Sony Alpha 7R IV vs Pentax K-1

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      Specifications

      General Sony Alpha 7R IV Pentax K-1
      BrandSonyPentax
      ModelAlpha 7R IVK-1
      Predecessor ModelSony Alpha 7R III
      Successor ModelSony Alpha 7R V Pentax K-1 Mark II
      MSRP$3500 (body only)$1799/£1599 (body only)
      Camera TypeInterchangeable LensInterchangeable Lens
      Body TypeMirrorlessDSLR
      Video Capture
      Sensor Sony Alpha 7R IV Pentax K-1
      Sensor TypeBSI-CMOSCMOS
      Sensor SizeFull FrameFull Frame
      Sensor Dimensions35.7 x 23.8 mm35.9 x 24 mm
      Total Pixels62.5 Megapixel36.77 Megapixel
      Effective Pixels61.0 Megapixel36.4 Megapixel
      Low Pass Filter
      Native ISO Range100 - 32,000100 - 204,800
      Boosted ISO Range50 - 102,800
      Sensor Shift High Resolution Mode 4/16 shots
      Photo Sony Alpha 7R IV Pentax K-1
      ProcessorBIONZ X
      Max Image Resolution9504 x 63367360 x 4912
      Image Aspect Ratios1:1, 4:3, 3:2, 16:93:2
      Image File FormatJPEG, RAW
      JPEG Quality LevelsExtra fine, fine, standard)Best, better, good
      Bit Depth14-Bit14-Bit
      Timelapse Recording
      White BalancePresets: Auto, Cloudy, Color Temperature, Custom, Daylight, Flash, Fluorescent (Cool White), Fluorescent (Day White), Fluorescent (Daylight), Fluorescent (Warm White), Incandescent, Shade, Underwater
      Focus Sony Alpha 7R IV Pentax K-1
      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
      Face Detection
      Live View
      Lens ServoAutomatic, Continuous-Servo AF, Direct Manual Focus, Manual Focus, Single-Servo AFAutomatic, Continuous-Servo AF, Manual Focus, Single-Servo AF
      AF Detection Range-3 to +20 EV
      Number of Focus Points56733
      Number of Cross-type Focus Points25
      Touch-to-Focus
      Live View Autofocus
      Animal Eye Detection
      Vehicle Tracking Mode
      Insect Tracking Mode
      Contrast Detection for Autofocus
      Phase Detection for Autofocus
      Optics Sony Alpha 7R IV Pentax K-1
      Lens MountSony EPentax KAF2
      Crop Factor1x1x
      Image Stabilization5-Axis Sensor Shift5-Axis Sensor Shift
      Image Stabilization Compensation5.5 stops
      Digital Image Stabilization
      Screen Sony Alpha 7R IV Pentax K-1
      Screen TypeTiltingFully Articulated
      Screen TechnologyTFT LCDTFT LCD
      Touch Screen
      Screen Size3.0"3.2"
      Screen Resolution1,440k dot1,037k dot
      Top LCD Screen
      Live View
      Live Composition
      Viewfinder Sony Alpha 7R IV Pentax K-1
      ViewfinderElectronic (OLED)Optical (pentaprism)
      Viewfinder Size0.5"
      Viewfinder Coverage100%100%
      Viewfinder Magnification0.78x0.70x
      Viewfinder Magnification (35mm equivalent)0.78x0.70x
      Viewfinder Resolution5,760k dot
      Viewfinder Eyepoint23 mm20.6 mm
      Diopter Adjustment-4 to +3-3.5 to +1.2
      Shutter Sony Alpha 7R IV Pentax K-1
      Shutter TypeElectronic
      Min Shutter Speed30 sec30 sec
      Max Shutter Speed (Mechanical or 1st Curtain)1/8000 sec1/8000 sec
      Max Continuous Shooting10.0 fps4.4 fps
      Continuous Shooting Resolution/fps/bufferUp to 10 fps at 61 MP for up to 68 Frames (JPEG)
      Flash Sony Alpha 7R IV Pentax K-1
      Built-in Flash
      Flash ModesFlash off
      Autoflash
      Fill-flash
      Slow Sync.
      Rear Sync.
      Red-eye reduction
      Wireless
      Hi-speed sync.      		Auto Flash Discharge
      Auto Flash + Red-eye Reduction
      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 sec1/200 sec
      Flash Compensation-3 to +3 EV (1/3, 1/2 EV Steps)
      External Flash Connectivity
      External Flash SystemS-TTL
      External Flash ConnectionIntelligent Hot Shoe, PC TerminalHot Shoe, PC Terminal
      Exposure Sony Alpha 7R IV Pentax K-1
      Exposure Metering ModesMulti
      Center-weighted
      Highlight-weighted
      Average
      Spot      		Multi
      Center-weighted
      Spot
      Exposure ModesAperture Priority, Manual, Program, Shutter Priority
      Metering Range-3 to +20 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 (3, 5 shots at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV increments) ±5 EV (2, 3, 5 shots at 1/3 EV, 1/2 EV increments)
      DXO Sony Alpha 7R IV Pentax K-1
      DxO Low Light ISO33443280
      DxO Color Depth26.025.4
      DxO Dynamic Range14.814.6
      DxO Overall Score9996
      Video Sony Alpha 7R IV Pentax K-1
      Internal Recording ModesXAVC S
      4K UHD: 3840 x 2160 @ 23.98/25/29.97 fps [60 to 100 Mbps]
      Full HD: 1920 x 1080p @ 23.98/24/25/29.97/50/59.94/100 fps [16 to 100 Mbps]
      AVCHD
      Full HD: 1920 x 1080i @ 50/59.94 fps [17 to 24 Mbps]
      Interval Recording
      Video FormatsMPEG-4, XAVC S, H.264MPEG-4, H.264
      Max Video Resolution3840 x 21601920 x 1080
      External Recording Modes4:2:2 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
      Webcam Functionality
      Unlimited Video Recording
      Recording Limit13 hours25 min
      Terminals Sony Alpha 7R IV Pentax K-1
      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 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 2.0 (480 Mbit/sec)
      HDMI Output Micro Micro
      SpeakerMonoMono
      Built-in MicrophoneStereoStereo
      Microphone Input
      Headphone Output
      Flash Sync Port
      Connectivity Sony Alpha 7R IV Pentax K-1
      Built-in GPS
      Built-In Wi-Fi
      Wi-Fi VersionWi-Fi 5, 802.11ac/b/g/n, 2.4/5 GHz802.11b/g/n, 2.4 GHz
      Built-In Bluetooth
      NFC
      Remote Control via smartphone wired, wireless, or smartphone
      Environmental Sony Alpha 7R IV Pentax K-1
      Environmental Sealing
      Operating Temperature32 to 104°F / 0 to 40°C
      Physical Sony Alpha 7R IV Pentax K-1
      Dimensions129 x 96 x 78 mm (5.08 x 3.78 x 3.07")137 x 110 x 86 mm (5.39 x 4.33 x 3.39")
      Weight (inc. batteries)665 g (1.47 lb / 23.46 oz)1010 g (2.23 lb / 35.63 oz)
      Box Dimensions (LxWxH)9.5 x 6.1 x 5.5"10.3 x 7.2 x 4.8"
      Package Weight3.04 lb5.25 lb
      Power and Storage Sony Alpha 7R IV Pentax K-1
      Battery PackNP-FZ100D-LI90
      Battery Life670 shots760 shots
      USB Charging
      Internal Storage
      External StorageDual Slot: SD/SDHC/SDXC (UHS-II)Dual Slot: SD/SDHC/SDXC (UHS-I)
      Other Sony Alpha 7R IV Pentax K-1
      Self Timer 2, 5 or 10 sec 2 or 12 sec, custom
      Astro Tracer feature for Astrophotography
      Orientation Sensor
      Tripod Mounting Thread1 x 1/4"-20 Female (Bottom)
      Accessory Mount1 x Hot Shoe Mount
      Material of ConstructionMagnesium Alloy
      Electronic Level Gauge


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