Sony A7 Mark IV

bythom a74

The A7 Mark IV is the third refresh of their balanced full frame sensor mirrorless model. 

  • Sensor
    • 33mp Sony (IMX?) 
    • Full frame 35.8 x 23.9mm
    • BSI CMOS sensor 
    • AA filter
    • 5-axis stabilized sensor (5.5 stops CIPA)
  • Processor: dual BIONZ XR
  • Mount: Sony NEX (FE-Mount; E-mount compatible)
  • Images: 
    • 7032 x 4672 JPEG
    • 10-bit HEIF support
    • ARW raw (14 bit), lossless raw compression
    • 16:9, 4:3, 1:1, APS-C, Medium, and Small formats available
    • maximum 10 fps continuous (ARW requires losslesss raw compression)
    • 828 JPEG+raw buffer (CFe Type A card), all else 1000+
  • Video:  
    • 2160P/60/50/30/25/24 (30P no crop oversampled 7K, 60P crop oversampled 4.8K)
    • 1080P/120/60/50/25/24 (oversampled)
    • 10-bit 4:2:2 internal recording
    • MPEG4 with stereo audio
    • uncompressed video off HDMI port (not all frame rates, though)
    • S-log3 and S-Cinetone
    • H.265 HVEC, or H.264 compression, including All-I XAVC S-I compression
    • microphone and headphone connectors
  • Shutter: 
    • mechanical 30 sec to 1/8000 sec, bulb (first shutter electronic)
    • silent electronic shutter
    • shutter closes with lens changes
  • Exposure: 
    • multi, center-weighted, spot metering
    • -5 to +5EV exposure compensation
    • 8 white balance settings (plus Auto and Custom)
    • ISO 100-51200 (extendable to 50 and 204800) (plus Auto)
  • Focus:
    • 759-point sensor-based phase detect AF (93% coverage)
    • -4EV ability
    • eye, animal eye, bird eye detect (available for video, as well)
    • single point, multi-area, face detect, real-time tracking (up to f/22), manual focus override
    • focus map function (augmented focus peaking)
    • focus breathing compensation (supported lenses)
    • focus thumb stick
  • Display: 
    • 3” LCD, 1,04m dot
    • articulating 
    • touchscreen  
  • Viewfinder: 
    • 3.69 m dot EVF 
    • 0.78x magnification
    • -4 to +3m diopter
    • 23mm eyepoint (18.5mm at eyepiece frame)
    • 120Hz capable (some options slow it)
  • Flash: 
    • hot shoe
    • 1/250 flash sync (1/320 APS-C)
    • red-eye reduction, slow sync, rear sync
  • Remote: optional wired
  • Other Notable Features: 
    • Wi-Fi 802.11a/c (5Ghz)
    • Bluetooth 4.1, NFC
    • Multi-function interface (in front of hot shoe)
    • HDMI (Type A)
    • USB-C 3.2 Gen 2 (USB live streaming; note 4K streaming is max 15P)
    • FTP (via USB)
  • Cards: 
    • Dual card slot; top slot accepts two types of cards, bottom slot only accepts SD
    • SD UHS-II
    • CFExpress Type A
  • Battery: 
    • NP-FZ100
    • 580 shots CIPA, 520 with EVF
    • Can be charged via USB Power Delivery
  • Size and Weight: 
    • 5.3" (129mm) wide
    • 3.8" (97mm) tall
    • 3.3" (81mm) deep
    • 23.2 ounces (658g) with battery and card
  • Colors: Black
  • Price: 
    • US$2499 body only 
    • US$2699 with 28-70mm kit lens
  • Current Firmware: version 2.0 (March 2023)
  • Announced: October 21, 2021

Sony FE lenses for this camera

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sansmirror: all text and original images © 2023 Thom Hogan
portions Copyright 1999-2022 Thom Hogan-- All Rights Reserved

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