The A7r Mark IV is Sony’s fourth generation of their high-pixel count mirrorless body, now with an even higher pixel count than the previous two generations. In April 2021 Sony announced an “a” model, which differs in LCD resolution.
- Sensor:
- 60mp Sony BSI CMOS sensor
- no AA filter
- full frame, 35.7 x 23.8mm, gapless
- 5-axis image stabilization (5.5 stops CIPA)
- Mount: Sony NEX (FE-Mount; E-mount compatible)
- Images:
- 9504 x 6336 JPEG or ARW raw
- pixel-shift photography of up to 16 images
- maximum 10 fps continuous
- 68 compressed raw buffer, 30 uncompressed raw buffer
- 4:3, 16:9, 1:1 aspect ratios
- Video:
- 4K/30P/24P (100 Mbps XAVC S) in full frame (binned) or Super 35 crop (non-binned)
- 1080P/120/100/60/50/25/24
- 720P/120
- MPEG4 with stereo audio
- HDMI clean output via connector at 8-bit 4.2.2 format for both HD and 4K
- S-Log2/3, HLG
- Shutter:
- mechanical and electronic 30 sec to 1/8000 sec, bulb
- electronic front curtain
- 500k? rated shutter
- Exposure:
- multi, center-weighted, spot metering
- -5 to +5EV exposure compensation
- 9 white balance settings (plus Auto and Custom)
- ISO 100-32000 (plus Auto, 50, and 51200 and 102400 boosts)
- Focus:
- 567-point phase detect (74% image area coverage) and 425 contrast detect points (-3EV to EV20 sensitivity)
- single point, zone, flexible spot, multi-area, face detect, tracking, manual focus override
- focus joystick
- Display:
- 2.95” 1.44m dot LCD (“a” model is 2.4m dot)
- tilting touch
- Viewfinder:
- 5.76m dot OLED EVF
- 0.78x magnification
- -4 to +3m diopter
- 60/120 Hz
- 23mm eye point from frame, 18.5 from eyepiece
- Flash:
- hot shoe
- 1/250 flash sync
- red-eye reduction, slow sync, rear sync
- Remote: optional infrared
- Other Notable Features: Wi-Fi 802.11ac, Bluetooth 4.1, NFC Type 3, weather-sealed body, optional VG-C4EM vertical grip, optional ECM-B1M shotgun mic, microphone and headphone jacks, flash sync socket, antiflicker, USB 3.2 Gen 1 (with FTP capability)
- Cards:
- Two SD, SDHC, SDXC slots
- UHS-II compatible
- Battery:
- NP-FW100
- 670 shots CIPA, 660 on “a” model
- Size and Weight:
- 5.1 x 3.8 x 3” (128.9 x 96.4 x 77.5mm) wide, tall, deep
- 23.5 ounces (665g) with battery card
- Colors: Black
- Price: US$3500 body only
- Current Firmware: version 1.20 (August 2020)
- Announced: Announced July 16, 2019
