• APS-C 369.0mm2
  • 14.8 megapixels
  • 75.00mm (35mm eq.)
  • APS-C 332.3mm2
  • 24.2 megapixels
  • ISO 100 - 25,600

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Differences

Sigma DP3 Merrill advantages over Canon 77D

  • Larger sensor
    APS-C vs APS-C
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 5.00 vs 3.72 microns
    Better low-light and dynamic range (all else equal)
  • Doesn't require an AA filter
    Yes vs No
    A unique sensor design provides sharp photos without moiré

Canon 77D advantages over Sigma DP3 Merrill

  • 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
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Longer stills battery life
    More info 600 vs 97 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
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Newer
    19 months 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
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • Shoots 1080p video
    Yes vs No
    You'll want this if you shoot video
  • More pixels
    24.2 vs 14.8 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Bulb shutter
    Bulb vs No bulb
    Hold the shutter open manually for long exposures
  • Faster JPEG shooting
    6.0 fps vs 4.0 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    167 vs 7 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster RAW shooting
    6.0 fps vs 4.0 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    23 vs 7 shots
    Larger buffer for RAW shots (burst mode)
  • Faster shutter
    1/4000 vs 1/2000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    51200 vs 6400 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • Rear display
    Both provide
    Review photos on the back of the camera
  • RAW file ability
    Both provide
    Gives you more flexibility to develop your photos later
  • Manual focus
    Both provide
    AF is for the weak. Real photographers focus manually.
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities

Common Weaknesses

  • Focus peaking
    Neither provide
    Your camera will highlight what's in focus
  • In-Camera Image Stabilization
    Neither provide
    Reduces the effects of camera shake at slower shutter speeds
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • Built-in GPS
    Neither provide
    Geotag your photos
  • Integrated ND filter
    Neither provide
    Shoot in daylight with a large aperture or slow shutter
  • 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

Buy From

Your purchases support this site

Buy the Canon 77D

Review Excerpt

  • Very good image quality; Improved dynamic range at low ISOs; Very fast autofocus; Dual Pixel CMOS AF in Live View; Much improved RAW buffer depth; 1080/60p video; Quick Control Dial & top-panel LCD screen.

  • Default JPEGs slightly soft straight out of camera; Dynamic range & high ISOs lag behind competing cameras; No 4K video resolution.

The Competition

Compared to Canon T6s

Sigma DP3 Merrill
Canon T6s
  • $899
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $780
  • APS-C
  • Tilt-swivel screen
  • Eye-level viewfinder
Canon 77D
Canon T6s
  • $749
  • APS-C
  • Less expensive
  • Fast startup
  • $780
  • APS-C
  • Bigger JPEG buffer

Compared to Sony A68

Sigma DP3 Merrill
Sony A68
  • $899
  • APS-C
  • Bigger pixels
  • Higher-res screen
  • $598
  • APS-C
  • Less expensive
  • Focus peaking
Canon 77D
Sony A68
  • $749
  • APS-C
  • Lens selection
  • Tilt-swivel screen
  • $598
  • APS-C
  • Focus peaking
  • Larger sensor

Compared to Canon 80D

Sigma DP3 Merrill
Canon 80D
  • $899
  • APS-C
  • Less expensive
  • Bigger pixels
  • $999
  • APS-C
  • Tilt-swivel screen
  • Eye-level viewfinder
Canon 77D
Canon 80D
  • $749
  • APS-C
  • Less expensive
  • Built-in Bluetooth
  • $999
  • APS-C
  • Higher effective ISO
  • Longer stills battery life

Compared to Pentax K-70

Sigma DP3 Merrill
Pentax K-70
  • $899
  • APS-C
  • Bigger pixels
  • $595
  • APS-C
  • Focus peaking
  • Tilt-swivel screen
Canon 77D
Pentax K-70
  • $749
  • APS-C
  • Touchscreen
  • Fast startup
  • $595
  • APS-C
  • Focus peaking
  • Larger sensor

Compared to Nikon D7500

Sigma DP3 Merrill
Nikon D7500
  • $899
  • APS-C
  • Less expensive
  • Bigger pixels
  • $1147
  • APS-C
  • Eye-level viewfinder
  • Shoot 4K video
Canon 77D
Nikon D7500
  • $749
  • APS-C
  • Less expensive
  • Tilt-swivel screen
  • $1147
  • APS-C
  • Larger sensor
  • Shoot 4K video
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