Nikon D850 vs Sony Alpha 7R IIIA

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      Specifications

      General Nikon D850 Sony Alpha 7R IIIA
      BrandNikonSony
      ModelD850Alpha 7R IIIA
      Predecessor ModelNikon D810 Sony Alpha 7R II
      Successor ModelSony Alpha 7R IV
      MSRP$3299$3199 (body only)
      Camera TypeInterchangeable LensInterchangeable Lens
      Body TypeDSLRMirrorless
      Video Capture
      Sensor Nikon D850 Sony Alpha 7R IIIA
      Sensor TypeBSI-CMOSBSI-CMOS
      Sensor FormatFX
      Sensor SizeFull FrameFull Frame
      Sensor Dimensions35.9 x 23.9 mm35.9 x 24 mm
      Total Pixels46.89 Megapixel43.6 Megapixel
      Effective Pixels45.7 Megapixel42.4 Megapixel
      Low Pass Filter
      Native ISO Range64 - 25,600100 - 32,000
      Boosted ISO Range32 - 102,40050 - 102,400
      Photo Nikon D850 Sony Alpha 7R IIIA
      ProcessorEXPEED 5BIONZ X
      Max Image Resolution8256 x 55047952 x 5304
      Image Aspect Ratios1:1, 5:4, 3:2, 16:93:2, 16:9
      Image File FormatJPEG, RAW, TIFFJPEG, RAW
      JPEG Quality LevelsFine, normal, basicExtra fine, fine, standard
      Bit Depth14-Bit14-Bit
      Timelapse Recording
      White BalancePresets: Auto, Cloudy, Color Temperature, Direct Sunlight, Fine, Flash, Fluorescent, Fluorescent (White), Incandescent, Neutral White, Preset Manual, ShadePresets: Auto, Cloudy, Color Temperature, Custom, Daylight, Flash, Fluorescent (Cool White), Fluorescent (Daylight), Fluorescent (Warm White), Incandescent, Shade, Underwater
      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
      Off
      Focus Nikon D850 Sony Alpha 7R IIIA
      Focusing SystemFast Hybrid AF (Phase-detection / Contrast-detection)
      Autofocus ModesMulti-area
      Center
      Selective single-point
      Tracking
      Single
      Continuous
      Touch
      Face Detection
      Live View      		Multi-area
      Center
      Selective single-point
      Tracking
      Single
      Continuous
      Touch
      Face Detection
      Live View
      Lens ServoAutomatic, Continuous-Servo AF, Manual Focus, Single-Servo AFAutomatic, Continuous-Servo AF, Direct Manual Focus, Manual Focus, Single-Servo AF
      AF Detection Range-4 to +20 EV-2 to +20 EV
      Number of Focus Points153425
      Number of Cross-type Focus Points99
      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 D850 Sony Alpha 7R IIIA
      Lens MountNikon FSony E
      Crop Factor1x1x
      Image Stabilization5-Axis Sensor Shift
      Image Stabilization Compensation5.5 stops
      Digital Image Stabilization
      Reflex MirrorQuick-return type
      Screen Nikon D850 Sony Alpha 7R IIIA
      Screen TypeTiltingTilting
      Screen TechnologyTFT LCDTFT LCD
      Touch Screen
      Screen Size3.2"3.0"
      Screen Resolution2,359k dot2,360k dot
      Top LCD Screen
      Live View
      Live Composition
      Viewfinder Nikon D850 Sony Alpha 7R IIIA
      ViewfinderOptical (pentaprism)Electronic
      Viewfinder Size0.5"
      Viewfinder Coverage100%100%
      Viewfinder Magnification0.75x0.78x
      Viewfinder Magnification (35mm equivalent)0.75x0.78x
      Viewfinder Resolution3,686k dot
      Viewfinder Eyepoint17 mm23 mm
      Diopter Adjustment-3 to +1-4 to +3
      Shutter Nikon D850 Sony Alpha 7R IIIA
      Shutter TypeElectronic, Mechanical Focal PlaneElectronic
      Min Shutter Speed30 sec30 sec
      Max Shutter Speed (Mechanical or 1st Curtain)1/8000 sec1/8000 sec
      Max Continuous Shooting7.0 fps10.0 fps
      Mirror Lock Up
      Continuous Shooting Resolution/fps/bufferUp to 7 fps at 45.7 MP for up to 51 Frames (Raw)Up to 10 fps at 42.4 MP for up to 76 Frames (Raw) / 76 Frames (JPEG)
      Up to 8 fps at 42.4 MP for up to 76 Frames (Raw) / 76 Frames (JPEG)
      Up to 6 fps at 42.4 MP for up to 76 Frames (Raw) / 76 Frames (JPEG)
      Up to 3 fps at 42.4 MP for up to 76 Frames (Raw) / 76 Frames (JPEG)
      Flash Nikon D850 Sony Alpha 7R IIIA
      Built-in Flash
      Flash ModesFront-curtain sync (normal)
      Rear-curtain sync
      Red-eye reduction
      Red-eye reduction with slow sync
      Slow sync      		Off
      Auto
      Fill-flash
      Slow Sync
      Rear Sync
      Red-eye reduction
      Wireless
      Hi-speed sync
      Max Flash Sync Speed1/250 sec1/250 sec
      Flash Compensation-3 to +1 EV (1/3, 1/2, 1 EV Steps)-3 to +3 EV (1/3, 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 RGB sensor with approximately 180K (180,000) pixels; i-TTL balanced fill-flash for digital SLR is used with matrix, center-weighted, and highlight-weighted metering, standard i-TTL fill-flash for digital SLR with spot meteringTTL
      External Flash ConnectionHot Shoe, PC TerminalIntelligent Hot Shoe, PC Terminal
      Exposure Nikon D850 Sony Alpha 7R IIIA
      Exposure Metering ModesMulti
      Center-weighted
      Highlight-weighted
      Spot      		Multi
      Center-weighted
      Spot
      Exposure ModesAperture Priority, Manual, Program, Shutter PriorityAperture Priority, Auto, Manual, Program, Shutter Priority
      Metering Range-3 to +20 EV-3 to +20 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 ±5 EV (2, 3, 5, 7 shots at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV increments) ±5 EV (3, 5 shots at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV, 2 EV increments)
      Exposure Lock
      DXO Nikon D850 Sony Alpha 7R IIIA
      DxO Low Light ISO26603523
      DxO Color Depth26.426.0
      DxO Dynamic Range14.814.7
      DxO Overall Score100100
      Video Nikon D850 Sony Alpha 7R IIIA
      Movie File FormatMOV
      MP4
      Internal Recording ModesH.264/MOV/MP4
      4K UHD: 3840 x 2160 @ 23.98/25/29.97 fps
      Full HD: 1920 x 1080p @ 23.98/25/29.97/50/59.94 fps
      HD: 1280 x 720 @ 50/59.94 fps      		XAVC S
      4K UHD: 3840 x 2160 @ 23.98/25/29.97 fps [60 to 100 Mbps]
      Full HD: 1920 x 1080p @ 23.98/25/29.97/50/59.94/100 fps [100 Mbps]
      HD: 1280 x 720 @ 100 fps [50 Mbps]
      AVCHD
      Full HD: 1920 x 1080p @ 23.98/25/50/59.94 fps [17 to 28 Mbps]
      Full HD: 1920 x 1080i @ 50/59.94 fps [17 to 24 Mbps]
      MP4
      Full HD: 1920 x 1080p @ 25/29.97/50/59.94 fps [16 to 28 Mbps]
      HD: 1280 x 720 @ 25/29.97 fps [6 Mbps]
      Interval Recording
      Video FormatsMPEG-4MPEG-4, AVCHD, XAVC S
      Max Video Resolution3840 x 21603840 x 2160
      External Recording Modes4:2:2 8-Bit via HDMI
      UHD 4K (3840 x 2160) @ 24.00/25/29.97 fps
      1920 x 1080p @ 24.00/25/29.97/50/59.94 fps
      1280 x 720 @ 50/59.94 fps      		4:2:2 8-Bit via HDMI
      UHD 4K (3840 x 2160) @ 23.98/24.00/25/29.97 fps
      1920 x 1080p @ 23.98/24.00/50/59.94 fps
      1920 x 1080i @ 50/59.94 fps
      No crop on 4K Videos
      Webcam Functionality
      Gamma CurveHDR-HLG, Sony S-Log 2, Sony S-Log 3
      Unlimited Video Recording
      Recording Limit30 min - 60 fps or less
      3 min - 120/100 fps      		30 min
      Terminals Nikon D850 Sony Alpha 7R IIIA
      Audio I/O1 x 1/8" / 3.5 mm TRS Stereo Headphone Output
      1 x 1/8" / 3.5 mm TRS Stereo Microphone Input      		1 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 Micro-USB (USB 3.2 / 3.1 Gen 1) Output
      1 x Nikon 10-Pin Input
      1 x PC Sync Socket Output      		1 x Sony Multi/Micro-USB Input/Output (Shared with Remote Input)
      1 x USB-C (USB 3.2 / 3.1 Gen 1) Input/Output (Shared with Power 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 Mini Micro
      SpeakerMonoMono
      Built-in MicrophoneStereoStereo
      Microphone Input
      Headphone Output
      Flash Sync Port
      Connectivity Nikon D850 Sony Alpha 7R IIIA
      Built-in GPS
      Built-In Wi-Fi
      Wi-Fi Version802.11b/g, 2.4 GHz802.11b/g/n, 2.4 GHz
      Built-In Bluetooth
      Bluetooth Version4.1 LE
      NFC
      Mobile App Compatible *As of May, 2023: Check with manufacturer for the most up-to-date compatibility
      Remote Control wired, wireless, smartphone wired, wireless, smartphone
      Environmental Nikon D850 Sony Alpha 7R IIIA
      Environmental Sealing
      Operating Temperature32 to 104°F / 0 to 40°C32 to 104°F / 0 to 40°C
      Operating Humidity0 to 85%
      Physical Nikon D850 Sony Alpha 7R IIIA
      Dimensions146 x 124 x 79 mm (5.75 x 4.88 x 3.11")127 x 96 x 74 mm (5 x 3.78 x 2.91")
      Weight (inc. batteries)1005 g (2.22 lb / 35.45 oz)657 g (1.45 lb / 23.17 oz)
      Box Dimensions (LxWxH)10.2 x 6.4 x 5.7"9.6 x 6.1 x 5.7"
      Package Weight4.265 lb3.005 lb
      Power and Storage Nikon D850 Sony Alpha 7R IIIA
      Battery PackEN-EL15aNP-FZ100
      Battery Life1840 shots650 shots
      USB Charging
      Internal Storage
      External StorageSlot 1: SD/SDHC/SDXC (UHS-II)
      Slot 2: CFexpress Type B / XQD      		Slot 1: SD/SDHC/SDXC (UHS-II)
      Slot 2: SD/SDHC/SDXC/Memory Stick Duo Hybrid (UHS-I)
      Other Nikon D850 Sony Alpha 7R IIIA
      Self Timer 2, 5, 10, 20 secs 2 or 10 sec; continuous 3 or 5 exposures
      Orientation Sensor
      Tripod Mounting Thread1 x 1/4"-20 Female (Bottom)1 x 1/4"-20 Female (Bottom)
      Accessory Mount1 x Hot Shoe Mount1 x Hot Shoe Mount
      Material of ConstructionMagnesium AlloyMagnesium Alloy
      Illuminated Buttons
      Electronic Level Gauge
      Virtual Horizon Camera Indicator
      Also visible in LiveView Modes
      Also visible in Viewfinder
      Sensor Cleaning/Dust Reduction SystemImage sensor cleaning
      Image Dust Off reference data (optional Capture NX-D software required)


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