• APS-C 332.3mm2
  • 15.1 megapixels
  • ISO 100 - 6400
  • APS-C 366.6mm2
  • 20.1 megapixels
  • ISO 100 - 51,200

Buy From

Differences

Canon T1i advantages over Pentax K-S1

  • Bigger JPEG buffer
    Unlimited vs 20 shots
    Take more JPEG shots before waiting (burst mode)

Pentax K-S1 advantages over Canon T1i

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Larger sensor
    APS-C vs APS-C
    More sensor area. Bigger is (generally) better.
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Higher effective ISO
    1,061 vs 663 iso
    Take photos in low light with less noise
  • More dynamic range
    13.0 vs 11.5 evs
    Retain detail in highlight and shadows
  • Longer stills battery life
    More info 480 vs 400 shots
    Capture more photos
  • Pentaprism viewfinder
    Pentaprism vs Pentamirror
    Much better viewfinder picture fidelity
  • Newer
    4 years vs 10 years old
    Newer cameras often support more advanced features
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • More viewfinder magnification
    0.63x vs 0.54x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    20.1 vs 15.1 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Optional anti-aliasing filter
    Optional vs Fixed
    Lets you choose sharper photos or reduced moiré
  • Faster JPEG shooting
    5.4 fps vs 3.4 fps
    Faster JPEG shooting (burst mode)
  • Faster shutter
    1/6000 vs 1/4000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    51200 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
  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • Tiltable Screen
    Neither provide
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Neither provide
    Share your photos wirelessly
  • 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
  • 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
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

Buy From

Your purchases support this site

Your purchases support this site

Buy the Pentax K-S1

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
Pentax K-S1
Canon XSi
  • $399
  • APS-C
  • Focus peaking
  • Larger sensor
  • $649
  • APS-C
  • Bigger pixels
  • Bigger JPEG buffer

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
Pentax K-S1
Sony DSLR-A350
  • $399
  • APS-C
  • Lens selection
  • Focus peaking
  • $900
  • APS-C
  • Bigger pixels
  • Tiltable Screen

Compared to Sony DSLR-A390

Canon T1i
Sony DSLR-A390
  • $900
  • APS-C
  • Lens selection
  • Thinner
  • $507
  • APS-C
  • Larger sensor
  • Less expensive
Pentax K-S1
Sony DSLR-A390
  • $399
  • APS-C
  • Lens selection
  • Focus peaking
  • $507
  • APS-C
  • Less expensive
  • Bigger pixels

Compared to Nikon D5500

Canon T1i
Nikon D5500
  • $900
  • APS-C
  • Bigger pixels
  • Fast startup
  • $558
  • APS-C
  • Tilt-swivel screen
  • Larger sensor
Pentax K-S1
Nikon D5500
  • $399
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $558
  • APS-C
  • Tilt-swivel screen
  • Touchscreen

Compared to Pentax K-S2

Canon T1i
Pentax K-S2
  • $900
  • APS-C
  • Fast startup
  • More telephoto lens reach
  • $527
  • APS-C
  • Focus peaking
  • Larger sensor
Pentax K-S1
Pentax K-S2
  • $399
  • APS-C
  • Higher-res screen
  • $527
  • APS-C
  • Tilt-swivel screen
  • Built-in Wi-Fi
Compare Other Cameras?