Canon T3i vs Pentax K-3

Pentax K-3 advantages over Canon T3i

• 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
• Fast startup
  ~0.90 vs 1.5 sec
  Faster startup lets you catch the moment
• Higher effective ISO

  Higher effective ISO

  Maximum effective ISO is an estimate of the highest sensitivity at which a camera can capture excellent quality photos.

  Cameras with higher effective ISO will be better choices for indoor photography, night shooting, and indoor sports photography, especially if you intend to make large prints.

  You can learn more at our glossary entry.

  Maximum effective ISO test data courtesy of DxO Mark.

  K-3 test data on DxO Mark T3i test data on DxO Mark
  1,216 vs 793 iso
  Take photos in low light with less noise
• More dynamic range

  More dynamic range

  Cameras with more dynamic range allow you to take photos with dramatic differences in highlight and shadow areas while retaining detail in both.

  Think of a brilliant sunset on a rocky beach: Bright sunset in the background, with dark rocks in the foreground. High dynamic range means more of the extremes will be faithfully reproduced.

  Dynamic range test data courtesy of DxO Mark.

  K-3 test data on DxO Mark T3i test data on DxO Mark
  13.4 vs 11.5 evs
  Retain detail in highlight and shadows
• Longer stills battery life
  More info

  Longer stills battery life

  Cameras with longer battery life can take more photos before exhausting their batteries.

  Special note: The measurement standard for battery life stipulates that if a camera has an internal flash, it must be used for 50% of photos taken. For this reason, comparisons of one camera with an internal flash to another without will not be comparable

  560 vs 440 shots
  Capture more photos
• Top deck display
  Yes vs No
  Check settings with a screen on top of the camera
• More cross-type AF points
  25 vs 1
  Cross-type AF points improve autofocus performance
• Pentaprism viewfinder
  Pentaprism vs Pentamirror
  Much better viewfinder picture fidelity
• Less shutter lag
  0.14 vs 0.28 sec
  Focus and take a photo quickly (wide angle)
• More viewfinder magnification
  0.63x vs 0.53x
  Get a bigger view of the scene through the eye-level viewfinder
• More pixels
  24.4 vs 18.0 megapixels
  Higher resolution photos
• Dual card slots
  Yes vs No
  Gives you more storage flexibility
• More AF points
  27 vs 9
  More AF points improve autofocus
• Headphone jack
  Yes vs No
  Monitor audio recording while you shoot video
• Optional anti-aliasing filter
  Optional vs Fixed
  Lets you choose sharper photos or reduced moiré
• Faster JPEG shooting
  7.1 fps vs 3.6 fps
  Faster JPEG shooting (burst mode)
• Bigger JPEG buffer
  75 vs 9 shots
  Take more JPEG shots before waiting (burst mode)
• Faster RAW shooting
  7.1 fps vs 3.6 fps
  Faster RAW shooting in burst mode
• Bigger RAW buffer
  24 vs 5 shots
  Larger buffer for RAW shots (burst mode)
• Faster shutter
  1/8000 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