm X-H1
  • $699
  • APS-C
  • More dots on screen
  • $1199
  • APS-C
  • Lens selection
  • In-Camera Image Stabilization

Compare Sigma sd Quattro vs Fujifilm X-H1

Compared to Nikon Z50

Ricoh Theta S
Nikon Z50
  • $290
  • 1/2.3 inch
  • In-camera panoramas
  • Thinner
  • $807
  • APS-C
  • Rear display
  • Focus peaking

Compare Ricoh Theta S vs Nikon Z50

Sigma sd Quattro
Nikon Z50
  • $699
  • APS-C
  • More dots on screen
  • Doesn't require an AA filter
  • $807
  • APS-C
  • Shoot 4K video
  • Touchscreen

Compare Sigma sd Quattro vs Nikon Z50

Compare Other Cameras?