• APS-C 369.7mm2
  • 10.2 megapixels
  • ISO 100 - 3200
  • 4/3 224.9mm2
  • 10.0 megapixels
  • ISO 100 - 1600

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Differences

Sony DSLR-A300 advantages over Olympus E-450

  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Bigger pixels
    ~ 6.12 vs 4.74 microns
    Better low-light and dynamic range (all else equal)
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • Longer stills battery life
    More info 730 vs 500 shots
    Capture more photos
  • More telephoto lens reach
    105 mm vs 84 mm
    Capture objects farther away with the kit lens
  • More AF points
    9 vs 3
    More AF points improve autofocus
  • Higher extended ISO
    3200 vs 1600 ISO
    Higher extended ISO can give more low-light flexibility

Olympus E-450 advantages over Sony DSLR-A300

  • Thinner
    53 mm vs 74 mm
    Thinner
  • Lighter weight
    380g vs 582g
    Lighter weight
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Faster JPEG shooting
    3.5 fps vs 3.0 fps
    Faster JPEG shooting (burst mode)

Similarities

Common Strengths

  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures

Common Weaknesses

  • Focus peaking
    Neither provide
    Your camera will highlight what's in focus
  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • Built-in Wi-Fi
    Neither provide
    Share your photos wirelessly
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • Built-in GPS
    Neither provide
    Geotag your photos
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera
  • External Mic Jack
    Neither provide
    Improved sound fidelity when shooting video
  • Pentaprism viewfinder
    Neither provide
    Much better viewfinder picture fidelity
  • HDMI out
    Neither provide
    Use HDMI output to monitor or review video
  • Dual card slots
    Neither provide
    Gives you more storage flexibility
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

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Review Excerpt

The Competition

Compared to Sony DSLR-A200

Sony DSLR-A300
Sony DSLR-A200
  • $563
  • APS-C
  • Tiltable Screen
  • Bigger JPEG buffer
  • $470
  • APS-C
  • Less expensive
  • More viewfinder magnification
Olympus E-450
Sony DSLR-A200
  • $700
  • 4/3
  • Thinner
  • Lighter weight
  • $470
  • APS-C
  • Less expensive
  • Larger sensor

Compared to Olympus E-420

Sony DSLR-A300
Olympus E-420
  • $563
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization
  • $400
  • 4/3
  • Less expensive
  • Thinner
Olympus E-450
Olympus E-420
  • $700
  • 4/3
  • $400
  • 4/3
  • Less expensive

Compared to Pentax K2000

Sony DSLR-A300
Pentax K2000
  • $563
  • APS-C
  • Tiltable Screen
  • More telephoto lens reach
  • $556
  • APS-C
  • Lens selection
  • More cross-type AF points
Olympus E-450
Pentax K2000
  • $700
  • 4/3
  • Thinner
  • Lighter weight
  • $556
  • APS-C
  • Lens selection
  • Larger sensor

Compared to Olympus E-620

Sony DSLR-A300
Olympus E-620
  • $563
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $800
  • 4/3
  • More cross-type AF points
  • More pixels
Olympus E-450
Olympus E-620
  • $700
  • 4/3
  • $800
  • 4/3
  • In-Camera Image Stabilization
  • Tiltable Screen

Compared to Nikon D5000

Sony DSLR-A300
Nikon D5000
  • $563
  • APS-C
  • In-Camera Image Stabilization
  • Longer stills battery life
  • $850
  • APS-C
  • Lens selection
  • Higher effective ISO
Olympus E-450
Nikon D5000
  • $700
  • 4/3
  • Less expensive
  • Thinner
  • $850
  • APS-C
  • Lens selection
  • Larger sensor
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