Nikon Z8 vs Pentax 645Z

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      Specifications

      General Nikon Z8 Pentax 645Z
      BrandNikonPentax
      ModelZ8645Z
      Predecessor ModelPentax 645D
      MSRP$3999 (body only)$8499.95 / £6799.99 (body only), £7699.99 (with 55mm lens)
      Camera TypeInterchangeable LensInterchangeable Lens
      Body TypeMirrorlessDSLR
      Video Capture
      Sensor Nikon Z8 Pentax 645Z
      Sensor TypeStacked CMOSCMOS
      Sensor FormatFX
      Sensor SizeFull FrameMedium format
      Sensor Dimensions35.9 x 23.9 mm44 x 33 mm
      Total Pixels52.37 Megapixel52.99 Megapixel
      Effective Pixels45.7 Megapixel51.4 Megapixel
      Low Pass Filter
      Native ISO Range64 - 25,600100 - 204,800
      Boosted ISO Range32 - 102,400
      Photo Nikon Z8 Pentax 645Z
      ProcessorEXPEED 7PRIME III
      Max Image Resolution8256 x 55048256 x 6192
      Other Resolutions6912 x 5184, 5376 x4032, 1920 x 1080
      Image Aspect Ratios1:1, 3:2, 16:94:3
      Image File FormatJPEG, RAWDNG, JPEG, RAW
      JPEG Quality LevelsSuperfine, fine, normal
      Bit Depth14-Bit14-Bit
      Timelapse Recording
      White Balance2500 to 10,000K
      Presets: Auto, Cloudy, Custom, Direct Sunlight, Flash, Fluorescent, Incandescent, Preset Manual, Shade      		Presets: Auto, CTE, Cloudy, Color Temperature, Daylight, Flash, Fluorescent (Cool White), Fluorescent (Day White), Fluorescent (Daylight), Fluorescent (Warm White), Manual, Multi Auto WB, Shade, Tungsten
      Active D-LightingCan be selected from:
      Auto
      Extra high 2
      Extra high 1
      Extra High
      High
      Normal
      Low
      Off
      Active D-Lighting Bracketing
      Focus Nikon Z8 Pentax 645Z
      Focusing SystemHybrid phase-detection/contrast AF with AF assist
      Autofocus ModesMulti-area
      Center
      Selective single-point
      Tracking
      Single
      Continuous
      Touch
      Face Detection
      Live View      		Multi-area
      Selective single-point
      Tracking
      Single
      Continuous
      Face Detection
      Live View
      Lens ServoContinuous-Servo AF, Manual Focus, Single-Servo AFContinuous-Servo AF, Manual Focus, Single-Servo AF
      AF Detection Range-9 to +19 EV-3 to +18 EV
      Number of Focus Points49327
      Touch-to-Focus
      Live View Autofocus
      Animal Eye Detection
      Vehicle Tracking Mode
      Insect Tracking Mode
      Contrast Detection for Autofocus
      Phase Detection for Autofocus
      Optics Nikon Z8 Pentax 645Z
      Lens MountNikon ZPentax 645AF2
      Crop Factor1x0.79x
      Image Stabilization5-Axis Sensor Shift
      Image Stabilization Compensation6 stops
      Digital Image Stabilization
      Screen Nikon Z8 Pentax 645Z
      Screen TypeTiltingTilting
      Screen TechnologyTFT LCD
      Touch Screen
      Screen Size3.2"3.2"
      Screen Resolution2,100k dot1,037k dot
      Top LCD Screen
      Live View
      Live Composition
      Viewfinder Nikon Z8 Pentax 645Z
      ViewfinderElectronic (OLED)Optical (pentaprism)
      Viewfinder Size0.5"
      Viewfinder Coverage100%98%
      Viewfinder Magnification0.80x0.56x
      Viewfinder Magnification (35mm equivalent)0.80x0.71x
      Viewfinder Resolution3,690k dot
      No Blackout Viewfinder
      Viewfinder Eyepoint23 mm
      Diopter Adjustment-4 to +3-3.5 to +2
      Eye SensorAutomatically switches between monitor and viewfinder displays
      Shutter Nikon Z8 Pentax 645Z
      Shutter TypeElectronicMechanical Focal Plane
      Min Shutter Speed900 sec30 sec
      Max Shutter Speed (Mechanical or 1st Curtain)1/4000 sec
      Max Shutter Speed (Electronic)1/32000 sec
      Max Continuous Shooting (Electronic)30.0 fps
      Max Continuous Shooting30.0 fps3.0 fps
      Anti-dust Shutter
      Continuous Shooting Resolution/fps/bufferElectronic Shutter
      Up to 20 fps at 45.7 MP for up to 1000 Frames (Raw)
      Up to 30 fps at 45.7 MP for Unlimited Frames (JPEG)
      Up to 60 fps at 19 MP
      Up to 120 fps at 11 MP      		Up to 3 fps for up to 30 Frames (JPEG) / 12 Frames (TIFF) / 10 Frames (Raw)
      Flash Nikon Z8 Pentax 645Z
      Built-in Flash
      Flash ModesFront-curtain sync
      Rear-curtain sync
      Red-eye reduction
      Red-eye reduction with slow sync
      Slow sync
      Off      		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 Speed1/200 sec1/125 sec
      Flash Compensation-3 to +1 EV (1/3, 1/2 EV Steps)-2 to +1 EV (1/2 EV Steps)
      External Flash Connectivity
      External Flash SystemTTL: i-TTL flash control; i-TTL balanced fill-flash is used with matrix, center-weighted, and highlight-weighted metering, standard i-TTL fill-flash with spot meteringP-TTL
      External Flash ConnectionHot ShoeHot Shoe, X-Sync Terminal
      Exposure Nikon Z8 Pentax 645Z
      Exposure Metering ModesMulti
      Center-weighted
      Highlight-weighted
      Spot
      Spot AF-area      		Multi
      Center-weighted
      Spot
      Exposure ModesAperture Priority, Manual, Program, Shutter PriorityAperture Priority, Manual, Program, Sensitivity Priority, Shutter Priority
      Metering Range-3 to +17 EV-1 to +21 EV
      Exposure Compensation±5 EV (1/3 EV, 1/2 EV increments)±5 EV (1/3 EV, 1/2 EV increments)
      Exposure Bracketing ±5 EV (2, 3, 5 shots at 1/3 EV, 1/2 EV, 1 EV, 2 EV increments)
      Exposure LockLuminosity locked at detected value
      DXO Nikon Z8 Pentax 645Z
      DxO Low Light ISO25484505
      DxO Color Depth26.326.0
      DxO Dynamic Range14.214.7
      DxO Overall Score98101
      Video Nikon Z8 Pentax 645Z
      Movie File FormatMOV
      MP4
      NEV
      Internal Recording ModesH.265 4:2:2 10-Bit
      8K UHD: 7680 x 4320 @ 23.98/25/29.97 fps
      4K UHD: 3840 x 2160 @ 23.98/25/29.97/50/59.94/100 fps
      ProRes 422 HQ 4:2:2 10-Bit
      4K UHD: 3840 x 2160 @ 23.98/25/29.97 fps
      H.265 4:2:0 8-Bit
      4K UHD: 3840 x 2160 @ 23.98/25/29.97 fps
      H.264 4:2:0 8-Bit
      4K UHD: 3840 x 2160 @ 23.98/25/29.97 fps
      Full HD: 1920 x 1080p @ 23.98/25/29.97/50/59.94/100 fps
      Raw 12-Bit
      7680 x 4320 @ 23.98/25/29.97/50/59.94 fps      		AVI/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 FormatsH.264, H.265MPEG-4, H.264
      Max Video Resolution7680 x 43201920 x 1080
      10-bit 4:2:2 Color
      External Recording ModesHDMI
      UHD 8K (7680 x 4320) up to 29.97 fps
      UHD 4K (3840 x 2160)      		HDMI
      1920 x 1080p
      1280 x 720
      1280 x 576
      720 x 480
      No crop on 4K Videos
      Webcam Functionality
      Gamma CurveHDR-HLG
      Unlimited Video Recording
      Recording Limit2 hour, 5 min25 min
      Terminals Nikon Z8 Pentax 645Z
      Audio I/O1 x 1/8" / 3.5 mm TRS Stereo Headphone Input
      1 x 1/8" / 3.5 mm TRS Stereo Microphone Input/Output      		1 x 1/8" / 3.5 mm TRS Stereo Microphone Input
      Power I/O1 x USB-C Input
      Other I/O1 x USB-C Data Output
      1 x Nikon 10-Pin Control Input      		1 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 3.2 Gen 1x1 (5 GBit/sec)USB 3.2 Gen 1x1 (5 GBit/sec)
      HDMI Output Full Size Micro Type D
      SpeakerMonoStereo
      Built-in MicrophoneStereoMono
      Microphone Input
      Headphone Output
      Flash Sync Port
      Connectivity Nikon Z8 Pentax 645Z
      Built-in GPS
      Built-In Wi-Fi
      Wi-Fi VersionWi-Fi 5, 802.11ac/b/g/n, 2.4/5 GHz
      Built-In Bluetooth
      Bluetooth Version5
      Mobile App Compatible: Android & iOS
      App Name: SnapBridge
      *As of May, 2023: Check with manufacturer for the most up-to-date compatibility
      Remote Control via app
      Environmental Nikon Z8 Pentax 645Z
      Environmental Sealing
      Operating Temperature14 to 104°F / -10 to 40°C14 to 104°F / -10 to 40°C
      Operating Humidity0 to 85%
      Physical Nikon Z8 Pentax 645Z
      Dimensions144 x 119 x 83 mm (5.67 x 4.69 x 3.27")156 x 117 x 123 mm (6.14 x 4.61 x 4.84")
      Weight (inc. batteries)910 g (2.01 lb / 32.10 oz)1550 g (3.42 lb / 54.67 oz)
      Box Dimensions (LxWxH)9.55 x 8.3 x 6.05"10 x 9.291 x 8.583"
      Package Weight3.565 lb6.7 lb
      Power and Storage Nikon Z8 Pentax 645Z
      Battery PackEN-EL15cD-LI90
      Battery Life330 shots650 shots
      USB Charging
      Internal Storage
      External StorageSlot 1: CFexpress Type B / XQD
      Slot 2: SD/SDHC/SDXC (UHS-II)      		Dual Slot: SD/SDHC/SDXC (UHS-I)
      Other Nikon Z8 Pentax 645Z
      Self Timer 2 or 10 secs
      Orientation Sensor
      Tripod Mounting Thread1 x 1/4"-20 Female (Bottom)1 x 1/4"-20 Female (Bottom)
      1 x 1/4"-20 Female (Side)
      Accessory Mount1 x Hot Shoe Mount on Camera Body1 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 Dust Off reference data (NX Studio software required)


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