differences

Advantages of the Canon 5D Mark III

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Battery life
Much longer battery life
950 shots vs 500 shots
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90% more shots per battery charge
Supports 24p
Supports 24p
Yes vs No
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Get that real film feel
Autofocus
Faster autofocus
Phase detection vs Contrast detection
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Catch candid moments easily
Screen resolution
Higher resolution screen
1,040k dots vs 610k dots
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More than 70% higher resolution screen
Lens availability
Significantly more lenses available
165 lenses vs 108 lenses
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More than 50% more lenses available
Screen size
Larger screen
3.2" vs 3"
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Around 10% larger screen
Sensor type
Has a CMOS-family sensor
CMOS vs LIVEMOS
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CMOS-family sensors often produce better quality images
Viewfinder size
Significantly larger viewfinder
0.71x vs 0.44x
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More than 2.5x larger viewfinder
Storage slots
Has more storage slots
2 vs 1
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More slots allows storing more images without switching memory cards
True resolution
Higher true resolution
22.3 MP vs 15.9 MP
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Capture more than 40% more detail in your photos
Viewfinder
Has an optical viewfinder
Pentaprism vs Digital
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Optical viewfinders save battery life and are more detailed
Fastest shutter speed
Faster max shutter speed
1/8000s vs 1/4000s
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2x faster max shutter speed
Canon EOS 5D Mark III Learn more about
the Canon 5D Mark III

Advantages of the Olympus E-M5

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Image stabilization
Image stabilization
  1. Sensor shift
vs None
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Helps eliminate blur caused by small camera movements
Screen type
Has an OLED screen
OLED vs LCD
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OLED screens are often brighter and more vibrant than typical LCD screens
Size
Significantly smaller
122×89×43 mm vs 152×116×76 mm
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2.9x smaller
Touch screen
Has a touch screen
Yes vs No
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Fewer buttons to worry about and direct interaction with camera menus
Screen flips out
Has a flip-out screen
Yes vs No
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Flip-out screens can be helpful when composing tricky shots or taking movies
Weight
Much lighter
425 g vs 950 g
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2.2x lighter
Thickness
Thinner
1.7" vs 3"
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More than 40% thinner
Continuous shooting
Shoots faster
9 fps vs 6 fps
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50% faster continuous shooting
Lowest price
Cheaper
$510.99 vs $2,299.99
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The best price we've seen is $1,789 cheaper (4.5x less)
Olympus OM-D E-M5 Learn more about
the Olympus E-M5
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recommendations

Which camera do we recommend? Relative to the best recent digital cameras, and ignoring price

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Canon EOS 5D Mark III Canon EOS 5D Mark III 71
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              similarities

              Compared to recent digital cameras

              Common Strengths
              Battery life Great battery life Help
              5D Mark III950 shots
              E-M5500 shots
              External mic jack Have external mic jacks Help
              Record higher quality audio with a microphone
              Weather sealed Weather sealed Help
              Shoot in extreme weather
              Lens availability Many lenses available Help
              5D Mark III165 lenses
              E-M5108 lenses
              Interchangeable lenses Interchangeable lenses Help
              Many lenses to choose from
              External flash Each supports an external flash Help
              Better lighting
              Viewfinder Viewfinders Help
              5D Mark IIIPentaprism
              E-M5Digital
              Common Weaknesses
              Built-in flash No built-in flash Help
              Professional
              Movie format Full HD (1080p) video Help
              5D Mark III1080p @ 30fps
              E-M51080p @ 60fps
              High-speed framerate No high speed movie support Help
              Not supported

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              Canon EOS 5D Mark III Olympus OM-D E-M5
              Canon EOS 5D Mark III Olympus OM-D E-M5
              Canon EOS 5D Mark III Olympus OM-D E-M5

              discussion

              Canon EOS 5D Mark III
              EOS 5D Mark III
              Canon

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              Olympus OM-D E-M5
              OM-D E-M5
              Olympus

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