• APS-C 368.2mm2
  • 16.2 megapixels
  • ISO 100 - 6400
  • APS-C 366.6mm2
  • 20.1 megapixels
  • ISO 100 - 16000

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Advantages

Nikon D5100 over Sony A58

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • Fast startup
    0.50 vs 1.90 sec
    Faster startup lets you catch the moment
  • More dots on screen
    922k vs 461k dots
    Can mean greater resolution or a brighter screen
  • Bigger JPEG buffer
    Unlimited vs 6 shots
    Take more JPEG shots before waiting (single-shot mode)
  • Bigger RAW buffer
    Unlimited vs 2 shots
    Larger buffer for RAW shots (single-shot mode)
  • Higher extended ISO
    25600 vs 16000 ISO
    Higher extended ISO can give more low-light flexibility

Sony A58 over Nikon D5100

  • Focus peaking
    Peaker vs non-peaker
    Your camera will highlight what's in focus
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • More cross-type AF points
    3 vs 1
    Cross-type AF points improve autofocus performance
  • More pixels
    20.1 vs 16.2 megapixels
    Higher resolution photos
  • Newer
    20 months vs 4 years old
    Newer cameras often support more advanced features
  • Less shutter lag
    0.126 vs 0.273 sec
    Focus and take a photo quickly (wide angle)

Buy From

Review Excerpt

  • Side-mounted tilt / swivel LCD screen; same sensor and processing as the Nikon D7000; good speed and battery life; in-camera HDR and filter effects; Full HD video capture with aperture control; audio levels control and external microphone jack.

  • AF-S lens mount doesn't offer autofocus with screw-drive lenses; popup flash isn't the greatest; no built-in wireless flash control; HDR function doesn't microalign source images.

  • Improved 20.1-megapixel resolution; Impressive image quality, especially for its price; Fast and decisive autofocus (in most conditions); Very good battery life; Good video quality (Full HD 1080p, though it doesn't support 60p frame rate).

  • Plastic lens mount; Slower burst mode speeds and shallower buffer than A57; LCD no longer fully articulating; Mediocre kit lens; Electronic instead of an optical viewfinder may be a turnoff for some.

The Competition

Compared to Canon T3i

Nikon D5100
Canon T3i
  • $471
  • APS-C
  • Larger sensor
  • Fast startup
  • $449
  • APS-C
  • 60p
  • Faster RAW shooting
Sony A58
Canon T3i
  • $465
  • APS-C
  • Focus peaking
  • Larger sensor
  • $449
  • APS-C
  • Lens selection
  • 60p

Compared to Pentax K-50

Nikon D5100
Pentax K-50
  • $471
  • APS-C
  • Tiltable Screen
  • External Mic
  • $362
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
Sony A58
Pentax K-50
  • $465
  • APS-C
  • Tiltable Screen
  • External Mic
  • $362
  • APS-C
  • Lens selection
  • 60p

Compared to Pentax K-500

Nikon D5100
Pentax K-500
  • $471
  • APS-C
  • Tiltable Screen
  • External Mic
  • $514
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
Sony A58
Pentax K-500
  • $465
  • APS-C
  • Tiltable Screen
  • External Mic
  • $514
  • APS-C
  • Lens selection
  • 60p

Compared to Nikon D3300

Nikon D5100
Nikon D3300
  • $471
  • APS-C
  • Tiltable Screen
  • Bigger pixels
  • $497
  • APS-C
  • 60p
  • More pixels
Sony A58
Nikon D3300
  • $465
  • APS-C
  • Focus peaking
  • Tiltable Screen
  • $497
  • APS-C
  • Lens selection
  • Fast startup

Compared to Canon T5

Nikon D5100
Canon T5
  • $471
  • APS-C
  • Larger sensor
  • Tiltable Screen
  • $449
  • APS-C
  • 60p
  • Newer
Sony A58
Canon T5
  • $465
  • APS-C
  • Focus peaking
  • Larger sensor
  • $449
  • APS-C
  • Lens selection
  • Fast startup
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