Canon RF 45mm F1.2 STM vs Canon RF 85mm F2 MACRO IS STM

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RF 45mm F1.2 STM compared with RF 85mm F2 MACRO IS STM

	CanonRF 45mm F1.2 STM	CanonRF 85mm F2 MACRO IS STM
Overview
Released
Released	November 2025	October 2020
Optics
Lens type
Lens type	Prime	Prime
Focal length
Focal length	45 mm	85 mm
Maximum aperture
Maximum aperture	f/1.2	f/2
Minimum aperture
Minimum aperture	f/16	f/29
Macro lens
Macro lens	–	Yes
Optical construction
Optical construction	Nine elements in seven groups	12 elements in 11 groups
Special elements
Special elements	One plastic-moulded aspherical element (Canon USA)	One UD element
Coatings
Coatings	Super Spectra coating	–
Aperture detail
Aperture detail	f/1.2–16	–
Diaphragm
Diaphragm	Nine aperture blades	Nine blades, circular aperture
Angle of view
Angle of view	43°35′ horizontal, 29°50′ vertical and 51°20′ diagonal on full frame	–
Mount and compatibility
Mounts
Mounts	Canon RF	Canon RF
Image circle
Image circle	Full frame	Full frame
Compatibility
Compatibility	Canon EOS R cameras; full-frame image circle	Canon RF mount, full-frame image circle
Teleconverter support
Teleconverter support	Canon RF extenders not compatible	–
Focus and stabilisation
Autofocus
Autofocus	Yes	Yes
Minimum focus distance
Minimum focus distance	0.45 m	0.35 m
Maximum magnification
Maximum magnification	0.13×	0.5×
Optical stabilisation
Optical stabilisation	No	Yes
Autofocus detail
Autofocus detail	Gear-type STM autofocus with magnetic focus-position detection; full-time electronic manual focus	STM autofocus, electronic manual focus and full-time manual focusing
Focus distance detail
Focus distance detail	Minimum focusing distance 0.45 m; Canon does not separately specify AF/MF distances	Minimum focusing distance 0.35 m; three-position focus limiter; barrel extends towards close focus
Magnification detail
Magnification detail	–	Maximum 0.5× reproduction, equivalent to half life-size
Stabilisation detail
Stabilisation detail	No optical image stabilisation (Canon USA)	Hybrid 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 resistant
Dust and moisture resistant	No	No
Filter diameter
Filter diameter	67 mm	67 mm
Maximum diameter
Maximum diameter	78 mm	78 mm
Length
Length	75 mm	90.5 mm
Weight
Weight	346 g (better)	500 g
Controls
Controls	Separate focus and clickable control rings; AF/MF switch; no iris ring or lens function button (Canon USA)	Separate customisable control ring and focus ring, focus limiter, AF/MF and IS switches
Filter detail
Filter detail	67 mm front screw-in filter thread	–
Weather resistance
Weather resistance	No dust or weather resistant construction (Canon USA)	OpticalLimits and Cameralabs report no weather sealing
Dimensions detail
Dimensions detail	Approximately 78 mm maximum diameter × 75 mm length	Approximately 78 mm maximum diameter × 90.5 mm length
Weight detail
Weight detail	Approximately 346 g lens	Approximately 500 g lens
Lens hood
Lens hood	Optional ES-73B hood and LP1116 case; E-67 II front cap and Lens Dust Cap RF listed by Canon	ET-77, sold separately
In the box
In the box	Front and rear lens caps (Amateur Photographer); hood not included	Lens, E-67 II front cap, RF lens dust cap and user manual kit
Release detail
Release detail	Canon Japan's 14 November 2025 notice confirms first sale on 28 November 2025; Photography Blog instead reports availability from 20 November without a matching regional maker day, so no UK date is inferred	October 2020 marketed month in Canon Camera Museum