Canon EF 85mm f/1.8 USM vs Canon EF-S 18–55mm f/4–5.6 IS STM

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EF 85mm f/1.8 USM compared with EF-S 18–55mm f/4–5.6 IS STM

	CanonEF 85mm f/1.8 USM	CanonEF-S 18–55mm f/4–5.6 IS STM
Overview
Released
Released	July 1992	April 2017
Optics
Lens type
Lens type	Prime	Zoom
Focal length
Focal length	85 mm	18–55 mm
Maximum aperture
Maximum aperture	f/1.8	f/4–5.6
Minimum aperture
Minimum aperture	f/22	f/22–32
Optical construction
Optical construction	Nine elements in seven groups	12 elements in ten groups
Special elements
Special elements	–	Aspherical lens element
Coatings
Coatings	Super Spectra coatings according to Canon UK	Super Spectra coatings
Diaphragm
Diaphragm	Eight blades according to Canon	Seven blades with a circular aperture
Angle of view
Angle of view	–	Horizontal 64°30′–23°20′; vertical 45°30′–15°40′; diagonal 74°20′–27°50′ according to the exact Canon manual
Mount and compatibility
Mounts
Mounts	Canon EF	Canon EF-S
Image circle
Image circle	Full frame	APS-C
Compatibility
Compatibility	Canon EF cameras with full-frame or APS-C sensors	Canon EF-S compatible APS-C cameras; 29–88 mm equivalent field of view
Teleconverter support
Teleconverter support	–	Canon extenders cannot be used
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	0.25 m
Maximum magnification
Maximum magnification	0.13×	0.25×
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	Lead-screw STM; electronic manual adjustment after One-Shot autofocus while the shutter button remains half pressed, subject to camera settings
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	Manual focusing is unavailable with the camera off or lens asleep; internal focusing with a non-rotating front element according to both reviews
Magnification detail
Magnification detail	–	Maximum 0.25× at 55 mm; EF12 II gives 0.82–0.66× at 18 mm and 0.55–0.23× at 55 mm; EF25 II is incompatible at 18 mm and gives 0.91–0.51× at 55 mm
Stabilisation detail
Stabilisation detail	No optical stabilisation according to ePHOTOzine's exact-model specification	Four-stop CIPA claim at 55 mm using an EOS 7D Mark II; automatic panning compensation; Canon recommends switching IS off on a tripod to conserve power
Design
Filter diameter
Filter diameter	58 mm	58 mm
Maximum diameter
Maximum diameter	75 mm	66.5 mm
Length
Length	71.5 mm	61.8 mm
Weight
Weight	425 g	215 g (better)
Zoom design
Zoom design	–	Barrel extends when zoomed to 55 mm according to The Digital Picture
Controls
Controls	AF/MF switch, focus ring, distance window and depth-of-field markings	–
Dimensions detail
Dimensions detail	75 mm maximum diameter × 71.5 mm length; 425 g according to Canon Camera Museum	66.5 mm maximum diameter × 61.8 mm retracted length; dimensions and 215 g weight are lens only, excluding caps
Lens hood
Lens hood	Hood is sold separately according to Photozone and ePHOTOzine	EW-63C sold separately; exact manual and Canon Japan list LP1014 optional case, while the UK overview lists LP1016
In the box
In the box	Lens, E-58II front cap, Lens Dust Cap E and user manual according to Canon UK	–
Release detail
Release detail	Canon Camera Museum records July 1992 marketing; a first-sale day is not given	Canon Japan's exact support specification gives first sale on 7 April 2017; Camera Museum gives April. The day is the Japanese release, not a separately confirmed UK day.