Canon EF 85mm f/1.8 USM vs Canon RF 85mm F2 MACRO IS STM

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EF 85mm f/1.8 USM compared with RF 85mm F2 MACRO IS STM

	CanonEF 85mm f/1.8 USM	CanonRF 85mm F2 MACRO IS STM
Overview
Released
Released	July 1992	October 2020
Optics
Lens type
Lens type	Prime	Prime
Focal length
Focal length	85 mm	85 mm
Maximum aperture
Maximum aperture	f/1.8	f/2
Minimum aperture
Minimum aperture	f/22	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 UD element
Coatings
Coatings	Super Spectra coatings according to Canon UK	–
Diaphragm
Diaphragm	Eight blades according to Canon	Nine blades, circular aperture
Mount and compatibility
Mounts
Mounts	Canon EF	Canon RF
Image circle
Image circle	Full frame	Full frame
Compatibility
Compatibility	Canon EF cameras with full-frame or APS-C sensors	Canon RF mount, full-frame image circle
Adaptor support
Adaptor support	Canon UK confirms EOS M compatibility using the EF-EOS M adapter	–
Focus and stabilisation
Autofocus
Autofocus	Yes	Yes
Minimum focus distance
Minimum focus distance	0.85 m	0.35 m
Maximum magnification
Maximum magnification	0.13×	0.5×
Optical stabilisation
Optical stabilisation	No	Yes
Autofocus detail
Autofocus detail	USM autofocus with full-time manual override according to Canon UK; Photozone identifies ring-type USM and rear focusing	STM autofocus, electronic manual focus and full-time manual focusing
Focus distance detail
Focus distance detail	Lens length stays constant during focusing according to Photozone; front lens group does not rotate according to Canon Camera Museum	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 stabilisation according to ePHOTOzine's exact-model specification	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
Filter diameter
Filter diameter	58 mm	67 mm
Maximum diameter
Maximum diameter	75 mm	78 mm
Length
Length	71.5 mm	90.5 mm
Weight
Weight	425 g (better)	500 g
Controls
Controls	AF/MF switch, focus ring, distance window and depth-of-field markings	Separate customisable control ring and focus ring, focus limiter, AF/MF and IS switches
Weather resistance
Weather resistance	–	OpticalLimits and Cameralabs report no weather sealing
Dimensions detail
Dimensions detail	75 mm maximum diameter × 71.5 mm length; 425 g according to Canon Camera Museum	Approximately 78 mm maximum diameter × 90.5 mm length
Weight detail
Weight detail	–	Approximately 500 g lens
Lens hood
Lens hood	Hood is sold separately according to Photozone and ePHOTOzine	ET-77, sold separately
In the box
In the box	Lens, E-58II front cap, Lens Dust Cap E and user manual according to Canon UK	Lens, E-67 II front cap, RF lens dust cap and user manual kit
Release detail
Release detail	Canon Camera Museum records July 1992 marketing; a first-sale day is not given	October 2020 marketed month in Canon Camera Museum