differences

Advantages of the Nikon D7100

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Built-in focus motor
Has a built-in focus motor
Yes vs No
Help
Autofocuses with all autofocus lenses
Battery life
Much longer battery life
950 shots vs 350 shots
Help
More than 2.5x more shots per battery charge
Lens availability
Much more lenses available
230 lenses vs 108 lenses
Help
More than 2x more lenses available
Supports 24p
Supports 24p
Yes vs No
Help
Get that real film feel
Autofocus
Faster autofocus
Phase detection vs Hybrid detection
Help
Catch candid moments easily
Screen size
Larger screen
3.2" vs 3"
Help
Around 10% larger screen
Storage slots
Has more storage slots
2 vs 1
Help
More slots allows storing more images without switching memory cards
True resolution
Higher true resolution
24 MP vs 15.9 MP
Help
Capture more than 50% more detail in your photos
Built-in flash
Built-in flash
Yes vs No
Help
A built-in flash is useful for taking indoor shots where there is little light
Viewfinder
Has an optical viewfinder
Pentaprism vs Digital
Help
Optical viewfinders save battery life and are more detailed
Lowest price
Slightly cheaper
$708.89 vs $1,099.00
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The best price we've seen is $390 cheaper (around 40% less)
Nikon D7100 Learn more about
the Nikon D7100

Advantages of the Olympus E-M1

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Image stabilization
Image stabilization
  1. Sensor shift
vs None
Help
Helps eliminate blur caused by small camera movements
Touch screen
Has a touch screen
Yes vs No
Help
Fewer buttons to worry about and direct interaction with camera menus
Screen flips out
Has a flip-out screen
Yes vs No
Help
Flip-out screens can be helpful when composing tricky shots or taking movies
Size
Smaller
130×94×63 mm vs 136×107×76 mm
Help
More than 30% smaller
Screen resolution
Higher resolution screen
1,400k dots vs 1,229k dots
Help
More than 10% higher resolution screen
Viewfinder size
Larger viewfinder
0.71x vs 0.61x
Help
More than 30% larger viewfinder
Continuous shooting
Shoots faster
10 fps vs 6 fps
Help
Around 70% faster continuous shooting
Light sensitivity
Better maximum light sensitivity
25,600 ISO vs 6,400 ISO
Help
The E-M1's maximum light sensitivity is 4 f-stops better
Weight
Lighter
497 g vs 675 g
Help
Around 30% lighter
Thickness
Thinner
2.5" vs 3"
Help
Around 20% thinner
Olympus OM-D E-M1 Learn more about
the Olympus E-M1
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recommendations

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

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Nikon D7100 Nikon D7100 62
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        58 Olympus OM-D E-M1 Olympus OM-D E-M1
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              similarities

              Compared to recent digital cameras

              Common Strengths
              Movie continuous focus Focus continuously recording movies Help
              Makes it easy to get in-focus movies
              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
              D7100230 lenses
              E-M1108 lenses
              Interchangeable lenses Interchangeable lenses Help
              Many lenses to choose from
              External flash Each supports an external flash Help
              Better lighting
              Viewfinder Viewfinders Help
              D7100Pentaprism
              E-M1Digital
              Fastest shutter speed Fast max shutter speeds Help
              1/8000 of a second
              Common Weaknesses
              Movie format Full HD (1080p) video Help
              D71001080p @ 60fps
              E-M11080p @ 30fps
              High-speed framerate No high speed movie support Help
              Not supported

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              Nikon D7100 Olympus OM-D E-M1
              Nikon D7100 Olympus OM-D E-M1
              Nikon D7100 Olympus OM-D E-M1

              discussion

              Nikon D7100
              D7100
              Nikon

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              Olympus OM-D E-M1
              OM-D E-M1
              Olympus

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