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Canon RF 100–300mm F2.8L IS USM vs Canon RF 70–200mm F2.8 L IS USM

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CanonRF 100–300mm F2.8L IS USMCanonRF 70–200mm F2.8 L IS USM
Overview
ReleasedMay 2023November 2019
Optics
Lens typeZoomZoom
Focal length100–300 mm70–200 mm
Maximum aperturef/2.8f/2.8
Minimum aperturef/22f/32
Optical constructionTwenty-three elements in eighteen groupsSeventeen elements in thirteen groups
Special elementsOne fluorite, four UD and one glass-moulded aspherical elementThree UD, one Super UD, one aspherical UD and one glass-moulded aspherical element; fluorine coatings on front and rear elements
CoatingsSuper Spectra, ASC and fluorine coatings–
Aperture detailConstant maximum f/2.8; minimum f/22–
DiaphragmNine bladesNine circular-aperture blades
Angle of viewFull-frame diagonal 24°–8°15′; horizontal 20°–6°50′; vertical 14°–4°35′–
Mount and compatibility
MountsCanon RFCanon RF
Image circleFull frameFull frame
CompatibilityCanon RF mount for full-frame and APS-C EOS R camerasCanon RF mount for full-frame and APS-C EOS R bodies; RF extenders not compatible
Teleconverter supportRF 1.4× gives 140–420 mm f/4; RF 2× gives 200–600 mm f/5.6–
Focus and stabilisation
AutofocusYesYes
Minimum focus distance1.8 m0.7 m
Maximum magnification0.16×0.23×
Optical stabilisationYesYes
Autofocus detailTwo Nano USM motors independently drive the electronic floating-focus groups; full-time electronic manual focusDual Nano USM drives focus and floating lens groups independently; electronic floating focus system
Focus distance detail1.8 m minimum focus throughout the zoom range; limiter selects full range or 6 m–infinityMinimum focus 0.7 m
Magnification detail0.06× at 100 mm and 0.16× at 300 mmMaximum 0.23× at 200 mm
Stabilisation detailCanon rates lens optical IS at 5.5 stops under CIPA conditions, and coordinated IS at up to 6 stops with EOS R5 and compatible bodiesOptical IS rated five stops under CIPA; three modes for general use, panning and exposure-only stabilisation
Design
Dust and moisture resistantYesYes
Filter diameter112 mm77 mm
Maximum diameter128 mm89.9 mm
Length323.4 mm146 mm
Weight2,590 g1,070 g
ControlsSeparate focus, zoom and clicking control rings; front lens-function buttons and focus-preset controlsZoom, 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 designInternal zoom maintains barrel lengthExtending barrel with 146 mm retracted length at 70 mm
Filter detail112 mm front screw-in thread; no rear drop-in filter–
Weather resistanceDust- and moisture-resistant construction with heat-blocking white paintDust and water resistant construction; Canon states this cannot completely prevent dust or droplets entering
Dimensions detail128 mm maximum diameter × 323.4 mm lengthApproximately 89.9 mm maximum diameter × 146 mm length, retracted
Weight detailApproximately 2,590 g, as listed by Canon UK, Canon Japan and Canon Camera MuseumApproximately 1,070 g lens
Tripod mountRotating tripod collar with support footRemovable Tripod Mount Ring E (WIII), included
Lens hoodET-124 includedET-83F (WIII) hood included, with filter-adjustment window
In the boxLens, E-112 front cap, RF dust cap, ET-124 hood, LS100-300 soft case 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 detailMay 2023 first release confirmed by Canon's June 2023 retrospective announcement and Camera MuseumNovember 2019 marketed month in Canon Camera Museum

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