General

Nikon D7100 Olympus OM-D E-M1
Brand
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Nikon Olympus
Lowest price
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$946.95 $1,068.00
Announced
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February, 2013 August, 2013

Sensor

Type
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CMOS CMOS
Size
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APS-C 23.5x15.6mm Four thirds 17.3x13.0mm
Crop factor
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1.5x 2.1x
Megapixels
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24 MP 15.9 MP
Light sensitivity
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6,400 ISO 25,600 ISO
Light sensitivity (boost)
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25,600 ISO 25,600 ISO
Sensor cleaning
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Yes Unknown

Sensor (Advanced)

True resolution
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24 MP 15.9 MP
Native resolution
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6000 x 4000 4608 x 3456
Pixel size
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15.3 µm² 14.1 µm²

Screen

Type
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LCD LCD
Size
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3.2" 3.0"
Resolution
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1,229k dots 1,400k dots
Touch screen
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No Yes
Flips out
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No Yes
Live view
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Yes Yes

Lenses

Lens availability
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205 lenses 40 lenses
Lens mount
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Nikon F Micro Four Thirds

Form factor

Size
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136x107x76 mm 130x93x63 mm
Depth
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3" 2.5"
Weight
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675 g 497 g
Interchangeable lenses
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Yes Yes
Waterproof
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No No
Weather sealed
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Yes Yes
Built-in focus motor
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Yes No

Viewfinder

Type
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Pentaprism Digital
Viewfinder size
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0.61x 0.71x
Coverage
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100% 100%

Movies

Format
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1080p @ 60fps 1080p @ 30fps
Supports 24p
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Yes No
High-speed framerate
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None None
External mic jack
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Yes Yes
Autofocus
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Contrast detection Contrast detection
Continuous focus
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Yes Yes
All formats
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1080p @ 50fps
720p @ 60fps
1080p @ 25fps
1080p @ 24fps
1080p @ 60fps
1080p @ 30fps
480p @ 30fps
720p @ 30fps
1080p @ 30fps
1080p @ 30fps
720p @ 30fps

Features

Panorama
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No Yes
HDR
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Yes Yes
3D
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No No
Image stabilization
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None Sensor shift
Supports RAW
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Yes Yes
GPS
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No No

Performance

Startup delay
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300 ms 800 ms
Shutter lag
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251 ms Unknown
Battery life
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950 shots 350 shots
Continuous shooting
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6 fps 10 fps

Focus system

Autofocus
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Phase detection Hybrid detection
Focus points
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51 81
Cross type focus points
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15 Unknown

Shutter

Max
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1/8000s 1/8000s
Min
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30s 60s

Flash

Built-in flash
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Yes No
Popup
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Yes n/a
External connection
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Yes Yes

Storage

Storage slots
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2 1
Supported formats
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SD
SDHC
SDXC
SDHC
SDXC
SD
SD
SDHC

DXO Mark Scores

Image quality
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83.0 73.0
Color depth
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24.2 bits 23 bits
Dynamic range
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13.7 EV 12.7 EV
Low light performance
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1,256 ISO 757 ISO
Nikon D7100
D7100
Nikon

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

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