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Canon RF 20mm F1.4 L VCM vs Canon RF 70–200mm F2.8 L IS USM

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CanonRF 20mm F1.4 L VCMCanonRF 70–200mm F2.8 L IS USM
Overview
ReleasedApril 2025November 2019
Optics
Lens typePrimeZoom
Focal length20 mm70–200 mm
Maximum aperturef/1.4f/2.8
Minimum aperturef/16f/32
Optical constructionFifteen elements in eleven groupsSeventeen elements in thirteen groups
Special elementsOne Super UD, two UD, one BR and two glass-moulded aspherical elements; ASC, SWC and Super Spectra coatings; front fluorine coatingThree UD, one Super UD, one aspherical UD and one glass-moulded aspherical element; fluorine coatings on front and rear elements
DiaphragmEleven blades with circular apertureNine circular-aperture blades
Mount and compatibility
MountsCanon RFCanon RF
Image circleFull frameFull frame
CompatibilityCanon RF mount for full-frame and APS-C EOS R cameras; RF extenders not compatible. Iris ring provides movie aperture control; Canon lists EOS R, RP, Ra, R3, R5, R6, R6 Mark II, R7, R8, R10, R50, R100 and R5 C as unable to set still-photo aperture with this ring even with their latest firmwareCanon RF mount for full-frame and APS-C EOS R bodies; RF extenders not compatible
Focus and stabilisation
AutofocusYesYes
Minimum focus distance0.2 m0.7 m
Maximum magnification0.19×0.23×
Optical stabilisationNoYes
Autofocus detailRear focusing system driven by a VCM motorDual Nano USM drives focus and floating lens groups independently; electronic floating focus system
Focus distance detailMinimum focus 0.2 mMinimum focus 0.7 m
Magnification detailMaximum 0.19×Maximum 0.23× at 200 mm
Stabilisation detailNo optical stabiliser; Canon rates EOS R1 in-body stabilisation at 8 stops centrally and 5 stops in the corners under CIPA-2024 testingOptical IS rated five stops under CIPA; three modes for general use, panning and exposure-only stabilisation
Design
Dust and moisture resistantYesYes
Filter diameter67 mm77 mm
Maximum diameter76.5 mm89.9 mm
Length99.3 mm146 mm
Weight519 g1,070 g
ControlsElectronic manual-focus, customisable control and smooth-action iris rings; iris Auto-position lock; customisable lens function button; AF/MF switchZoom, electronic manual-focus and customisable control rings; focus limiter with full or 2.5 m–infinity range; AF/MF, IS on/off and three IS mode switches; zoom lock at 70 mm
Zoom design–Extending barrel with 146 mm retracted length at 70 mm
Filter detail67 mm front thread and rear filter holder; Canon specifies a single rear filter no thicker than 0.2 mm and recommends removing the holder when unused to avoid possible ghosting–
Weather resistanceDust and moisture resistant construction with mount rubber sealDust and water resistant construction; Canon states this cannot completely prevent dust or droplets entering
Dimensions detailApproximately 76.5 mm maximum diameter × 99.3 mm lengthApproximately 89.9 mm maximum diameter × 146 mm length, retracted
Weight detailApproximately 519 g lensApproximately 1,070 g lens
Tripod mount–Removable Tripod Mount Ring E (WIII), included
Lens hoodEW-73H hood includedET-83F (WIII) hood included, with filter-adjustment window
In the boxLens, E-67 II front cap, RF dust cap, EW-73H hood, LP1219 case, rear filter holder and user manualLens, E-77 II front cap, RF dust cap, ET-83F hood, LP1424 drawstring case, Tripod Mount Ring E (WIII) and user manual
Release detailApril 2025 marketed month in Canon Camera MuseumNovember 2019 marketed month in Canon Camera Museum

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