Sony a7SIII Final Specs Revealed


I pulled all the specs out of the previously leaked press release which you can read organized below

  • Improved 12-megapixel BSI sensor
  • 4K at 120p
  • Exceptional results in low-light photography
  • Maximum sensitivity is still ISO 409.600
  • Expanded ISO 40
  • New BIONZ-XR processor with 8x the computing power of the old BIONZ Processor
  • 3.0 inches, 1.44 million point selfie touch screen
  • New touch screen menus
  • Controls have become larger
  • The camera has two modes of settings for photos and video
  • EVF 9.44 million points and magnification 0.9x
  • Glasses mode makes it so you can see everything with glasses on
  • Full Pixel readout without pixel binning or crop up to 4k 60p
  • 4k 60p for one hour before heat becomes an issue
  • 4k 120p has 1.1x crop and more limited length
  • 1080 240p
  • Can record at 1p for time-lapse in S&Q mode
  • Internal 4:2:2 10-bit
  • New XAVC-SI codec All-I 500 Mbits
  • XAVS-HS reduces data demands to 200Mbits due to H.265
  • ProRes RAW Support with Atomos
  • HDMI 2.1 can output 4k 60p as 16-bit raw files for ProRes RAW
  • Logarithmic gamma profile available (S-Log 2/3) supports 15 stops ISO starts at 640 and there is extended ISO of 160
  • Significantly improved rolling shutter
  • 5-axis image stabilizer CIPA rated for 5.5 stops
  • In video mode you can add digital stabilization (active mode) which uses the gyro sensor
  • Information from gyro sensor is stored in metadata for processing later for digital stabilization
  • Fast hybrid autofocus covers 92% of the image sensor and uses 759 measuring fields with phase detection and 425 with contrast AF
  • Human and animal eye AF at greater distances than before
  • AF sensitivity of -6EV
  • 10 FPS mechanical shutter that goes up to 1/8000th
  • Dual SD UHS -II card slots that support CFexpress Type-A cards
  • For most video V60/V90 cards are sufficient
  • CFexpress is only required in S&Q mode with 4: 2: 2 color subsampling and 10-bit color depth
  • Can shoot 1,000 uncompressed raws in a row with CFexpress A cards
  • Sony plans to launch two CFexpress Type A cards in September with a write speed of 700 MB/s and a read speed of 800 MB/s
  • 80 GB version is said to be 230 euros, the 160 GB version 440 Cost euros
  • Z-Battery 600 photos or 95 minutes of video
  • Continuous power supply via USB is also possible
  • Shipping September for around 4200 euros

These specs are based on the translated leak here.

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