Sony A7 Mark III

bythom sony a7 mark iii
sony a7iiia7riii button

The A7 Mark III is the second refresh of the entry-level full frame sensor mirrorless model. It features a 24mp sensor, a 2.36m dot built-in EVF, and enthusiast-type controls. In April 2021, Sony announced the A7 Mark IIIa, which differs primarily in having a slightly higher resolution rear LCD.

  • Sensor: 24.3mp Sony full frame BSI CMOS sensor with AA filter (IMX410?), 35.8 x 23.9mm, sensor 5-axis stabilized
  • Mount: Sony NEX (FE-Mount; E-mount compatible)
  • Images: 6000 x 4000 JPEG or ARW raw (14 bit); maximum 10 fps continuous (177 JPEG buffer, max 89 frame raw buffer)
  • Video:  2160P30/25/24 (100Mbps, no crop, HDR, S-Log2/3), 1080P/120/60/50/25/24, 1080i/60/50/25/24, MPEG4 with stereo audio, max 28Mbps bit rate in AVCHD, 50Mbps in XAVC S, uncompressed video off HDMI port (not all frame rates, though)
  • Shutter: mechanical 30 sec to 1/8000 sec, bulb (first shutter electronic), silent electronic shutter
  • Exposure: multi, center-weighted, spot metering, -5 to +5EV exposure compensation, 8 white balance settings (plus Auto and Custom), ISO 100-51200 (extendable to 204800) (plus Auto)
  • Focus: 693-point sensor-based phase detect AF (93% coverage, -3EV ability), 425-are contrast detect, single point, multi-area, face detect, tracking, manual focus override, focus joystick
  • Display: 3” 921k dot tilting touchscreen LCD (107° up, 41° down) 
  • Viewfinder: built-in 2.36m dot EVF with 0.78x magnification, -4 to +3m diopter, 18.5mm eyepoint
  • Flash: hot shoe, 1/250 flash sync, red-eye reduction, slow sync, rear sync
  • Remote: optional wired
  • Other Notable Features: Wi-Fi 802.11b/g/n (2.4Ghz band only), Bluetooth 4.1, NFC, weather-sealed body, PlayMemories Apps, optional VG-C3EM vertical grip (takes two batteries), USB-3.1 C
  • Cards: Dual SD, SDHC, SDXC, Memory Stick Pro Duo, Pro-HG Duo (one UHS-II compatible, one UHS-I compatible)
  • Battery: NP-FZ100 (710 shots CIPA, 610 with EVF)
  • Size: 5 x 3.8 x 2.4" (126.9 x 95.7 x 59.7mm) wide, tall, deep
  • Weight: 23 ounces (650g) with battery and card
  • Colors: Black
  • Price: US$2000 body only 
  • Current Firmware: version 4.01 (June 2021)
  • Announced: February 26, 2018

Thom's Review of the Sony A7 Mark III

Sony FE lenses for this camera

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