• APS-C 332.3mm2
  • 15.1 megapixels
  • ISO 100 - 6400
  • 4/3 226.2mm2
  • 20.3 megapixels
  • ISO 200 - 25,600

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Differences

Canon T1i advantages over Olympus E-M10 IV

  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 4.69 vs 3.36 microns
    Better low-light and dynamic range (all else equal)
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos

Olympus E-M10 IV advantages over Canon T1i

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Less expensive
    $700 vs $900 (MSRP)
    Save money for lenses or accessories
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Shoot 4K video
    4K (DCI) vs 1080p
    Make sure you have a fast computer
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • Newer
    Brand new vs 11 years old
    Newer cameras often support more advanced features
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • Lighter weight
    383g vs 526g
    Lighter weight
  • More pixels
    20.3 vs 15.1 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Faster shutter
    1/16000 vs 1/4000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    25600 vs 12800 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • 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

  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • 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
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • 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

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Review Excerpt

The Competition

Compared to Canon XSi

Canon T1i
Canon XSi
  • $900
  • APS-C
  • Fast startup
  • HDMI out
  • $649
  • APS-C
  • Longer stills battery life
Olympus E-M10 IV
Canon XSi
  • $700
  • 4/3
  • Focus peaking
  • Less expensive
  • $649
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Sony DSLR-A350

Canon T1i
Sony DSLR-A350
  • $900
  • APS-C
  • Lens selection
  • Fast startup
  • $900
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization
Olympus E-M10 IV
Sony DSLR-A350
  • $700
  • 4/3
  • Lens selection
  • Focus peaking
  • $900
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Pentax K2000

Canon T1i
Pentax K2000
  • $900
  • APS-C
  • HDMI out
  • More dots on screen
  • $556
  • APS-C
  • Larger sensor
  • Less expensive
Olympus E-M10 IV
Pentax K2000
  • $700
  • 4/3
  • Focus peaking
  • Shoot 4K video
  • $556
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Olympus E-M5 III

Canon T1i
Olympus E-M5 III
  • $900
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $999
  • 4/3
  • Tilt-swivel screen
  • Focus peaking
Olympus E-M10 IV
Olympus E-M5 III
  • $700
  • 4/3
  • Longer video battery life
  • Internal flash
  • $999
  • 4/3
  • Tilt-swivel screen
  • High resolution composite

Compared to Panasonic G100

Canon T1i
Panasonic G100
  • $900
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $781
  • 4/3
  • Tilt-swivel screen
  • Focus peaking
Olympus E-M10 IV
Panasonic G100
  • $700
  • 4/3
  • In-Camera Image Stabilization
  • More telephoto lens reach
  • $781
  • 4/3
  • Tilt-swivel screen
  • In-camera panoramas
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