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

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Differences

Sigma sd Quattro advantages over Ricoh Theta SC

  • 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
  • Doesn't require an AA filter
    Yes vs No
    A unique sensor design provides sharp photos without moiré
  • 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

Ricoh Theta SC 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
    102g 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
    1/8000 vs 1/4000 sec
    Shoot wide open in bright light

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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Buy the Ricoh Theta SC

Review Excerpt

The Competition

Compared to Sony A3000

Sigma sd Quattro
Sony A3000
  • $699
  • APS-C
  • On-sensor phase detect
  • HDMI out
  • $500
  • APS-C
  • Lens selection
  • In-camera panoramas
Ricoh Theta SC
Sony A3000
  • $300
  • 1/2.3 inch
  • Less expensive
  • Built-in Wi-Fi
  • $500
  • APS-C
  • Rear display
  • Focus peaking

Compared to Sigma sd Quattro H

Sigma sd Quattro
Sigma sd Quattro H
  • $699
  • APS-C
  • Bigger RAW buffer
  • $1199
  • APS-H
  • Larger sensor
  • More pixels
Ricoh Theta SC
Sigma sd Quattro H
  • $300
  • 1/2.3 inch
  • Less expensive
  • In-camera panoramas
  • $1199
  • APS-H
  • Rear display
  • Focus peaking

Compared to Panasonic G9

Sigma sd Quattro
Panasonic G9
  • $699
  • APS-C
  • Less expensive
  • Larger sensor
  • $948
  • 4/3
  • Lens selection
  • Tilt-swivel screen
Ricoh Theta SC
Panasonic G9
  • $300
  • 1/2.3 inch
  • In-camera panoramas
  • Thinner
  • $948
  • 4/3
  • Tilt-swivel screen
  • Rear display

Compared to Fujifilm X-H1

Sigma sd Quattro
Fujifilm X-H1
  • $699
  • APS-C
  • More dots on screen
  • $1000
  • APS-C
  • Lens selection
  • In-Camera Image Stabilization
Ricoh Theta SC
Fujifilm X-H1
  • $300
  • 1/2.3 inch
  • Thinner
  • Lighter weight
  • $1000
  • APS-C
  • Rear display
  • Focus peaking

Compared to 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
Ricoh Theta SC
Nikon Z50
  • $300
  • 1/2.3 inch
  • In-camera panoramas
  • Thinner
  • $807
  • APS-C
  • Rear display
  • Focus peaking
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