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Canon RF 100mm F2.8 L Macro IS USM vs Canon RF 85mm F2 MACRO IS STM

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CanonRF 100mm F2.8 L Macro IS USMCanonRF 85mm F2 MACRO IS STM
Overview
ReleasedJuly 2021October 2020
Optics
Lens typePrimePrime
Focal length100 mm85 mm
Maximum aperturef/2.8f/2
Minimum aperturef/32f/29
Macro lensYesYes
Optical constructionSeventeen elements in thirteen groups12 elements in 11 groups
Special elements–One UD element
CoatingsSuper Spectra coating and front-element fluorine coating–
Aperture detailMaximum f/2.8 at infinity; effective f-number becomes f/6.6 at 1.4× magnification according to the manual–
DiaphragmNine aperture bladesNine blades, circular aperture
Mount and compatibility
MountsCanon RFCanon RF
Image circleFull frameFull frame
CompatibilityCanon RF mount for full-frame and APS-C EOS R cameras; EF12 II and EF25 II extension tubes not compatibleCanon RF mount, full-frame image circle
Teleconverter supportCanon extenders not compatible–
Focus and stabilisation
AutofocusYesYes
Minimum focus distance0.26 m0.35 m
Maximum magnification1.4×0.5×
Optical stabilisationYesYes
Autofocus detailDual Nano USM; electronic manual focusing with full-time manual override in One Shot AF when enabled in camera settingsSTM autofocus, electronic manual focus and full-time manual focusing
Focus distance detailMinimum focus 0.26 m from the imaging plane; 8.6 cm working distance from the lens front; limiter settings full, 0.5 m to infinity or 0.26–0.5 mMinimum focusing distance 0.35 m; three-position focus limiter; barrel extends towards close focus
Magnification detailMaximum 1.4×; approximately 25 × 17 mm field of view at minimum focusMaximum 0.5× reproduction, equivalent to half life-size
Stabilisation detailHybrid IS rated up to 5 stops with EOS R; 2 stops at 1.0× under Canon test standards; up to 8 stops coordinated with EOS R5 IBIS under CIPA yaw/pitch testingHybrid optical IS corrects angular and shift shake; five-stop optical rating on EOS R under CIPA at 85 mm, or eight stops coordinated with EOS R5 sensor IS under CIPA at 85 mm
Design
Dust and moisture resistantYesNo
Filter diameter67 mm67 mm
Maximum diameter81.5 mm78 mm
Length148 mm90.5 mm
Weight685 g500 g
ControlsManual-focus and customisable lens control rings; AF/MF, stabiliser and focus limiter switches; Spherical Aberration control ring with central-position lock. SA adjustment changes bokeh, soft focus, angle of view and exposure; its effect disappears at 0.26 mSeparate customisable control ring and focus ring, focus limiter, AF/MF and IS switches
Weather resistanceDust and moisture resistant construction; front fluorine coatingOpticalLimits and Cameralabs report no weather sealing
Dimensions detailApproximately 81.5 mm maximum diameter × 148 mm lengthApproximately 78 mm maximum diameter × 90.5 mm length
Weight detailApproximately 685 g lens only, excluding caps and optional tripod mountApproximately 500 g lens
Tripod mountTripod mount ring E (B) with dedicated adapter sold separately–
Lens hoodET-73C hood includedET-77, sold separately
In the boxLens, E-67 II front cap, RF dust cap, ET-73C hood, LP1222 lens case and user manual kit (Canon UK store)Lens, E-67 II front cap, RF lens dust cap and user manual kit
Release detailJuly 2021 marketed month in Canon Camera MuseumOctober 2020 marketed month in Canon Camera Museum

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