Pentax K-x vs Nikon J4

Pentax K-x advantages over Nikon J4

• Lens selection
  Excellent vs Limited
  Better lens selection gives you more options
• Larger sensor
  APS-C vs 1 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
• In-Camera Image Stabilization
  Yes vs No
  Reduces the effects of camera shake at slower shutter speeds
• Bigger pixels
  ~ 5.53 vs 2.52 microns
  Better low-light and dynamic range (all else equal)
• 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-x test data on DxO Mark J4 test data on DxO Mark
  811 vs 426 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-x test data on DxO Mark J4 test data on DxO Mark
  12.5 vs 10.7 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

  420 vs 300 shots
  Capture more photos
• Higher max flash sync
  1/180 vs 1/60 sec
  Reduce the effect of ambient light in flash shots
• 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
• Has anti-aliasing filter
  Filter vs No Filter
  Reduces unsightly moiré in photos