Sony A77 vs Pentax K-1

Pentax K-1 advantages over Sony A77

• Lens selection
  Excellent vs Good
  Better lens selection gives you more options
• Larger sensor
  35mm vs APS-C
  More sensor area. Bigger is (generally) better.
• Bigger pixels
  ~ 4.88 vs 3.95 microns
  Better low-light and dynamic range (all else equal)
• High resolution composite
  Yes vs No
  Combine multiple shots to form a super hi-res version
• Built-in Wi-Fi
  Wi-Fi vs None
  Share your photos wirelessly
• 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-1 test data on DxO Mark A77 test data on DxO Mark
  3,280 vs 801 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-1 test data on DxO Mark A77 test data on DxO Mark
  14.6 vs 13.2 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

  760 vs 530 shots
  Capture more photos
• More cross-type AF points
  25 vs 11
  Cross-type AF points improve autofocus performance
• Newer
  9 years vs 13 years old
  Newer cameras often support more advanced features
• More pixels
  36.4 vs 24.3 megapixels
  Higher resolution photos
• Dual card slots
  Yes vs No
  Gives you more storage flexibility
• More AF points
  33 vs 19
  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
• Bigger JPEG buffer
  74 vs 17 shots
  Take more JPEG shots before waiting (burst mode)
• Higher extended ISO
  204800 vs 16000 ISO
  Higher extended ISO can give more low-light flexibility