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Sony Alpha 7R VI vs Sony Alpha DSLR-A850

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

SonyAlpha 7R VISonyAlpha DSLR-A850
Overview
ReleasedJune 2026September 2009
Image and sensor
Camera typeMirrorlessDSLR
Sensor formatFull frameFull frame
Sensor typeBack-illuminated fully stacked Exmor RS CMOSExmor CMOS
Sensor dimensions35.9 × 24 mm35.9 × 24 mm
Effective resolution66.8 MP24.6 MP
Largest image9984 × 66566048 × 4032
RAW recordingYesYes
Standard ISO range100–32000200–3200
Sensor detailApproximately 72.6 million total pixels; effective resolution is up to 66.8 MP for stills and 55.8 MP for movies. Four- or 16-frame Pixel Shift Multi Shooting requires computer compositing; extended RAW processing modes are separate from the 9984 × 6656 normal still output.Approximately 25.7 million total photosites; anti-static coating on low-pass filter and sensor-shift dust removal
Image formatsJPEG, HEIF, RAW, RAW+JPEG and RAW+HEIF; Sony ARW 6.0. Compressed HQ RAW available.JPEG, RAW, compressed cRAW and RAW/cRAW+JPEG; Sony ARW 2.1; sRGB and Adobe RGB
ISO detailStandard still-image ISO 100–32000; expanded ISO 50–102400. Dynamic Active movie stabilisation limits movie ISO to 100–25600 in the exact Japanese specification.Standard ISO 200–3200 in 1/3 EV steps; expanded ISO 100–6400
Image processorBIONZ XR2 with integrated AI processing unit.BIONZ
Lens and shooting
Lens mountSony E-mountSony A
StabilisationSensor shiftSensor shift
Maximum continuous burst30 fps3 fps
Lens detail–Sony A-mount; Sony Alpha and Minolta/Konica Minolta AF lenses. DT APS-C lenses are not recommended for full-frame shooting because their image circle may affect metering
AutofocusFast Hybrid AF with up to 759 phase-detection points for stills or movies and approximately 94% still-image area coverage. Recognition covers people, animals, birds, insects, cars, trains and aircraft; Auto subject recognition supported. AF-S sensitivity is EV −6 to 20 with F1.2 at ISO 100, or EV −11 to 20 in the specified Bright Monitoring mode.TTL phase detection with nine selectable points, a central dual-cross sensor and ten assist points; EV 0–18 at ISO 100; AF-S, AF-A, AF-C, direct manual focus and manual focus; micro-adjustment for up to 30 lenses
ShutterMechanical and electronic shutters; exact Sony specifications list 30 seconds to 1/8000 second for stills, with Bulb for mechanical shooting. Flash sync 1/250 second full-frame or 1/320 second APS-C with compatible Sony flash; electronic first curtain supported.Electronically controlled vertical-traverse focal-plane shutter; 30 seconds to 1/8000 second and Bulb; sync 1/250 second with stabilisation off or 1/200 second with stabilisation on
Burst detailUp to approximately 30 fps blackout-free electronic Hi+ with AF/AE tracking and up to 60 AF/AE calculations per second; mechanical Hi+ up to 10 fps. Maker buffer figures include 215 fine JPEG, 150 RAW or 65 compressed HQ RAW frames; card and recording conditions affect results. Pre-Capture and continuous-speed boost supported; lens compatibility affects maximum speed.Full-resolution continuous shooting up to approximately 3 fps; Sony claims 34 Extra Fine JPEGs, 16 RAW or 18 compressed RAW per burst; card and settings affect results
Stabilisation detailFive-axis sensor shift; Sony claims 8.5 stops at the centre and 7.0 at the periphery under CIPA 2024 pitch/yaw/roll conditions with FE 50mm F1.2 GM and long-exposure noise reduction off. Dynamic Active video stabilisation narrows the field of view more than Active mode.Sensor-shift SteadyShot INSIDE; maker claims approximately 2.5–4 shutter-speed steps depending on lens and shooting conditions
Flash–No built-in flash; Sony Alpha system accessory shoe and separate flash sync terminal; ADI and pre-flash TTL control
Exposure controls–P/A/S/M and Auto; 40-segment honeycomb SPC metering; ±3 EV in 0.3/0.5 EV steps; Dynamic Range Optimizer and exposure bracketing; mirror lock-up
Video
Highest video resolution7680 × 4320 at 30 fps–
Video detailXAVC HS 8K at approximately 30p/25p/24p supports 10-bit 4:2:2 or 4:2:0. 8K oversamples from 8.2K and narrows the field of view. Full-frame 4K 60p is uncropped; uncropped 4K 120p requires 4K angle-of-view priority On. Dual Gain Shooting works only at 4K 30p or lower. Sony's 120-minute 8K claim uses 30p 200 Mbps 4:2:0 10-bit, temperature setting High, monitor open and 25°C ambient; it is not an unconditional recording limit.No movie recording (PhotographyBlog); Sony specifies no live view; HDMI supplies still-image playback rather than recorded Full HD movies
AudioBuilt-in stereo microphone and 3.5 mm microphone/headphone sockets. Optional XLR-A4 enables up to 96 kHz 32-bit float four-channel in-camera recording through the digital-audio Multi Interface Shoe; this is not an internal-microphone specification.–
Screen and viewfinder
ViewfinderElectronicOptical
Screen size3.2″3″
Screen dots2,095,104921,600
TouchscreenYes–
Tilting screenYesNo
Display detailFour-axis TFT LCD tilts approximately 98° up and 40° down, opens 180° sideways and rotates 270° in the open position; automatic vertical information display supported.Fixed Xtra Fine LCD; dots count colour subpixels; separate top status LCD
Viewfinder detail0.64-inch Quad-XGA OLED with 9,437,184 dots and approximately 0.90× magnification; 60/120 fps display. Sony specifies DCI-P3-equivalent gamut and 10-bit HDR display.Eye-level pentaprism, approximately 98% coverage and 0.74× magnification with a 50 mm lens at infinity; supplied G screen, optional interchangeable L grid and M focusing screens
Connections and design
Wi-FiYes–
BluetoothYes–
Battery life (maker's claim)710 photographs880 photographs
Body weight622 g850 g
Release detailSony UK specifies availability from June 2026; month precision is retained. Sony Japan separately specifies 5 June 2026 for ILCE-7RM6, which is not treated as the UK sale day.Sony Hong Kong's original announcement specifies September 2009 retail availability for the body; month precision retained
Recording mediaTwo multi-format slots, each accepting CFexpress 2 Type A or UHS-I/UHS-II SD media.Separate Memory Stick Duo/PRO Duo/PRO-HG Duo and CompactFlash Type I/II slots; UDMA Mode 5 and Microdrive support
PortsTwo USB Type-C ports; port 1 supports 10 Gbps USB 3.2, port 2 supports 480 Mbps USB 2.0. Full-size HDMI, microphone and headphone sockets, sync terminal and digital-audio Multi Interface Shoe; no Micro USB terminal.USB 2.0 Hi-Speed and Mini HDMI; flash-sync terminal; PhotographyBlog also documents the wired remote-release terminal
Wireless connectionsWi-Fi IEEE 802.11a/b/g/n/ac/ax at 2.4/5/6 GHz and Bluetooth 5.3; no NFC in maker specifications.–
Battery life detailNP-SA100, 2670 mAh; CIPA approximately 710 photographs with LCD or 600 with viewfinder. USB Type-C Power Delivery charging and power supported; Sony Japan requires a 27 W or higher compatible supply/cable for the specified in-camera charging setup.NP-FM500H; maker CIPA claim approximately 880 photographs; optional AC-PW10AM adapter or AC-VQ900AM adapter/charger
DimensionsApproximately 132.7 × 96.9 × 82.9 mm (width × height × maximum depth); grip-to-monitor depth 72.8 mm.Approximately 156.3 × 116.9 × 81.9 mm (width × height × depth, excluding protrusions)
Weight detailApproximately 622 g body only; 713 g with battery and memory card; lens excluded.Approximately 850 g without battery, memory card or accessories
In the boxNP-SA100 battery, BC-SAD1 charger, cable clamper, shoulder strap, body cap, accessory shoe cap and eyepiece cup, according to Sony UK.–

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