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Canon EOS R6 Mark III vs Nikon ZR

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

Better figure, where one is clearly better

CanonEOS R6 Mark IIINikonZR
Overview
ReleasedNovember 2025October 2025
Image and sensor
Camera typeMirrorlessMirrorless
Sensor formatFull frameFull frame
Sensor typeCMOSPartially stacked CMOS
Sensor dimensions35.9 × 23.9 mm35.9 × 23.9 mm
Effective resolution32.5 MP24.5 MP
Largest image6960 × 46406048 × 4032
RAW recordingYesYes
Standard ISO range100–64000100–64000
Sensor detailFull-frame 35.9 × 23.9 mm CMOS; approximately 32.5 million effective and 34.2 million total pixels; fixed low-pass filter and integrated cleaning26.79 million total pixels; image-dust-off reference data requires NX Studio
Image formatsJPEG, HEIF, RAW and C-RAW; native 6960 × 4640 still images; 12-bit RAW movie recording14-bit NEF RAW with lossless, high-efficiency star or high-efficiency compression; JPEG and HEIF; RAW plus JPEG or HEIF recording
ISO detailStandard still-photo ISO 100–64000, expandable to ISO 50–102400; normal movie ISO 100–25600, with profile-dependent Canon Log and HDR rangesStandard still-image ISO 100–64000; expanded equivalent ISO 50–204800. HLG starts at ISO 400. RED R3D NE video offers base ISO 800 or 6400; Nikon's 15+ stop dynamic-range claim applies to R3D NE and is a maker measurement.
Image processorDIGIC XEXPEED 7
Lens and shooting
Lens mountCanon RFNikon Z mount
StabilisationSensor shiftSensor shift
Maximum continuous burst40 fps120 fps
Lens detailRF and RF-S lenses directly; EF/EF-S using EF-EOS R adapters; EF-M incompatible; RF-S/EF-S use approximately 1.6× cropNIKKOR Z lenses; NIKKOR F lenses require a mount adapter and retain model-dependent functional restrictions
AutofocusDual Pixel CMOS AF II; up to 6097 still or 4641 movie selectable AF positions; people, animal and vehicle recognition plus registered-person priority; available AF area depends on lensHybrid phase/contrast detection; 273 single-point or 299 auto-area positions in FX stills; 3D tracking and nine subject types. Nikon's −10 EV sensitivity uses AF-S, ISO 100, an f/1.2 lens and 20°C.
ShutterMechanical and electronic first curtain 30–1/8000 second plus Bulb; electronic shutter 30–1/16000 second plus Bulb; available range varies with shooting modeElectronic only; 1/16000 to 30 seconds plus Bulb/Time, extendable to 900 seconds in manual mode; flash synchronisation at 1/60 second or slower
Burst detailUp to 40 fps electronic or 12 fps mechanical/electronic first curtain; electronic maker buffer approximately 330 JPEG or 150 RAW on CFexpress, 330 JPEG or 140 RAW on SD; mechanical buffer 1000+ RAW on CFexpress or 400 RAW on SD; pre-continuous capture up to 20 earlier frames; results depend on Canon test conditions, lens, battery, card and settingsElectronic extended continuous shooting up to approximately 20 fps; high-speed frame capture with pre-capture reaches 120 fps for DX JPEGs or 60 fps for full-frame JPEGs. Main maximum is the reduced-resolution C120 mode. Photography Blog's narrative mentions a mechanical 14 fps mode, but Nikon's exact specification confirms there is no mechanical shutter.
Stabilisation detailFive-axis sensor-shift IBIS with coordinated optical lens stabilisation; up to 8.5 stops centre and 7.5 stops periphery under CIPA 2024 yaw, pitch and roll testing with RF 24-105mm F2.8L IS USM Z at 105 mm; Movie Digital IS is separateFive-axis sensor shift with compatible VR-lens support and electronic movie VR
FlashExternal EL/EX Speedlite support; full-frame mechanical sync 1/200 second or electronic-first-curtain sync 1/250 second; higher crop-mode rates are separateDigital ISO 518 accessory shoe with power/data contacts; compatible external i-TTL Speedlights, with electronic-shutter sync limitations
Exposure controls–Auto and P/S/A/M; ±5 EV still-image compensation; video shutter angle adjustable from 5.6° to 360°
Video
Highest video resolution6960 × 4640 at 29.97 fps6048 × 3402 at 59.94 fps
Video detailHighest-resolution 3:2 RAW open gate 6960 × 4640 up to 29.97/25 fps; open-gate MP4 6912 × 4608; 17:9 Light RAW 6960 × 3672 up to 59.94/50 fps; 4K DCI/UHD up to 119.9/100 fps and Full HD up to 179.8/150 fps; oversampled 4K Fine up to 59.94/50 fps, with different sampling at higher rates; Canon Log 2/3, PQ/HLG and 10-bit 4:2:2 options; no built-in cooling fan (Photography Blog); normal clip ceiling six hours below 100 fps or two hours at 100 fps and above, subject to heat, power and other limitsInternal 12-bit RAW at 6048 × 3402 up to 59.94p; cropped DX RAW at 3984 × 2240 up to 119.88p. R3D NE, N-RAW and ProRes RAW HQ are available with format-dependent limits. Conventional 5.4K 5376 × 3024 reaches 59.94p, UHD reaches 119.88p and Full HD reaches 239.76p. ProRes 422 HQ 10-bit, H.265 8/10-bit and H.264; N-Log, HLG, LUT monitoring, waveform and timecode. Launch recording limit was 125 minutes; current maker table lists 360 or 125 minutes depending on file type, reflecting firmware-dependent limits. Firmware 2.00 was announced for development in September 2026; its planned RED-log H.265 additions are not treated as released features here.
Audio–Built-in three-microphone OZO Audio system with five directional patterns; PCM 48 kHz/24-bit or 32-bit float for NEV/R3D/MOV, AAC for MP4; external microphone/line input and digital shoe audio
Screen and viewfinder
ViewfinderElectronicNone
Screen size3″4″
Screen dots1,600,0003,070,000
TouchscreenYesYes
Tilting screenYesYes
Display detail3-inch vari-angle touchscreen; UK maker rounds to approximately 1.6 million dots, Asian maker specifies 1.62 million dots16:10 vari-angle TFT; maker claims 1000 cd/m² brightness and DCI-P3 coverage; approximately 100% frame coverage; dots count subpixels
Viewfinder detail0.5-inch OLED, approximately 3.69 million dots, 100% coverage, 0.76× magnification and refresh up to 120 fpsNo optical or electronic viewfinder
Connections and design
Wi-FiYesYes
BluetoothYesYes
Battery life (maker's claim)390 photographs370 photographs
Body weight609 g540 g
Release detailMaker US announcement specifies November 2025 availability; Japanese maker confirms 21 November, while Photography Blog reports 20 November for its market; month retained across these regional launchesAnnounced on 10 September 2025. Nikon identifies the release month as October 2025; its US announcement states late October and Japan specifies 24 October. The main date retains month precision because an exact first UK on-sale day is unconfirmed.
Recording mediaOne CFexpress Type B slot up to 8 TB with CFexpress 2.0/VPG400 support; one UHS-II SD/SDHC/SDXC slotPrimary CFexpress Type B/XQD slot and secondary UHS-I microSD/microSDHC/microSDXC slot; media and recording-mode restrictions apply
PortsUSB-C 3.2 Gen 2, full-size HDMI Type A, external microphone and headphone sockets, E3 remote terminal and multi-function shoeUSB-C SuperSpeed USB; Micro HDMI Type D; 3.5 mm microphone/line input and headphone sockets; headphone socket also supports MC-DC3 remote release; digital accessory shoe
Wireless connectionsWi-Fi 802.11ac at 2.4/5 GHz with Bluetooth 5.1; regional Wi-Fi restrictions may applyWi-Fi IEEE 802.11a/b/g/n/ac and Bluetooth 5.0; SnapBridge and Nikon Imaging Cloud
Battery life detailLP-E6P; maker CIPA claim at 23°C approximately 390 photographs with EVF or 620 with LCD; LP-E6NH/LP-E6N disable functions including pre-continuous capture and HDMI RAW, and restrict networking, accessories and movie settings; LP-E6 incompatibleEN-EL15c; CIPA approximately 370 photographs with power saving enabled or 350 without, using NIKKOR Z 24–70mm f/4 S. Movie battery-life claim approximately 90 minutes. Photography Blog quotes 390 photographs; main follows Nikon's exact 370-shot table.
ChargingCompatible USB PD power adapters; optional DR-E6P DC coupler requires PD-E2, and cannot pair with PD-E1USB charging and power with optional EH-8P; EN-EL15c/15b rechargeable in camera. Nikon UK states no charger included.
DimensionsApproximately 138.4 × 98.4 × 88.4 mm (width × height × depth)Approximately 134 × 80.5 × 49 mm, following current Japanese maker specification
Weight detailApproximately 609 g body only; 699 g with card and batteryApproximately 540 g body only or 630 g including battery/card, excluding body cap and digital shoe cover
MaterialsMagnesium-alloy body and chassis with glass-fibre polycarbonate components; dust- and water-resistant construction is not waterproof; supplied shoe cover or compatible sealed accessory needed for sealingMagnesium alloy body with passive fanless heat dissipation; dust- and drip-resistant construction
In the box–EN-EL15c battery, AN-DC26 strap, BS-D1 digital shoe cover and BF-N1 body cap; Japanese package specification also lists a USB-C cable

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