Canon EF 70–200mm f/2.8L IS III USM vs Canon RF 70-200mm F2.8L IS USM Z

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

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EF 70–200mm f/2.8L IS III USM compared with RF 70-200mm F2.8L IS USM Z
CanonEF 70–200mm f/2.8L IS III USMCanonRF 70-200mm F2.8L IS USM Z
Overview
ReleasedSeptember 2018November 2024
Optics
Lens typeZoomZoom
Focal length70–200 mm70–200 mm
Maximum aperturef/2.8f/2.8
Minimum aperturef/32f/22
Optical construction23 elements in 19 groups; retains the optical layout of the EF 70–200mm f/2.8L IS II USM18 elements in 15 groups
Special elementsOne fluorite and five UD elementsThree aspherical elements including two glass-moulded and one replica; two Super UD elements and one UD element, with the UD glass-moulded aspherical element also counted among the asphericals
CoatingsAir Sphere Coating and revised optical coatings; fluorine coating on front and rear element surfacesASC and Super Spectra; fluorine coating on front element
Aperture detail–Constant f/2.8 maximum and f/22 minimum; smooth electronic iris ring
DiaphragmEight blades with a circular aperture11 circular aperture blades
Angle of viewDiagonal 34°–12°; vertical 19°30′–7°; horizontal 29°–10°29°–10° horizontal, 19°30′–7° vertical and 34°–12° diagonal on full frame
Mount and compatibility
MountsCanon EFCanon RF
Image circleFull frameFull frame
CompatibilityCanon EF mount full-frame and APS-C camerasCanon EOS R cameras; full-frame image circle; stills iris-ring operation depends on camera support
Teleconverter supportEF1.4X III gives 98–280 mm f/4 and 0.30× maximum magnification; EF2X III gives 140–400 mm f/5.6 and 0.44×; autofocus remains available but is slowerRF 1.4x gives 98–280 mm f/4 with 0.42× maximum magnification; RF 2x gives 140–400 mm f/5.6 with 0.6×; autofocus and stabilisation retained
Focus and stabilisation
AutofocusYesYes
Minimum focus distance1.2 m0.49 m
Maximum magnification0.21×0.3×
Optical stabilisationYesYes
Autofocus detailRing-type USM; full-time manual override after One-Shot autofocus while holding the shutter button halfwayDual Nano USM motors independently drive two focusing groups for electronic floating focus control; full-time manual focus
Focus distance detailInternal focusing; maximum 0.21× magnification at 200 mmClosest focus 0.49 m at 70 mm and 0.68 m at 200 mm; separate AF/MF distance modes not published
Magnification detail–0.2× at 70 mm and 0.3× at 200 mm (Canon Japan)
Stabilisation detailUp to 3.5 stops under CIPA testing at 200 mm on an EOS-1D X Mark II; Mode 1 for still subjects and Mode 2 for panning; Canon notes tripod results depend on the tripod and shooting conditionsLens OIS 5.5 stops at centre with EOS R8 at 200 mm; combined OIS/IBIS 7.5 centre and seven corner stops with EOS R1 at 200 mm under Canon's CIPA-2024 conditions
Video features–Optically suppressed focus breathing and electronic floating focus control; optional PZ-E2/PZ-E2B adapters provide motorised zoom; iris operation in stills depends on camera and firmware
Design
Dust and moisture resistantYesYes
Filter diameter77 mm82 mm
Maximum diameter88.8 mm88.5 mm
Length199 mm199 mm
Weight1,480 g1,115 g (better)
ControlsAF/MF, IS on/off and IS mode switches; focus limiter selects 1.2 m–infinity or 2.5 m–infinityControl, focus, zoom and iris rings; iris Auto lock; lens function buttons
Zoom designInternal zooming maintains physical length (Digital Camera World)Internal zoom with 70° rotation; barrel length remains constant
Filter detail–82 mm front screw-in filter thread
Weather resistanceDust- and moisture-resistant construction with a rubber gasket at the mountDust and moisture resistant construction with mount gasket; maker states it cannot completely prevent ingress and requires attachment to a camera
Dimensions detail88.8 mm maximum diameter × 199 mm length, measured from the mount to the lens front; add 24.2 mm for front and rear capsApproximately 88.5 mm maximum diameter × 199 mm length; same barrel size for white and black versions
Weight detailApproximately 1,480 g lens only according to Canon's instruction manual, UK store and Camera Museum; a Canon USA one-page specification chart instead lists approximately 1,440 gWhite 1115 g and black 1110 g, excluding tripod mount; headline uses photographed white model
Tripod mountIncluded removable rotating B (W II) tripod mount ring; detach the lens from the camera before removing the collarTripod foot removable; PetaPixel notes no Arca-Swiss profile or 90° collar click stops
Lens hoodET-87, with release button and reversible mounting for storageWhite ET-88C (WIII) or black ET-88C (B); LZ1328 case and E-82 II/Lens Dust Cap RF listed as accessories
In the boxET-87 hood and LZ1326 lens case according to the UK store; tripod mount ring included according to Canon's instruction manualET-88C lens hood (Web Cameraman)
Release detailMarketed in September 2018 according to Canon Camera Museum; Canon USA's 7 June announcement had scheduled US shipping for August 2018Canon Camera Museum confirms marketed November 2024; Photography Blog preview reports 14 November UK/Europe/US, while Web Cameraman reports 29 November Japan; precise regional retail days are secondary and headline retains maker-confirmed month

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