Canon EF 85mm f/1.8 USM vs Canon EF-S 18–135mm f/3.5–5.6 IS USM

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EF 85mm f/1.8 USM compared with EF-S 18–135mm f/3.5–5.6 IS USM

	CanonEF 85mm f/1.8 USM	CanonEF-S 18–135mm f/3.5–5.6 IS USM
Overview
Released
Released	July 1992	March 2016
Optics
Lens type
Lens type	Prime	Zoom
Focal length
Focal length	85 mm	18–135 mm
Maximum aperture
Maximum aperture	f/1.8	f/3.5–5.6
Minimum aperture
Minimum aperture	f/22	f/22–36
Optical construction
Optical construction	Nine elements in seven groups	16 elements in 12 groups
Special elements
Special elements	–	One UD and one aspherical element
Coatings
Coatings	Super Spectra coatings according to Canon UK	Super Spectra coatings
Aperture detail
Aperture detail	–	Minimum f/22–36 with one-third-stop increments; f/22–38 with half-stop increments
Diaphragm
Diaphragm	Eight blades according to Canon	Seven blades with a circular aperture
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 mount APS-C cameras
Adaptor support
Adaptor support	Canon UK confirms EOS M compatibility using the EF-EOS M adapter	Canon UK supports EOS M cameras with an EF-EOS M mount adaptor
Focus and stabilisation
Autofocus
Autofocus	Yes	Yes
Minimum focus distance
Minimum focus distance	0.85 m	0.39 m
Maximum magnification
Maximum magnification	0.13×	0.28×
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	Nano USM; Canon claims up to 4.3× the STM predecessor's focus-lens driving speed when focusing from minimum distance to infinity at 135 mm through the viewfinder
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	Electronic manual focusing requires an awake camera; manual override in One-Shot AF requires a half-pressed shutter and enabled electronic manual focusing (The Digital Picture)
Magnification detail
Magnification detail	–	Maximum 0.28× at 135 mm
Stabilisation detail
Stabilisation detail	No optical stabilisation according to ePHOTOzine's exact-model specification	Four-stop optical Image Stabilizer with automatic panning detection
Video features
Video features	–	Optional PZ-E1 power zoom adaptor attaches beneath the lens (The Digital Picture)
Design
Dust and moisture resistant
Dust and moisture resistant	–	No
Filter diameter
Filter diameter	58 mm	67 mm
Maximum diameter
Maximum diameter	75 mm	77.4 mm
Length
Length	71.5 mm	96 mm
Weight
Weight	425 g (better)	515 g
Controls
Controls	AF/MF switch, focus ring, distance window and depth-of-field markings	Focus and zoom rings; AF/MF, stabiliser and zoom-lock switches (The Digital Picture)
Zoom design
Zoom design	–	Extends towards longer focal lengths; zoom lock retains the retracted position (The Digital Picture)
Weather resistance
Weather resistance	–	No full weather sealing or mount gasket (The Digital Picture)
Dimensions detail
Dimensions detail	75 mm maximum diameter × 71.5 mm length; 425 g according to Canon Camera Museum	77.4 mm maximum diameter × 96 mm length according to Canon Camera Museum
Lens hood
Lens hood	Hood is sold separately according to Photozone and ePHOTOzine	Optional EW-73D; optional LP1116 pouch (The Digital Picture)
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, Lens Dust Cap E and user manual
Release detail
Release detail	Canon Camera Museum records July 1992 marketing; a first-sale day is not given	Marketed in March 2016 according to Canon Camera Museum