• APS-C 332.3mm2
  • 18.0 megapixels
  • ISO 100 - 6400
  • 1/2.3 inch 28.1mm2
  • 12.1 megapixels
  • 25.00mm - 450.00mm (35mm eq.)

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Differences

Canon T2i advantages over Nikon S9100

  • 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
  • Bigger pixels
    ~ 4.30 vs 1.54 microns
    Better low-light and dynamic range (all else equal)
  • RAW file ability
    Yes vs No
    Gives you more flexibility to develop your photos later
  • Fast startup
    ~0.40 vs 1.5 sec
    Faster startup lets you catch the moment
  • Longer stills battery life
    More info 440 vs 270 shots
    Capture more photos
  • Manual focus
    Yes vs No
    AF is for the weak. Real photographers focus manually.
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities
  • More pixels
    18.0 vs 12.1 megapixels
    Higher resolution photos
  • Longer exposure
    30 vs 4 sec
    Long exposures for night shots
  • Bulb shutter
    Bulb vs No bulb
    Hold the shutter open manually for long exposures
  • Bigger JPEG buffer
    10 vs 5 shots
    Take more JPEG shots before waiting (burst mode)
  • Higher extended ISO
    12800 vs 3200 ISO
    Higher extended ISO can give more low-light flexibility

Nikon S9100 advantages over Canon T2i

  • Less expensive
    $330 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
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Thinner
    34 mm vs 76 mm
    Thinner
  • Faster JPEG shooting
    9.5 fps vs 3.6 fps
    Faster JPEG shooting (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos

Similarities

Common Strengths

  • Rear display
    Both provide
    Review photos on the back of the camera
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • 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
  • Focus peaking
    Neither provide
    Your camera will highlight what's in focus
  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • Tiltable Screen
    Neither provide
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Neither provide
    Share your photos wirelessly
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • Built-in GPS
    Neither provide
    Geotag your photos
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • 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

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Review Excerpt

  • Backside-illuminated sensor for good low-light performance; Very long zoom; Good printed performance; Very fast autofocus.

  • Autofocus is not always reliable; Auto white balance renders skin tones a little red; Slow digital zoom.

The Competition

Compared to Pentax K-7

Canon T2i
Pentax K-7
  • $692
  • APS-C
  • Less expensive
  • Fast startup
  • $1300
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization
Nikon S9100
Pentax K-7
  • $254
  • 1/2.3 inch
  • Less expensive
  • In-camera panoramas
  • $1300
  • APS-C
  • Larger sensor
  • Eye-level viewfinder

Compared to Sony DSLR-A580

Canon T2i
Sony DSLR-A580
  • $692
  • APS-C
  • Lens selection
  • Fast startup
  • $900
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization
Nikon S9100
Sony DSLR-A580
  • $254
  • 1/2.3 inch
  • Less expensive
  • Thinner
  • $900
  • APS-C
  • Larger sensor
  • Eye-level viewfinder

Compared to Sony A55

Canon T2i
Sony A55
  • $692
  • APS-C
  • Lens selection
  • Fast startup
  • $734
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization
Nikon S9100
Sony A55
  • $254
  • 1/2.3 inch
  • Less expensive
  • Thinner
  • $734
  • APS-C
  • Larger sensor
  • Eye-level viewfinder

Compared to Canon SX260 HS

Canon T2i
Canon SX260 HS
  • $692
  • APS-C
  • Larger sensor
  • Eye-level viewfinder
  • $379
  • 1/2.3 inch
  • In-Camera Image Stabilization
  • Built-in GPS
Nikon S9100
Canon SX260 HS
  • $254
  • 1/2.3 inch
  • In-camera panoramas
  • Fast startup
  • $379
  • 1/2.3 inch
  • Built-in GPS
  • Manual focus

Compared to Canon SX280 HS

Canon T2i
Canon SX280 HS
  • $692
  • APS-C
  • Larger sensor
  • Eye-level viewfinder
  • $199
  • 1/2.3 inch
  • In-Camera Image Stabilization
  • Built-in Wi-Fi
Nikon S9100
Canon SX280 HS
  • $254
  • 1/2.3 inch
  • In-camera panoramas
  • Longer stills battery life
  • $199
  • 1/2.3 inch
  • Built-in Wi-Fi
  • Built-in GPS
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