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Apple iPhone 5

Tuesday, December 04, 2012

Mobile Overview
DxOMark Mobile
72

Overview

The iPhone 5 is a little taller than the iPhone4 and 4s to accommodate a larger screen but is also thinner and a bit lighter.

Apple has used a new camera module in this latest version and the operating system has also been updated, integrating some new features into the camera, like panoramas. These could previously have been installed as downloaded apps, but Apple has integrated them very well.  Unfortunately the issue with lens flare that showed up in the iPhone 4 and 4s is still present and seems even worse.

The DxO Mark score of 72 is the same as the iPhone 4s score.  This is an impressive achievement in the thinner body, but the breakdown of the scores shows some interesting differences.  As a stills camera there is little to choose, but in the stabilization of video there has been a significant improvement from 28 points to 54 points, though it would have been good to see this improvement carried through to low light conditions too.  This improvement in stabilization saved the iPhone 5 from having a DxO Mark Mobile score lower than its predecessor.

The iPhone 5 is probably the most aspirational smartphone on the market, a beautiful object in itself.  The test scores also show it to be a very capable piece of photographic equipment whether used as a stills camera or to shoot video.

Photo

DxOMark Mobile Photo
74
Exposure and contrast
88
Color
80
Autofocus
72
Texture
67
Noise
60
Artifacts
81
Flash
70

Pros

  • Good color and exposure in most lighting conditions (above 20 lux, equivalent to a room with ‘mood’ lighting)
  • Good retention of detail in bright lighting conditions
  • Accurate and consistent autofocus
  • Broad dynamic range

Cons

  • White balance is yellowish in low tungsten light
  • Noisy images in low light with poor retention of detail
  • Bad purple flare in some circumstances
  • The viewing screen cuts off part of the image so accurate framing is not possible

Video

DxOMark Mobile Video
70
Exposure and contrast
81
Color
92
Autofocus
49
Texture
78
Noise
47
Artifacts
82
Stabilization
54

Pros

  • Good detail in bright lighting conditions
  • Image stabilization is good in bright lighting conditions
  • Good color

Cons

  • Image stabilization poor in low light
  • Autofocus needs to be manually triggered and does not accurately focus without some searching
  • Poor handling of noise in low light with dark areas showing some chrominance artifacts
  • Poor adjustments to exposure when lighting changes and clipping of highlights