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Canon RF 75–300mm F4–5.6 vs Canon RF 85mm F2 MACRO IS STM

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CanonRF 75–300mm F4–5.6CanonRF 85mm F2 MACRO IS STM
Overview
ReleasedMay 2025October 2020
Optics
Lens typeZoomPrime
Focal length75–300 mm85 mm
Maximum aperturef/4–5.6f/2
Minimum aperturef/32–45f/29
Macro lens–Yes
Optical constructionThirteen elements in nine groups; Canon states the optical design is adapted from the EF 75–300mm F4–5.6 III12 elements in 11 groups
Special elements–One UD element
CoatingsSuper Spectra; no fluorine coating–
Aperture detailMaximum f/4 at 75 mm and f/5.6 at 300 mm; minimum f/32 and f/45 respectively–
DiaphragmSeven bladesNine blades, circular aperture
Angle of viewFull-frame diagonal 32°11′–8°15′; horizontal 27°–6°50′; vertical 18°11′–4°35′–
Mount and compatibility
MountsCanon RFCanon RF
Image circleFull frameFull frame
CompatibilityCanon RF mount for full-frame and APS-C EOS R cameras; 120–480 mm equivalent field of view on Canon APS-CCanon RF mount, full-frame image circle
Teleconverter supportNot compatible with RF extenders (The-Digital-Picture)–
Focus and stabilisation
AutofocusYesYes
Minimum focus distance1.5 m0.35 m
Maximum magnification0.25×0.5×
Optical stabilisationNoYes
Autofocus detailDC motor autofocus; no full-time manual focus override (Digital Camera World)STM autofocus, electronic manual focus and full-time manual focusing
Focus distance detail1.5 m minimum focus; front element and focus ring rotate during focusing (Digital Camera World and The-Digital-Picture)Minimum focusing distance 0.35 m; three-position focus limiter; barrel extends towards close focus
Magnification detail0.06× at 75 mm and 0.25× at 300 mmMaximum 0.5× reproduction, equivalent to half life-size
Stabilisation detailNo lens optical stabilisationHybrid 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
Video featuresSubstantial focus breathing in The-Digital-Picture's test–
Design
Dust and moisture resistant–No
Filter diameter58 mm67 mm
Maximum diameter71.2 mm78 mm
Length146.1 mm90.5 mm
Weight507 g500 g
ControlsManual focus and zoom rings, AF/MF switch; no custom control ring (The-Digital-Picture)Separate customisable control ring and focus ring, focus limiter, AF/MF and IS switches
Zoom designExtending zoom barrel; further extension and front rotation during focusing (Digital Camera World)–
Filter detail58 mm front thread rotates during focusing–
Weather resistanceCanon UK's table lists dust/moisture resistance, but Digital Camera World and The-Digital-Picture both report no weather sealingOpticalLimits and Cameralabs report no weather sealing
Dimensions detail71.2 mm maximum diameter × 146.1 mm retracted lengthApproximately 78 mm maximum diameter × 90.5 mm length
Weight detailApproximately 507 g lensApproximately 500 g lens
Lens hoodOptional ET-60 hood, not includedET-77, sold separately
In the boxLens, E-58 II lens cap, RF dust cap and user manualLens, E-67 II front cap, RF lens dust cap and user manual kit
Release detailMay 2025 release confirmed retrospectively by Canon's February 2026 press release and Canon Camera MuseumOctober 2020 marketed month in Canon Camera Museum

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