Sony Alpha 7R IIIA vs Sony Alpha SLT-A99 II

      84
      Image cannot be found
      82
      Image cannot be found
      Image cannot be found
      Image cannot be found
      Image cannot be found
      Image cannot be found

      Disclosure: We earn money from the affiliate links to products associated with content in this article.

      Specifications

      General Sony Alpha 7R IIIA Sony Alpha SLT-A99 II
      BrandSonySony
      ModelAlpha 7R IIIAAlpha SLT-A99 II
      Predecessor ModelSony Alpha 7R II Sony Alpha SLT-A99
      Successor ModelSony Alpha 7R IV
      MSRP$3199 (body only)$3199
      Camera TypeInterchangeable LensInterchangeable Lens
      Body TypeMirrorlessSLT
      Video Capture
      Sensor Sony Alpha 7R IIIA Sony Alpha SLT-A99 II
      Sensor TypeBSI-CMOSBSI-CMOS
      Sensor SizeFull FrameFull Frame
      Sensor Dimensions35.9 x 24 mm35.9 x 24 mm
      Total Pixels43.6 Megapixel43.6 Megapixel
      Effective Pixels42.4 Megapixel42.4 Megapixel
      Low Pass Filter
      Native ISO Range100 - 32,000100 - 25,600
      Boosted ISO Range50 - 102,40050 - 102,400
      Photo Sony Alpha 7R IIIA Sony Alpha SLT-A99 II
      ProcessorBIONZ XBIONZ X
      Max Image Resolution7952 x 53047952 x 5304
      Image Aspect Ratios3:2, 16:93:2, 16:9
      Image File FormatJPEG, RAWJPEG, RAW
      JPEG Quality LevelsExtra fine, fine, standardExtra fine, fine, normal
      Bit Depth14-Bit14-Bit
      Color SpacexvYCC (x.v.color when connected via HDMI cable) compatible with TRILUMINOS color
      Timelapse Recording
      White BalancePresets: Auto, Cloudy, Color Temperature, Custom, Daylight, Flash, Fluorescent (Cool White), Fluorescent (Daylight), Fluorescent (Warm White), Incandescent, Shade, Underwater
      WB Bracketing3 frames
      Focus Sony Alpha 7R IIIA Sony Alpha SLT-A99 II
      Focusing SystemFast Hybrid AF (Phase-detection / Contrast-detection)TTL Phase-detection AF
      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, Direct Manual Focus, Manual Focus, Single-Servo AF
      AF Detection Range-2 to +20 EV-4 to +18 EV
      Number of Focus Points425399
      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
      Optics Sony Alpha 7R IIIA Sony Alpha SLT-A99 II
      Lens MountSony ESony A
      Crop Factor1x1x
      Image Stabilization5-Axis Sensor Shift5-Axis Sensor Shift
      Image Stabilization Compensation5.5 stops
      Digital Image Stabilization
      Screen Sony Alpha 7R IIIA Sony Alpha SLT-A99 II
      Screen TypeTiltingFully Articulated
      Screen TechnologyTFT LCDWhiteMagic TFT LCD
      Touch Screen
      Tilt&Flip Screen
      Selfie & Vlogger Friendly LCD Screen
      Screen Size3.0"3.0"
      Screen Resolution2,360k dot1,229k dot
      Top LCD Screen
      Live View
      Live Composition
      Viewfinder Sony Alpha 7R IIIA Sony Alpha SLT-A99 II
      ViewfinderElectronicElectronic
      Viewfinder Size0.5"0.51"
      Viewfinder Coverage100%100%
      Viewfinder Magnification0.78x0.78x
      Viewfinder Magnification (35mm equivalent)0.78x0.78x
      Viewfinder Resolution3,686k dot2,359k dot
      Viewfinder Eyepoint23 mm23 mm
      Diopter Adjustment-4 to +3-4 to +3
      Shutter Sony Alpha 7R IIIA Sony Alpha SLT-A99 II
      Shutter TypeElectronic
      Min Shutter Speed30 sec30 sec
      Max Shutter Speed (Mechanical or 1st Curtain)1/8000 sec1/8000 sec
      Max Continuous Shooting10.0 fps12.0 fps
      Continuous Shooting Resolution/fps/bufferUp 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)      		Up to 12 fps at 42 MP
      Flash Sony Alpha 7R IIIA Sony Alpha SLT-A99 II
      Built-in Flash
      Flash ModesOff
      Auto
      Fill-flash
      Slow Sync
      Rear Sync
      Red-eye reduction
      Wireless
      Hi-speed sync      		Off
      auto
      fill
      slow sync
      redeye reduction
      rear sync
      high-speed sync
      wireless
      Max Flash Sync Speed1/250 sec1/250 sec
      Flash Compensation-3 to +3 EV (1/3, 1/2 EV Steps)-3 to +3 EV (1/3, 1/2 EV Steps)
      External Flash Connectivity
      External Flash SystemTTLP-TTL
      External Flash ConnectionIntelligent Hot Shoe, PC TerminalHot Shoe, Proprietary
      Exposure Sony Alpha 7R IIIA Sony Alpha SLT-A99 II
      Exposure Metering ModesMulti
      Center-weighted
      Spot      		Multi
      Center-weighted
      Highlight-weighted
      Spot
      Exposure ModesAperture Priority, Auto, Manual, Program, Shutter PriorityAperture Priority, Auto, Manual, Program, Shutter Priority
      Metering Range-3 to +20 EV-2 to +17 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 (3, 5 shots at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV, 2 EV increments)
      Exposure LockAvailable with AE lock button. AE is also locked when focus is locked in multi-segment metering mode. (AEL w/shutter (Auto/On/Off) is supported)
      DXO Sony Alpha 7R IIIA Sony Alpha SLT-A99 II
      DxO Low Light ISO35232317
      DxO Color Depth26.025.4
      DxO Dynamic Range14.713.4
      DxO Overall Score10092
      Video Sony Alpha 7R IIIA Sony Alpha SLT-A99 II
      Internal Recording ModesXAVC S
      4K UHD: 3840 x 2160 @ 23.98/25/29.97 fps [60 to 100 Mbps]
      Full HD: 1920 x 1080p @ 23.98/25/29.97/50/59.94/100 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]
      Video FormatsMPEG-4, AVCHD, XAVC SMPEG-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) @ 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
      Gamma CurveHDR-HLG, Sony S-Log 2, Sony S-Log 3
      Unlimited Video Recording
      Recording Limit30 min30 min
      Terminals Sony Alpha 7R IIIA Sony Alpha SLT-A99 II
      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 IIIA Sony Alpha SLT-A99 II
      Built-in GPS
      Built-In Wi-Fi
      Wi-Fi Version802.11b/g/n, 2.4 GHz802.11b/g/n, 2.4 GHz
      Built-In Bluetooth
      Bluetooth Version4.1
      NFC
      Remote Control wired, wireless, smartphone wired, wireless, or smartphone
      Environmental Sony Alpha 7R IIIA Sony Alpha SLT-A99 II
      Environmental Sealing
      Operating Temperature32 to 104°F / 0 to 40°C32 to 104°F / 0 to 40°C
      Physical Sony Alpha 7R IIIA Sony Alpha SLT-A99 II
      Dimensions127 x 96 x 74 mm (5 x 3.78 x 2.91")143 x 104 x 76 mm (5.63 x 4.09 x 2.99")
      Weight (inc. batteries)657 g (1.45 lb / 23.17 oz)849 g (1.87 lb / 29.95 oz)
      Box Dimensions (LxWxH)9.6 x 6.1 x 5.7"7.7 x 6.9 x 6.2"
      Package Weight3.005 lb3.3 lb
      Power and Storage Sony Alpha 7R IIIA Sony Alpha SLT-A99 II
      Battery PackNP-FZ100NP-FM500H
      Battery Life650 shots490 shots
      USB Charging
      Internal Storage
      External StorageSlot 1: SD/SDHC/SDXC (UHS-II)
      Slot 2: SD/SDHC/SDXC/Memory Stick Duo Hybrid (UHS-I)      		Slot 1: SD/SDHC/SDXC (UHS-II)
      Slot 2: SD/SDHC/SDXC/Memory Stick Duo Hybrid (UHS-I)
      Other Sony Alpha 7R IIIA Sony Alpha SLT-A99 II
      Self Timer 2 or 10 sec; continuous 3 or 5 exposures 2, 5, 10 secs
      Orientation Sensor
      Tripod Mounting Thread1 x 1/4"-20 Female (Bottom)
      Accessory Mount1 x Hot Shoe Mount
      Material of ConstructionMagnesium AlloyMagnesium Alloy
      Electronic Level Gauge


      For a full review please go to the review page:

      Amazon Affiliate Disclosure
      ZKelectronics is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for website owners to earn advertising fees by advertising and linking to Amazon (.com, .co.uk, .ca, etc) and any other websites that may be affiliated with Amazon Service LLC Associates Program.