• APS-C 366.6mm2
  • 24.4 megapixels
  • ISO 100 - 51200
  • APS-C 332.3mm2
  • 18.0 megapixels
  • ISO 100 - 12800

Advantages

Pentax K-3 over Canon T4i

  • 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
  • More cross-type AF points
    25 vs 9
    Cross-type AF points improve autofocus performance
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • More pixels
    24.4 vs 18.0 megapixels
    Higher resolution photos
  • Newer
    11 months vs 2 years old
    Newer cameras often support more advanced features
  • Pentaprism viewfinder
    Pentaprism vs Pentamirror
    Much better viewfinder picture fidelity
  • More AF points
    27 vs 9
    More AF points improve autofocus
  • Less shutter lag
    0.138 vs 0.269 sec
    Focus and take a photo quickly (wide angle)
  • Bigger RAW buffer
    Unlimited vs 9 shots
    Larger buffer for RAW shots (single-shot mode)
  • Optional anti-aliasing filter
    Optional vs Fixed
    Lets you choose sharper photos or reduced moiré
  • Higher extended ISO
    51200 vs 25600 ISO
    Higher extended ISO can give more low-light flexibility
  • Faster shutter
    1/8000 vs 1/4000 sec
    Shoot wide open in bright light

Canon T4i over Pentax K-3

  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • Touchscreen
    Touch vs No touch
    Love or hate them, they can be useful
  • On-sensor phase detect
    Yes vs No
    Might improve live view and video AF performance
  • Faster RAW shooting
    2.9 fps vs 1.6 fps
    Faster RAW shooting in single-shot mode
  • Faster JPEG shooting
    2.7 fps vs 1.3 fps
    Faster JPEG shooting (single-shot mode)

Review Excerpt

  • Top-notch image quality; Great ergonomics in a compact body; Unique on-demand low-pass filtering; Broad sensitivity range; Large and bright viewfinder for an APS-C camera; Dual card slots; Optional Wi-Fi remote control

  • AE Lock button is poorly located; Below-average battery life for a DSLR; Rather dated-looking menu system; Requires a different battery grip accessory than its predecessors; Less third-party support than some rivals

  • Excellent image quality; 9 cross-type AF points; Stereo microphones; Built-in touchscreen; Multi-shot modes.

  • Slow Live View and video autofocus; High ISO performance is unimproved; Below-average battery life; No dedicated AF illuminator.

The Competition

Compared to Canon T5i

Pentax K-3
Canon T5i
  • $1001
  • APS-C
  • Focus peaking
  • Larger sensor
  • $722
  • APS-C
  • Tiltable Screen
  • Touchscreen
Canon T4i
Canon T5i
  • $1199
  • APS-C
  • Kit lens zoom ratio
  • $722
  • APS-C
  • Newer

Compared to Sony A77

Pentax K-3
Sony A77
  • $1001
  • APS-C
  • Lens selection
  • More cross-type AF points
  • $1438
  • APS-C
  • Tiltable Screen
  • Wider angle kit lens
Canon T4i
Sony A77
  • $1199
  • APS-C
  • Lens selection
  • Touchscreen
  • $1438
  • APS-C
  • Focus peaking
  • Larger sensor

Compared to Nikon D5200

Pentax K-3
Nikon D5200
  • $1001
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $636
  • APS-C
  • Tiltable Screen
  • Fast startup
Canon T4i
Nikon D5200
  • $1199
  • APS-C
  • Touchscreen
  • On-sensor phase detect
  • $636
  • APS-C
  • Larger sensor
  • Fast startup

Compared to Canon 70D

Pentax K-3
Canon 70D
  • $1001
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $1411
  • APS-C
  • Tiltable Screen
  • Touchscreen
Canon T4i
Canon 70D
  • $1199
  • APS-C
  • $1411
  • APS-C
  • Wi-Fi
  • Longer battery life

Compared to Nikon D5300

Pentax K-3
Nikon D5300
  • $1001
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $1021
  • APS-C
  • Tiltable Screen
  • Fast startup
Canon T4i
Nikon D5300
  • $1199
  • APS-C
  • Touchscreen
  • On-sensor phase detect
  • $1021
  • APS-C
  • Larger sensor
  • Fast startup
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