Skip to content

Sony Alpha a7S III Mirrorless Camera - Body Only

by Sony
$3,499.99
SKU ILCE7SM3-B

Introducing the Alpha 7S III – a new milestone in sensitivity, speed and image supremacy. Featuring an all-new 12.1MP1 backside illuminated full-frame sensor with twice the readout speed* for ultra-clean low-light images up to ISO 409,6003 with 15+ stops dynamic range4 and 3x reduction in rolling shutter, plus Sony’s acclaimed fast hybrid autofocus with 759 phase detection AF points. A new BIONZ XR processing engine deliver 8x more processing power2 for up to 120p5 4K 10-bit 4:2:2 and full pixel readout in all recording modes.


  • 12.1MP Exmor R sensor, optimized for 4K, sensitivity and speed
  • New BIONZ XR processing engine delivers 8x more processing power
  • Low noise images with ISO up to 409,6003 and 15+stop dynamic range
  • Up to 4K 120p 10-bit 4:2:2 and full pixel readout in all rec. modes
  • Up to 4K 120p in XAVC S (AVC), XAVC HS (HEVC) and XAVC S-I (All-I) 
  • 16-bit RAW movie output up to 4K 60p via HDMI Type-A connector
  • Effective internal heat dissipation enables 1-hour 4K 60p recording
  • Fast readout for high frame rates, faster AF, minimal rolling shutter
  • No 29m 50s continuous recording limit for movie shooting
  • 3” flip-out, vari-angle LCD monitor with touch menu and controls
  • Dual card slots, both compatible with CFexpress Type A and SDXC/SDHC
  • World’s first 9.44M dot 0.64” QXGA OLED eye-level viewfinder
  • Incredible autofocus with 759 phase detection AF points, 92% coverage 
  • 30% improved Real-time Eye-AF and Real-time AF tracking down to EV-6
  • 5-axis in-body image stabilization with selectable Active mode
  • New menu layout with intuitive 3 level structure and touch navigation
  • Robust magnesium alloy body with dust and moisture resistant sealing
  • MI shoe with digital audio interface up to 4ch. 24bit capability
  • SuperSpeed USB-C with power delivery and Ethernet wired LAN
  • Long Z-battery life extendable via USB Type C with Power Delivery
  • Picture Profiles including 10-bit 4:2:2 HLG and S-Log 2 & 3
  • 10 in-camera customizable Creative Looks for stills and movies
  • 7x adjustable AF Transition Speeds, 5x AF Subject Shift Sensitivity
  • Up to 1000 RAW+JPEG at 10fps with continuous autofocus and exposure
  • 10-bit HEIF HLG still capture with selectable 4:2:0 or 4:2:2 sampling
  • Class leading compact size and weight
  • Visible Light and IR Sensor improves WB accuracy in artificial light
  • High-speed 2.4 and 5GHz Wi-Fi / FTP transfer and wireless PC remote