Canon EOS 7D vs Nikon D3100

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      Specifications

      General Canon EOS 7D Nikon D3100
      BrandCanonNikon
      ModelEOS 7DD3100
      Predecessor ModelNikon D3000
      Successor ModelNikon D3200
      Camera TypeInterchangeable LensInterchangeable Lens
      Body TypeDSLRDSLR
      Video Capture
      Sensor Canon EOS 7D Nikon D3100
      Sensor TypeCMOSCMOS
      Sensor FormatDX
      Sensor SizeAPS-CAPS-C
      Sensor Dimensions22.3 x 14.9 mm23.1 x 15.4 mm
      Total Pixels19.0 Megapixel14.8 Megapixel
      Effective Pixels18.0 Megapixel14 Megapixel
      Low Pass Filter
      Native ISO Range100 - 6,400100 - 3,200
      Boosted ISO Range100 - 12,800100 - 12,800
      Photo Canon EOS 7D Nikon D3100
      ProcessorDual DIGIC 4EXPEED 2
      Max Image Resolution5184 x 34564608 x 3072
      Other Resolutions5184 x 3456, 3888 x 2592, 3456 x 2304, 2592 x 17283456 x 2304, 2304 x 1536
      Image Aspect Ratios3:23:2
      Image File FormatJPEG, RAW
      JPEG Quality LevelsFine, NormalFine, Normal, Basic
      Bit Depth14-bit
      Timelapse Recording
      White BalancePresets: Auto, Cloudy, Custom, Daylight, Flash, Fluorescent (White), Kelvin, Manual, Shade, Tungsten
      Auto, Day Light, Shade, Cloudy, Tungsten, Fluorescent, Flash, Custom, Color Temperature setting      		Auto, incandescent, fluorescent (7 types), direct sunlight, flash, cloudy, shade, preset manual(up to 5 values can be stored), Fine tune by Kelvin color temperature setting (2,500 K to 10,000K)
      WB Bracketing3 frames in either blue/amber or magenta/green axis
      Active D-LightingCan be selected from:
      On
      Off
      Focus Canon EOS 7D Nikon D3100
      Autofocus ModesMulti-area
      Selective single-point
      Single
      Continuous
      Face Detection
      Live View      		Multi-area
      Selective single-point
      Tracking
      Single
      Continuous
      Face Detection
      Live View
      Lens ServoContinuous-Servo AF, Manual Focus, Single-Servo AFSingle-Servo AF, Continuous-Servo AF, Manual Focus
      AF Detection Range-1 to +19 EV
      Number of Focus Points1911
      Number of Cross-type Focus Points1
      Touch-to-Focus
      Live View Autofocus
      Animal Eye Detection
      Vehicle Tracking Mode
      Insect Tracking Mode
      Contrast Detection for Autofocus
      Phase Detection for Autofocus
      Focusing ScreenType B BriteView Clear Matte Mark VII screen
      Optics Canon EOS 7D Nikon D3100
      Lens MountCanon EF/EF-SNikon F
      Crop Factor1.6x1.5x
      Image Stabilization
      Digital Image Stabilization
      Reflex MirrorQuick-return type
      Screen Canon EOS 7D Nikon D3100
      Screen TypeFixedFixed
      Screen TechnologyTFT color LCD, liquid-crystalTFT LCD
      Touch Screen
      Screen Size3.0"3.0"
      Screen Resolution920k dot230k dot
      Top LCD Screen
      Live View
      Live Composition
      Viewfinder Canon EOS 7D Nikon D3100
      ViewfinderOptical (pentaprism)Optical (pentamirror)
      Viewfinder Coverage100%95%
      Viewfinder Magnification1x0.80x
      Viewfinder Magnification (35mm equivalent)0.63x0.53x
      Diopter Adjustment-3 to +1-1.7 to +0.5
      Shutter Canon EOS 7D Nikon D3100
      Shutter TypeElectronic, Mechanical Focal PlaneElectronically controlled vertical-travel focal-plane
      Min Shutter Speed30 sec30 sec
      Max Shutter Speed (Mechanical or 1st Curtain)1/8000 sec1/4000 sec
      Max Continuous Shooting8.0 fps3.0 fps
      Mirror Lock Up for image sensor cleaning
      Continuous Shooting Resolution/fps/bufferUp to 8 fps at 18 MP for up to 130 Frames (JPEG)
      Up to 8 fps at 18 MP for up to 25 Frames (Raw)
      Flash Canon EOS 7D Nikon D3100
      Built-in Flash
      Flash ModesAuto
      On
      Off
      Red-eye      		Auto
      Red-Eye
      Slow
      Red-Eye Slow
      Rear curtain
      Flash Range12.00 m12.00 m at ISO 100
      Max Flash Sync Speed1/250 sec1/200 sec
      Flash Compensation-3 to +3 EV (1/3, 1/2 EV Steps)-3 to +1 EV (1/3 EV Steps)
      External Flash Connectivity
      External Flash SystemE-TTL with Canon Speedlite EX-seriesi-TTL Balanced fill-flash, standard i-TTL flash for digital SLR
      External Flash ConnectionHot Shoe, PC Terminal, Wireless Speedlite EX ControlHot Shoe with sync and data contacts and safety lock
      Exposure Canon EOS 7D Nikon D3100
      Exposure Metering ModesMulti
      Center-weighted
      Spot
      Partial      		Multi
      Center-weighted
      Average
      Exposure ModesAperture Priority, Auto, Manual, Program, Shutter Priority
      Manual, Shutter Priority, Aperture Priority, Program, Auto, Creative Auto      		Auto modes (auto, auto [flash off ]), Scene Modes (Portrait, Landscape, Child, Sports, Close up, Night portrait), programmed auto with flexible program (P), shutter-priority auto (S), aperture-priority auto (A), manual (M), -5 to +5 EV in increments of 1/3 EV, Luminosity locked at detected value with AE-L/AF-L button
      Metering Range+1 to +20 EV0 to +20 EV
      Exposure Compensation±5 EV (1/3 EV, 1/2 EV increments)±5 EV (1/3 EV increments)
      Exposure Bracketing ±3 EV (3 shots at 1/3 EV, 1/2 EV increments)
      Exposure LockLuminosity locked at detected value with AE-L/AF-L button
      DXO Canon EOS 7D Nikon D3100
      DxO Low Light ISO854919
      DxO Color Depth22.022.5
      DxO Dynamic Range11.711.3
      DxO Overall Score6667
      Video Canon EOS 7D Nikon D3100
      Movie File FormatMOV
      Internal Recording ModesH.264/MOV
      Full HD: 1920 x 1080p @ 23.98/25/29.97 fps
      HD: 1280 x 720 @ 50/59.94 fps
      640 x 480p @ 25/29.97 fps
      Yes      		Yes
      Interval Recording
      Video FormatsH.264MPEG-4
      Max Video Resolution1920 x 10801920 x 1080
      Unlimited Video Recording
      Recording Limit30 min
      Terminals Canon EOS 7D Nikon D3100
      Audio I/O1 x 1/8" / 3.5 mm TRS Stereo Microphone Input
      Other I/O1 x Canon N3 Control Input
      1 x Mini-USB (USB 2.0) Data Output
      USB SpeedUSB 2.0 (480 Mbit/sec)USB 2.0 (480 Mbit/sec)
      HDMI Output Mini Mini Type C
      Speaker
      Built-in MicrophoneMonoMono
      Microphone Input
      Headphone Output
      Flash Sync Port
      Connectivity Canon EOS 7D Nikon D3100
      Built-in GPS
      Built-In Wi-Fi via Eye-Fi
      Built-In Bluetooth
      Remote Control N3 connector Optional
      Environmental Canon EOS 7D Nikon D3100
      Environmental Sealing
      Operating Temperature32-104°F/0-40°C32 to 104°F / 0 to 40°C
      Operating Humidity0 to 85%
      Physical Canon EOS 7D Nikon D3100
      Dimensions148 x 111 x 74 mm (5.83 x 4.37 x 2.91")124 x 96 x 75 mm (4.88 x 3.78 x 2.95")
      Weight (inc. batteries)860 g (1.90 lb / 30.34 oz)505 g (1.11 lb / 17.81 oz)
      Box Dimensions (LxWxH)10.7 x 9.3 x 6"
      Package Weight4.2 lb
      Power and Storage Canon EOS 7D Nikon D3100
      Battery PackLP-E6EN-EL14
      Battery Life800 shots550 shots
      Internal Storage
      External StorageSingle Slot: CompactFlash (Type I/II, UDMA 7)Single Slot: SD/SDHC/SDXC
      Other Canon EOS 7D Nikon D3100
      Self Timer 2 or 10 sec
      Orientation Sensor
      Tripod Mounting Thread1 x 1/4"-20 Female (Bottom)
      Accessory Mount1 x Hot Shoe Mount
      Material of ConstructionMagnesium Alloy
      Electronic Level Gauge
      Sensor Cleaning/Dust Reduction SystemImage sensor cleaning
      Airflow Control System
      Image Dust Off reference data (optional Capture NX 2 software required)


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