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Canon EOS R8 vs Sony Alpha 7C II

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

Better figure, where one is clearly better

CanonEOS R8SonyAlpha 7C II
Overview
ReleasedApril 2023September 2023
Image and sensor
Camera typeMirrorlessMirrorless
Sensor formatFull frameFull frame
Sensor typeCMOSBack-illuminated Exmor R CMOS
Sensor dimensions35.9 × 23.9 mm35.9 × 23.9 mm
Effective resolution24.2 MP33 MP
Largest image6000 × 40007008 × 4672
RAW recordingYesYes
Standard ISO range100–102400100–51200
Sensor detailApproximately 24.2 million effective and 25.6 million total pixels; 35.9 × 23.9 mm CMOS with fixed low-pass filter and integrated sensor cleaningApproximately 34.1 million total pixels; optical low-pass filter; maker maximum movie effective resolution 27.6 MP
Image formatsRAW and C-RAW with 14-bit conversion using electronic first curtain or 12-bit using electronic shutter; 8-bit JPEG and 10-bit HEIF, with simultaneous RAW and JPEG or HEIFJPEG, HEIF and RAW (Sony ARW 5.0); 14-bit RAW output; compressed, lossless-compressed and uncompressed RAW options; XAVC S, XAVC S-I and XAVC HS movies
ISO detailStandard still-photo ISO 100–102400, expandable to ISO 50 or 204800; movie sensitivity depends on frame rate and Canon Log or HDR settingsStandard still-image and movie ISO 100–51200; still-image extension ISO 50–204800; movie extension reaches ISO 102400. Photography Blog lists a lower extended maximum; Sony’s explicit specification is used.
Image processorDIGIC XBIONZ XR and dedicated AI processing unit
Lens and shooting
Lens mountCanon RFSony E-mount
StabilisationOptical lens stabilisationSensor shift
Maximum continuous burst40 fps10 fps
Lens detailRF and RF-S directly; EF and EF-S via EF-EOS R mount adapters; RF-S and EF-S use 1.6× cropping; EF-M incompatibleInterchangeable E-mount; body-only and FE 28–60 mm f/4–5.6 kit offered; the photo shows both body colours with this optional kit lens
AutofocusDual Pixel CMOS AF II with 1053 automatic areas and 4897 selectable still-photo positions (4067 for movies); human, animal and vehicle recognition; AF area coverage depends on lens and modeFast Hybrid AF; up to 759 phase-detection points for stills or 627 for movies; EV -4 to 20 at ISO 100 with an f/2 lens; current maker subjects include automatic selection, humans, animals, birds, insects, cars, trains and aircraft
ShutterElectronic first curtain 30–1/4000 second plus Bulb; electronic 30–1/16000 second, with 1/16000 restricted to Tv or M and unavailable in H+; no mechanical first curtainElectronic first-curtain mechanical shutter up to 1/4000 second; silent electronic shutter up to 1/8000 second; 30-second exposures and Bulb; flash sync 1/160 second full-frame or 1/200 second APS-C with Sony flash
Burst detailUp to 40 fps electronic or 6 fps electronic first curtain; UK maker buffer claim 120 JPEG, 56 RAW or 100 C-RAW at 40 fps; 30 fps RAW Burst mode with up to 0.5 second pre-capture is separate; lens, exposure, lighting and subject conditions affect speed, and electronic rolling-shutter distortion is possibleUp to 10 fps Hi+; maker buffer approximately 44 compressed RAW, 27 lossless-compressed RAW or 18 uncompressed RAW images; over 1,000 Fine JPEGs. Amateur Photographer notes 10 fps requires compressed RAW and gives 8 fps live-view continuous or 6 fps with lossless-compressed RAW.
Stabilisation detailNo sensor-shift IBIS; optical stabilisation depends on the attached lens; Movie Digital IS is available separatelyFive-axis sensor shift; maker claim 7 stops under CIPA pitch/yaw testing with the FE 50 mm f/1.2 GM lens and long-exposure noise reduction off; current maker movie modes include Dynamic Active and Active electronic correction
FlashExternal E-TTL II EX/EL Speedlite support through the multi-function shoe; electronic-first-curtain sync 1/200 secondNo built-in flash; Multi Interface Shoe supports compatible external flash
Exposure controlsScene Intelligent Auto, Fv, P, Tv, Av, M, Bulb and two custom modes; 384-zone evaluative, partial, centre spot and centre-weighted metering; ±3 EV compensation1200-zone evaluative metering; exposure compensation ±5 EV
Video
Highest video resolution3840 × 2160 at 59.94 fps3840 × 2160 at 60 fps
Video detailFull-width UHD 3840 × 2160 up to 59.94/50 fps oversampled from 6K; optional cropped mode uses 62% of the horizontal area; Full HD up to 179.82/150 fps slow motion without sound; internal 8-bit 4:2:0 or 10-bit 4:2:2, Canon Log 3 and HDR PQ; normal clip limit two hours, subject to temperature, with maker approximately 30 minutes 4K 59.94p starting at 23°CInternal 3840 × 2160 up to 60p NTSC or 50p PAL, with 10-bit 4:2:2 options; 60p/50p requires Super 35 crop. Full-frame 30p is oversampled from approximately 7K; Full HD up to 120p NTSC or 100p PAL. XAVC S-I 4K reaches 600 Mbps at 60p. S-Log3, S-Cinetone, user LUT display and AI Auto Framing; HDMI output supports 10-bit 4:2:2, without RAW video output.
AudioBuilt-in stereo microphone; 3.5 mm external microphone and headphone socketsBuilt-in stereo microphone; 3.5 mm microphone and headphone sockets; digital-audio Multi Interface Shoe; compatible accessories support four-channel 24-bit LPCM
Screen and viewfinder
ViewfinderElectronicElectronic
Screen size3″3″
Screen dots1,620,0001,036,800
TouchscreenYesYes
Tilting screenYesYes
Display detailVari-angle 3-inch Clear View LCD II capacitive touchscreen with approximately 1.62 million dots and 100% coverageSide-opening vari-angle touchscreen; opens approximately 176° and rotates approximately 270°; touch menu operation
Viewfinder detail0.39-inch OLED, approximately 2.36 million dots, 100% coverage and 0.70× magnification; display refresh approximately 60 or 120 fps with mode- and shooting-dependent reductions0.39-type XGA OLED; 2,359,296 dots; approximately 0.70× magnification with a 50 mm lens at infinity; 60 or 120 fps refresh
Connections and design
Wi-FiYesYes
BluetoothYesYes
Battery life (maker's claim)220 photographs560 photographs
Body weight414 g429 g
Release detailCanon Camera Museum records first marketing in April 2023; no exact first-sale day inferredSony Australia specifies retail availability from September 2023. Photography Blog reports the original Alpha 7C remained in the range alongside the II. Current maker specifications include later-supported subject recognition and movie-stabilisation features.
Recording mediaSingle SD, SDHC or SDXC slot with UHS-II support; high-speed UHS-II recommended for 4K and fast burstsOne SD slot supporting UHS-I and UHS-II; no CFexpress support
PortsUSB-C 3.2 Gen 2 for transfer, power and charging; micro HDMI Type D, microphone and headphone sockets, E3 remote terminal and multi-function shoeUSB-C (USB 3.2 at 5 Gbps), Micro HDMI Type D, 3.5 mm microphone and headphone sockets and digital-audio Multi Interface Shoe
Wireless connectionsWi-Fi 802.11b/g/n at 2.4 GHz and Bluetooth Low Energy 4.2; regional restrictions may applyWi-Fi 802.11a/b/g/n/ac at 2.4 and 5 GHz; Bluetooth 4.2; no NFC; Creators’ App remote operation and image transfer
Battery life detailLP-E17; maker CIPA power-saving claim at 23°C approximately 220 photographs with EVF or 370 with LCDNP-FZ100; current Sony CIPA claim approximately 560 photographs with LCD or 530 with viewfinder; actual movie claim approximately 105 minutes with LCD or 100 with viewfinder. Both launch-period reviews give lower 540/510-shot figures.
ChargingSupplied LC-E17E external charger; USB charging supported with authenticated batteries, using compatible power equipmentUSB-C in-camera charging and power supply with USB Power Delivery; maker specifies an 18 W or higher USB PD source and 3 A cable
DimensionsApproximately 132.5 × 86.1 × 70.0 mm (width × height × depth)Approximately 124.0 × 71.1 × 63.4 mm; depth from grip to monitor 58.6 mm
Weight detailApproximately 414 g body only or 461 g with battery and card under CIPA guidelinesApproximately 429 g body only; 514 g with battery and memory card; both exclude lens. Photography Blog gives 525 g labelled body only and Amateur Photographer gives 524 g; maker’s explicit figures are used.
MaterialsPrimarily magnesium alloy with aluminium alloy and glass-fibre polycarbonate components; maker describes dust- and water-resistant construction with covers closed, but not waterproofMaker specifies recycled materials including SORPLAS in the body, depending on production timing
Colours–Silver/black or black

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