Sony A7s Mark III

bythom sony a7sIII

The A7s Mark III is the third generation of a video-oriented version of the A7 camera, featuring high performance video specs. The "S" stands for "sensitive", as in more sensitive to light.

  • Sensor
    • 12.1mp Sony full frame BSI CMOS sensor 
    • Exmor R, copper wired
    • 35.6 x 23.8mm
    • no AA filter
    • five axis image stabilization (5.5 stops CIPA)
  • ISP: BIONZ XR (dual chip)
  • Mount: Sony NEX (FE-Mount; E-mount compatible)
  • Images: 
    • 4240 x 2832 JPEG, plus 10-bit HEIF
    • up to 16-bit ARW raw
    • 3:2, 16:9, 4:3, 1:1 aspect ratios
    • maximum 10 fps continuous (with focus)
    • 1000 frame uncompressed raw buffer with CFe Type A card
  • Video:  
    • UHD (3840x2160 at 120/60/50/30/25/24 fps, 10-bit 4:2:2,  no crop
    • 1080P 1920x1080 at 240/120/60/50/25/24 fps, 10-bit 4:2:2
    • 1.13x crop with Active IS
    • XAVC S-I (All-I) up to 600Mbps, XAVC-HS up to 200Mbps
    • 28Mbps AVCHD with stereo audio
    • Type A HDMI connector
    • HDMI port output is uncompressed 16-bit, 4:2:2 color, supports ProRes Raw (requires HDMI 2.1 to an Atomos recorder)
    • Timelapse to 1 fps
    • Full pixel sampling
    • S-Log 2 and S-Log 3 recording
    • HLG support
  • Shutter: 
    • mechanical 30 sec to 1/8000 sec, bulb
    • rated to 500k cycles
    • 1/250 flash sync,
  • Exposure: 
    • multi, center-weighted, spot metering
    • -5 to +5EV exposure compensation
    • 9 white balance settings (plus Auto and Custom)
    • ISO 80-102400 (plus Auto and 40, 204800, 409600)
  • Focus: 
    • 769 phase detect (425 contrast detect) sites
    • autofocus works in all video modes
    • covers 92% of the image sensor
    • autofocus in light down to -6EV (f/2 lens)
    • customizable focus shift speeds
    • single point, multi-area, face/eye/animal detect, tracking, manual focus override
  • Display: 
    • 3” 1.44m dot 
    • articulating touch LCD
  • Viewfinder
    • 9.44m dot OLED EVF (QXGA equivalent)
    • 0.9x magnification 
    • 25mm eye point
    • +3 to -4m diopter
  • Flash: 
    • hot shoe 
    • red-eye reduction, slow sync, rear sync
  • Remote: optional RM-VPR1
  • Connectivity: 
    • Wi-Fi 802.11ac
    • Bluetooth 5.0 with NFC
    • USB 3.2 Gen 1
    • Digital Audio Interface (in hot shoe)
  • Other:
    • weather-sealed body with passive cooling system
    • optional vertical grip
  • Cards: 
    • Dual card slot (multiple formats)
    • SD UHS II
    • CFexpress Type A
  • Battery: 
    • NP-FZ100 
    • 600 shots CIPA with EVF
    • 95 minutes shooting video
    • charge or power via USB
  • Size and weight: 
    • 5.1" (128.9mm) wide
    • 3.8" (96.9mm) tall
    • 3.2" (80.8mm) deep
    • 24.7 ounces (699g with battery)
  • Price: US$3499 body only
  • Current Firmware: version 1.0.0
  • Announced: July 28, 2020

Sony FE lenses for this camera

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