Nikon D4 vs Pentax 645Z

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      Specifications

      General Nikon D4 Pentax 645Z
      BrandNikonPentax
      ModelD4645Z
      Predecessor ModelNikon D3S Pentax 645D
      Successor ModelNikon D4s
      MSRPUS: $5999.95, UK: £4799.99$8499.95 / £6799.99 (body only), £7699.99 (with 55mm lens)
      Camera TypeInterchangeable LensInterchangeable Lens
      Body TypeDSLRDSLR
      Video Capture
      Sensor Nikon D4 Pentax 645Z
      Sensor TypeCMOSCMOS
      Sensor FormatFX
      Sensor SizeFull FrameMedium format
      Sensor Dimensions36.0 x 23.9 mm44 x 33 mm
      Total Pixels16.6 Megapixel52.99 Megapixel
      Effective Pixels16.2 Megapixel51.4 Megapixel
      Low Pass Filter
      Native ISO Range100 - 12,800100 - 204,800
      Boosted ISO Range50 - 204,800
      Photo Nikon D4 Pentax 645Z
      ProcessorEXPEED 3PRIME III
      Max Image Resolution4928 x 32808256 x 6192
      Other Resolutions4096 x 2720, 4096 x 3280, 3696 x 2456, 3200 x 2128, 3072 x 2456, 3072 x 2040, 2464 x 1640, 2400 x 1592, 2048 x 1360, 2048 x 1640, 1600 x 10646912 x 5184, 5376 x4032, 1920 x 1080
      Image Aspect Ratios5:4, 3:24:3
      Image File FormatDNG, JPEG, RAW
      JPEG Quality LevelsSuperfine, fine, normal
      Bit Depth14-Bit
      Timelapse Recording
      White BalancePresets: Auto, CTE, Cloudy, Color Temperature, Daylight, Flash, Fluorescent (Cool White), Fluorescent (Day White), Fluorescent (Daylight), Fluorescent (Warm White), Manual, Multi Auto WB, Shade, Tungsten
      WB Bracketing2 to 9 exposures in increments of 1, 2 or 3 EV
      Active D-LightingCan be selected from:
      Auto
      Extra High
      High
      Normal
      Low
      On
      Active D-Lighting Bracketing2 frames using selected value for one frame or 3 to 5 frames using preset values for all frames
      Focus Nikon D4 Pentax 645Z
      Autofocus ModesMulti-area
      Selective single-point
      Tracking
      Single
      Continuous
      Live View      		Multi-area
      Selective single-point
      Tracking
      Single
      Continuous
      Face Detection
      Live View
      Lens ServoSingle-Servo AF, Continuous-Servo AF, Manual FocusContinuous-Servo AF, Manual Focus, Single-Servo AF
      AF Detection Range-2 to +19 EV-3 to +18 EV
      Number of Focus Points5127
      Number of Cross-type Focus Points15
      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 VIII with AF Area Brackets (grid lines can be displayed)
      Optics Nikon D4 Pentax 645Z
      Lens MountNikon FPentax 645AF2
      Crop Factor1x0.79x
      Image Stabilization
      Digital Image Stabilization
      Reflex MirrorQuick-return type
      Screen Nikon D4 Pentax 645Z
      Screen TypeFixedTilting
      Screen TechnologyTFT color LCD with brightness controlTFT LCD
      Touch Screen
      Screen Size3.2"3.2"
      Screen Resolution921k dot1,037k dot
      Top LCD Screen
      Live View
      Live Composition
      Viewfinder Nikon D4 Pentax 645Z
      ViewfinderOptical (pentaprism)Optical (pentaprism)
      Viewfinder Coverage100%98%
      Viewfinder Magnification0.70x0.56x
      Viewfinder Magnification (35mm equivalent)0.70x0.71x
      Diopter Adjustment-3 to +1-3.5 to +2
      Depth-of-field previewWhen Pv button is pressed, lens aperture is stopped down to value selected by user (A and M modes) or by camera (P and S modes)
      Shutter Nikon D4 Pentax 645Z
      Shutter TypeElectronically controlled vertical-travel focal-planeMechanical Focal Plane
      Min Shutter Speed30 sec30 sec
      Max Shutter Speed (Mechanical or 1st Curtain)1/8000 sec1/4000 sec
      Max Continuous Shooting11.0 fps3.0 fps
      Mirror Lock Up
      Continuous Shooting Resolution/fps/bufferUp to 3 fps for up to 30 Frames (JPEG) / 12 Frames (TIFF) / 10 Frames (Raw)
      Flash Nikon D4 Pentax 645Z
      Built-in Flash
      Flash ModesAuto
      On
      Off
      Front curtain
      Rear curtain
      Red-Eye
      Slow Sync
      High Speed Sync      		Flash On
      Flash On+Red-eye Reduction
      Slow-speed Sync
      Slow-speed Sync+Red-eye
      P-TTL
      Trailing Curtain Sync
      contrast-control-sync
      high-speed sync
      wireless sync
      Max Flash Sync Speed1/250 sec1/125 sec
      Flash Compensation-3 to +1 EV (1/3, 1/2, 1 EV Steps)-2 to +1 EV (1/2 EV Steps)
      Flash Bracketing2 to 9 frames in steps of 1/3, 1/2, 2/3 or 1 EV
      External Flash Connectivity
      External Flash SystemTTL: i-TTL flash control using 91,000-pixel RGB sensor are available with SB-910, SB-900, SB-800, SB-700, SB-600, or SB-400; i-TTL balanced fill-flash for digital SLR is used with matrix and center-weighted metering, standard i-TTL flash for digital SLR with spot meteringP-TTL
      External Flash ConnectionHot Shoe, PC Terminal, WirelessHot Shoe, X-Sync Terminal
      Exposure Nikon D4 Pentax 645Z
      Exposure Metering ModesMulti
      Center-weighted
      Spot      		Multi
      Center-weighted
      Spot
      Exposure ModesAperture Priority, Manual, Program, Sensitivity Priority, Shutter Priority
      Metering Range-1 to +21 EV
      Exposure Compensation±5 EV (1/3 EV, 1/2 EV, 1 EV increments)±5 EV (1/3 EV, 1/2 EV increments)
      Exposure Bracketing (2, 3, 5, 7 shots at 1/3 EV, 1/2 EV, 2/3 EV increments) ±5 EV (2, 3, 5 shots at 1/3 EV, 1/2 EV, 1 EV, 2 EV increments)
      Exposure LockLuminosity locked at detected value with the center of the sub-selector
      DXO Nikon D4 Pentax 645Z
      DxO Low Light ISO29654505
      DxO Color Depth24.726.0
      DxO Dynamic Range13.114.7
      DxO Overall Score89101
      Video Nikon D4 Pentax 645Z
      Movie File FormatMOV
      Internal Recording ModesAVI/MOV/H.264/MPEG-4
      Full HD: 1920 x 1080p @ 23.98/25/29.97 fps
      Full HD: 1920 x 1080i @ 50 fps
      HD: 1280 x 720 @ 24/25/29.97/50 fps
      Interval Recording
      Video FormatsMPEG-4, H.264MPEG-4, H.264
      Max Video Resolution1920 x 10801920 x 1080
      External Recording ModesHDMI
      1920 x 1080p
      1280 x 720
      1280 x 576
      720 x 480
      Unlimited Video Recording
      Recording Limit25 min
      Terminals Nikon D4 Pentax 645Z
      Audio I/O1 x 1/8" / 3.5 mm TRS Stereo Microphone Input
      Other I/O1 x Micro-USB (USB 3.2 / 3.1 Gen 1) Input/Output (Shared with Power Input)
      1 x 2.5 mm Sub-Mini Control Input
      1 x PC Sync Socket Output
      USB SpeedUSB 2.0 (480 Mbit/sec)USB 3.2 Gen 1x1 (5 GBit/sec)
      HDMI Output Type C Micro Type D
      SpeakerMonoStereo
      Built-in MicrophoneMonoMono
      Microphone Input
      Headphone Output
      Flash Sync Port
      Connectivity Nikon D4 Pentax 645Z
      Built-in GPS
      Built-In Wi-Fi via optional WT-5 or WT-5A transmitters
      Built-In Bluetooth
      Remote Control via ten-pin remote terminal
      Environmental Nikon D4 Pentax 645Z
      Environmental Sealing
      Operating Temperature32 to 104°F / 0 to 40°C14 to 104°F / -10 to 40°C
      Operating Humidity0 to 85%
      Physical Nikon D4 Pentax 645Z
      Dimensions160 x 157 x 91 mm (6.3 x 6.18 x 3.58")156 x 117 x 123 mm (6.14 x 4.61 x 4.84")
      Weight (inc. batteries)1340 g (2.95 lb / 47.27 oz)1550 g (3.42 lb / 54.67 oz)
      Box Dimensions (LxWxH)10 x 9.291 x 8.583"
      Package Weight6.7 lb
      Power and Storage Nikon D4 Pentax 645Z
      Battery PackEN-EL18D-LI90
      Battery Life2600 shots650 shots
      Internal Storage
      External StorageDual Slot: CompactFlash (Type I, compliant with UDMA) or XQDDual Slot: SD/SDHC/SDXC (UHS-I)
      Other Nikon D4 Pentax 645Z
      Self Timer 2-20 seconds, 1-9 exposures at intervals of 0.5, 1, 2, or 3 seconds 2 or 10 secs
      Orientation Sensor
      Tripod Mounting Thread1 x 1/4"-20 Female (Bottom)
      1 x 1/4"-20 Female (Side)
      Accessory Mount1 x Hot Shoe Mount
      1 x 1/4"-20 Female on Camera Body
      Material of ConstructionMagnesium AlloyMagnesium Alloy, Aluminum
      Illuminated Buttons
      Electronic Level Gauge
      Sensor Cleaning/Dust Reduction SystemImage sensor cleaning
      Image Dust Off reference data (optional Capture NX 2 software required)


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