Sony Alpha 6600 vs Pentax 645Z

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      Specifications

      General Sony Alpha 6600 Pentax 645Z
      BrandSonyPentax
      ModelAlpha 6600645Z
      Predecessor ModelSony Alpha 6500 Pentax 645D
      Successor ModelSony Alpha 6700
      MSRP$1400 (body only), $1800 (w/18-135mm lens)$8499.95 / £6799.99 (body only), £7699.99 (with 55mm lens)
      Camera TypeInterchangeable LensInterchangeable Lens
      Body TypeMirrorlessDSLR
      Video Capture
      Sensor Sony Alpha 6600 Pentax 645Z
      Sensor TypeCMOSCMOS
      Sensor SizeAPS-CMedium format
      Sensor Dimensions23.5 x 15.6 mm44 x 33 mm
      Total Pixels25.0 Megapixel52.99 Megapixel
      Effective Pixels24.2 Megapixel51.4 Megapixel
      Low Pass Filter
      Native ISO Range100 - 32,000100 - 204,800
      Boosted ISO Range100 - 102,400
      Photo Sony Alpha 6600 Pentax 645Z
      ProcessorBIONZ XPRIME III
      Max Image Resolution6000 x 40008256 x 6192
      Other Resolutions6912 x 5184, 5376 x4032, 1920 x 1080
      Image Aspect Ratios3:2, 16:94:3
      Image File FormatJPEG, RAWDNG, JPEG, RAW
      JPEG Quality LevelsExtra fine, fine, standardSuperfine, fine, normal
      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, UnderwaterPresets: 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 Bracketing3 frames, H/L selectable
      Focus Sony Alpha 6600 Pentax 645Z
      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
      Selective single-point
      Tracking
      Single
      Continuous
      Face Detection
      Live View
      Lens ServoAutomatic, Continuous-Servo AF, Direct Manual Focus, Manual Focus, Single-Servo AFContinuous-Servo AF, Manual Focus, Single-Servo AF
      AF Detection Range-2 to +20 EV-3 to +18 EV
      Number of Focus Points42527
      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 6600 Pentax 645Z
      Lens MountSony EPentax 645AF2
      Crop Factor1.5x0.79x
      Image Stabilization5-Axis Sensor Shift
      Digital Image Stabilization
      Screen Sony Alpha 6600 Pentax 645Z
      Screen TypeTiltingTilting
      Screen TechnologyTFT LCDTFT LCD
      Touch Screen
      Selfie & Vlogger Friendly LCD Screen
      Screen Size3.0"3.2"
      Screen Resolution922k dot1,037k dot
      Top LCD Screen
      Live View
      Live Composition
      Viewfinder Sony Alpha 6600 Pentax 645Z
      ViewfinderElectronic (OLED)Optical (pentaprism)
      Viewfinder Size0.39"
      Viewfinder Coverage100%98%
      Viewfinder Magnification1.07x0.56x
      Viewfinder Magnification (35mm equivalent)0.71x0.71x
      Viewfinder Resolution2,359k dot
      Viewfinder Eyepoint23 mm
      Diopter Adjustment-4 to +3-3.5 to +2
      Shutter Sony Alpha 6600 Pentax 645Z
      Shutter TypeElectronicMechanical Focal Plane
      Min Shutter Speed30 sec30 sec
      Max Shutter Speed (Mechanical or 1st Curtain)1/4000 sec1/4000 sec
      Max Continuous Shooting11.0 fps3.0 fps
      Continuous Shooting Resolution/fps/bufferUp to 11 fps at 24.2 MP for up to 46 Frames (Raw) / 116 Frames (JPEG)
      Up to 8 fps at 24.2 MP
      Up to 6 fps at 24.2 MP
      Up to 3 fps at 24.2 MP      		Up to 3 fps for up to 30 Frames (JPEG) / 12 Frames (TIFF) / 10 Frames (Raw)
      Flash Sony Alpha 6600 Pentax 645Z
      Built-in Flash
      Flash ModesFlash off
      Autoflash
      Fill-flash
      Rear Sync.
      Slow Sync.
      Red-eye reduction (On/Off selectable)
      Hi-speed sync
      Wireless      		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 Speed1/160 sec1/125 sec
      Flash Compensation-3 to +3 EV (1/3, 1/2 EV Steps)-2 to +1 EV (1/2 EV Steps)
      External Flash Connectivity
      External Flash SystemTTLP-TTL
      External Flash ConnectionIntelligent Hot Shoe, WirelessHot Shoe, X-Sync Terminal
      Exposure Sony Alpha 6600 Pentax 645Z
      Exposure Metering ModesMulti
      Center-weighted
      Highlight-weighted
      Spot      		Multi
      Center-weighted
      Spot
      Exposure ModesAperture Priority, Auto, Manual, Program, Shutter PriorityAperture Priority, Manual, Program, Sensitivity Priority, Shutter Priority
      Metering Range-2 to +20 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 (3, 5 shots at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV, 2 EV increments) ±5 EV (2, 3, 5 shots at 1/3 EV, 1/2 EV, 1 EV, 2 EV increments)
      DXO Sony Alpha 6600 Pentax 645Z
      DxO Low Light ISO14974505
      DxO Color Depth23.826.0
      DxO Dynamic Range13.414.7
      DxO Overall Score82101
      Video Sony Alpha 6600 Pentax 645Z
      Internal Recording ModesXAVC S
      4K UHD: 3840 x 2160 @ 24/25/29.97 fps [60 to 100 Mbps]
      Full HD: 1920 x 1080p @ 23.98/25/29.97/50/59.94/100 fps [50 to 100 Mbps]
      AVCHD
      Full HD: 1920 x 1080i @ 50/59.94 fps [17 to 24 Mbps]      		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 FormatsMPEG-4, AVCHD, XAVC SMPEG-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      		HDMI
      1920 x 1080p
      1280 x 720
      1280 x 576
      720 x 480
      Webcam Functionality
      Gamma CurveHDR-HLG, Sony S-Log 2, Sony S-Log 3
      Unlimited Video Recording
      Recording LimitUnlimited25 min
      Terminals Sony Alpha 6600 Pentax 645Z
      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 Microphone Input
      Power I/O1 x Sony Multi/Micro-USB Input
      Other I/O1 x Sony Multi/Micro-USB Input/Output (Shared with Power Input, Remote 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 2.0 (480 Mbit/sec)USB 3.2 Gen 1x1 (5 GBit/sec)
      HDMI Output Micro Micro Type D
      SpeakerMonoStereo
      Built-in MicrophoneStereoMono
      Microphone Input
      Headphone Output
      Flash Sync Port
      Connectivity Sony Alpha 6600 Pentax 645Z
      Built-in GPS
      Built-In Wi-Fi
      Wi-Fi Version802.11b/g/n, 2.4 GHz
      Built-In Bluetooth
      NFC
      Mobile App Compatible *As of May, 2023: Check with manufacturer for the most up-to-date compatibility
      Remote Control via smartphone
      Environmental Sony Alpha 6600 Pentax 645Z
      Environmental Sealing
      Operating Temperature32 to 104°F / 0 to 40°C14 to 104°F / -10 to 40°C
      Physical Sony Alpha 6600 Pentax 645Z
      Dimensions120 x 67 x 69 mm (4.72 x 2.64 x 2.72")156 x 117 x 123 mm (6.14 x 4.61 x 4.84")
      Weight (inc. batteries)503 g (1.11 lb / 17.74 oz)1550 g (3.42 lb / 54.67 oz)
      Box Dimensions (LxWxH)9 x 6.9 x 4.4"10 x 9.291 x 8.583"
      Package Weight1.72 lb6.7 lb
      Power and Storage Sony Alpha 6600 Pentax 645Z
      Battery PackNP-FZ1000D-LI90
      Battery Life810 shots650 shots
      USB Charging
      Internal Storage
      External StorageSingle Slot: SD/SDHC/SDXC/Memory Stick Duo Hybrid (UHS-I)Dual Slot: SD/SDHC/SDXC (UHS-I)
      Other Sony Alpha 6600 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 Mount1 x Hot Shoe Mount
      1 x 1/4"-20 Female on Camera Body
      Material of ConstructionMagnesium AlloyMagnesium Alloy, Aluminum
      Electronic Level Gauge


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