Nikon D100 vs Olympus OM-D E-M1 Mark III

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      Specifications

      General Nikon D100 Olympus OM-D E-M1 Mark III
      BrandNikonOlympus
      ModelD100OM-D E-M1 Mark III
      Predecessor ModelOlympus OM-D E-M1 Mark II
      Successor ModelNikon D200 OM System OM-1
      MSRP$1799 (body only), $2499 (w/12-40mm lens), $2899 (w/12-100mm lens)
      Camera TypeInterchangeable LensInterchangeable Lens
      Body TypeDSLRMirrorless
      Video Capture
      Sensor Nikon D100 Olympus OM-D E-M1 Mark III
      Sensor TypeCCDCMOS
      Sensor FormatDX
      Sensor SizeAPS-CMicro Four Thirds
      Sensor Dimensions23.7 x 15.6 mm17.4 x 13 mm
      Total Pixels6.31 Megapixel21.8 Megapixel
      Effective Pixels6.1 Megapixel20.4 Megapixel
      Low Pass Filter
      Native ISO Range200 - 1,600200 - 25,600
      Boosted ISO Range64 - 25,600
      Built-In ND Filter1 to 5 Stop Electronic ND Filter
      Photo Nikon D100 Olympus OM-D E-M1 Mark III
      ProcessorTruePic IX
      Max Image Resolution3008 x 20005184 x 3888
      Other Resolutions2240 x 1488, 1504 x 1000
      Image Aspect Ratios3:24:3
      Image File FormatJPEG, RAW
      JPEG Quality LevelsFine, Normal, BasicSuper fine, fine, normal
      Bit Depth12-Bit
      Timelapse Recording
      White BalancePresets: Auto, Cloudy, Custom, Flash, Fluorescent, Incandescent, Kelvin, Shade, Sunlight, Underwater
      Focus Nikon D100 Olympus OM-D E-M1 Mark III
      Autofocus ModesMulti-area
      Selective single-point
      Single
      Continuous
      Live View
      Multi-area
      Center
      Selective single-point
      Tracking
      Single
      Continuous
      Touch
      Face Detection
      Live View
      Lens ServoContinuous-Servo AF, Manual Focus, Single-Servo AF
      AF Detection Range-3.5 to +20 EV
      Number of Focus Points121
      Number of Cross-type Focus Points121
      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 II with AF Area Brackets (grid lines can be displayed)
      Optics Nikon D100 Olympus OM-D E-M1 Mark III
      Lens MountNikon FMicro Four Thirds
      Crop Factor1.5x2x
      Image Stabilization5-Axis Sensor Shift
      Image Stabilization Compensation7 stops
      Digital Image Stabilization
      Reflex MirrorInstant-return type
      Screen Nikon D100 Olympus OM-D E-M1 Mark III
      Screen TypeFixedFully Articulated
      Screen TechnologyTFT LCD
      Touch Screen
      Selfie & Vlogger Friendly LCD Screen
      Screen Size1.8"3.0"
      Screen Resolution118k dot1,037k dot
      Top LCD Screen
      Live View
      Live Composition
      Viewfinder Nikon D100 Olympus OM-D E-M1 Mark III
      ViewfinderOptical (pentaprism)Electronic
      Viewfinder Coverage95%100%
      Viewfinder Magnification0.80x1.48x
      Viewfinder Magnification (35mm equivalent)0.53x0.74x
      Viewfinder Resolution2,360k dot
      Viewfinder Eyepoint21 mm
      Diopter Adjustment-4 to +2
      Shutter Nikon D100 Olympus OM-D E-M1 Mark III
      Shutter TypeElectronic assistElectronic, Mechanical Focal Plane
      Min Shutter Speed30 sec60 sec
      Max Shutter Speed (Mechanical or 1st Curtain)1/4000 sec1/8000 sec
      Max Shutter Speed (Electronic)1/32000 sec
      Max Continuous Shooting (Mechanical or 1st Curtain)15.0 fps
      Max Continuous Shooting (Electronic)60.0 fps
      Max Continuous Shooting3.0 fps60.0 fps
      Mirror Lock Up
      Continuous Shooting Resolution/fps/bufferMechanical Shutter
      Up to 15 fps at 20.4 MP for up to 101 Frames (Raw) / 134 Frames (JPEG)
      Up to 10 fps at 20.4 MP for up to 286 Frames (Raw) / Unlimited Frames (JPEG)
      Electronic Shutter
      Up to 60 fps at 20.4 MP for up to 50 Frames (Raw) / 50 Frames (JPEG)
      Up to 18 fps at 20.4 MP for up to 76 Frames (Raw) / 90 Frames (JPEG)
      Flash Nikon D100 Olympus OM-D E-M1 Mark III
      Built-in Flash
      Flash ModesAuto
      On
      Off
      Front curtain
      Rear curtain
      Red-Eye
      Slow Sync
      Redeye
      Fill-in
      Flash Off
      Red-eye Slow sync.(1st curtain)
      Slow sync.(1st curtain)
      Slow sync.(2nd curtain)
      Manual
      Flash Range11.00 m at ISO 100
      Max Flash Sync Speed1/180 sec1/250 sec
      Flash Compensation-3 to +1 EV (1/3, 1/2, 1 EV Steps)-3 to +3 EV (1/3, 1/2, 1 EV Steps)
      External Flash Connectivity
      External Flash SystemSB-24: Auto, Manual, Rear Curtain, Repeating Flash
      SB-27: Auto, Manual, Rear Curtain
      SB-29s: Manual, Rear Curtain
      SB-50DX: D-TTL, Manual, Rear Curtain
      SB-80DX: D-TTL, Auto, Manual, Rear Curtain, Repeating Flash, Red Eye Reduction
      SB-400: n/a, Not usable. No i-TTL function with these cameras, no custom setting option to control Manual output.
      SB-600: D-TTL, Manual, Red-Eye Reduction, AF Assist for multi area AF, Auto Zoom, Rear Curtain
      SB-800: D-TTL, Auto Aperture (AA), Auto, Manual, Rear Curtain, Repeating Flash, Red-eye Reduction, AF, Zoom
      SB-900: Non CLS cameras: D-TTL, Non-TTL Auto Flash, Distance Priority Manual Flash, M, RPT, SU-4 type optical trigger
      SB-R1C1/SB-R200 triggered by SU-800: D-TTL, Auto Aperture (AA), Rear Curtain, Slow Sync, AF, Manual
      SB-R1, SB-R200 triggered by camera's built in flash: No built in flash
      TTL
      External Flash ConnectionHot Shoe, PC Terminal
      Exposure Nikon D100 Olympus OM-D E-M1 Mark III
      Exposure Metering ModesMulti
      Center-weighted
      Spot
      Exposure ModesAperture Priority, Manual, Program, Shutter Priority
      Metering Range-2 to +20 EV
      Exposure Compensation±5 EV (1/3 EV, 1/2 EV increments)±5 EV (1/3 EV, 1/2 EV, 1 EV increments)
      Exposure Bracketing (2, 3, 5, 7 shots at 1/3 EV, 2/3 EV, 1 EV increments)
      Exposure LockLuminosity locked at detected value with AE-L/AF-L button
      Video Nikon D100 Olympus OM-D E-M1 Mark III
      Internal Recording ModesH.264/MOV
      DCI 4K: 4096 x 2160 @ 23.98/24 fps [237 Mbps]
      4K UHD: 3840 x 2160 @ 23.98/25/29.97 fps [102 Mbps]
      Full HD: 1920 x 1080p @ 23.98/25/29.97/50/59.94 fps [18 to 200 Mbps]
      HD: 1280 x 720 @ 23.98/25/29.97/50/59.94 fps [10 to 102 Mbps]
      Interval Recording
      Video FormatsMPEG-4, H.264
      Max Video Resolution4096 x 2160
      External Recording Modes4:2:2 8-Bit via HDMI
      DCI 4K (4096 x 2160)
      UHD 4K (3840 x 2160)
      1920 x 1080
      1280 x 720
      Webcam Functionality
      Unlimited Video Recording
      Recording Limit30 min
      Terminals Nikon D100 Olympus OM-D E-M1 Mark III
      Audio I/O1 x 1/8" / 3.5 mm TRS Stereo Headphone Output
      1 x 1/8" / 3.5 mm TRS Stereo Microphone Input
      Power I/O1 x USB-C Input/Output
      Other I/O1 x USB-C (USB 2.0) Data Input/Output (Shared with Power Input)
      1 x 2.5 mm Sub-Mini Control Input
      1 x PC Sync Socket Output
      USB SpeedUSB 1.0 (1.5 Mbit/sec)USB 3.2 Gen 1x1 (5 GBit/sec)
      HDMI Output Micro
      SpeakerMono
      Built-in MicrophoneStereo
      Microphone Input
      Headphone Output
      Flash Sync Port
      Connectivity Nikon D100 Olympus OM-D E-M1 Mark III
      Built-in GPS
      Built-In Wi-Fi
      Wi-Fi VersionWi-Fi 5, 802.11ac/b/g/n, 2.4/5 GHz
      Built-In Bluetooth
      Remote Control via Optional vertical grip or software wired or smartphone
      Environmental Nikon D100 Olympus OM-D E-M1 Mark III
      Environmental Sealing
      Operating Temperature14 to 104°F / -10 to 40°C
      Storage Temperature-4 to 140°F / -20 to 60°C
      Operating Humidity30 to 90%
      Storage Humidity10 to 90%
      Physical Nikon D100 Olympus OM-D E-M1 Mark III
      Dimensions144 x 116 x 81 mm (5.67 x 4.57 x 3.19")134 x 91 x 69 mm (5.28 x 3.58 x 2.72")
      Weight (inc. batteries)780 g (1.72 lb / 27.51 oz)580 g (1.28 lb / 20.46 oz)
      Box Dimensions (LxWxH)7.8 x 6.7 x 4.8"
      Package Weight3.125 lb
      Power and Storage Nikon D100 Olympus OM-D E-M1 Mark III
      Battery PackBLH-1
      Battery Life420 shots
      USB Charging
      Internal Storage
      External StorageSingle Slot: CompactFlash (Type I/II, compliant with UDMA), MicroDriveSlot 1: SD/SDHC/SDXC (UHS-II)
      Slot 2: SD/SDHC/SDXC (UHS-I)
      Other Nikon D100 Olympus OM-D E-M1 Mark III
      Self Timer 2, 5, 10 or 20 sec 2 or 12 secs, custom
      Orientation Sensor
      Tripod Mounting Thread1 x 1/4"-20 Female (Bottom)
      Accessory Mount1 x Hot Shoe Mount
      Material of ConstructionMagnesium Alloy


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