Canon EF-S 17–85mm f/4–5.6 IS USM vs Canon EF-S 18–55mm f/4–5.6 IS STM

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EF-S 17–85mm f/4–5.6 IS USM compared with EF-S 18–55mm f/4–5.6 IS STM

	CanonEF-S 17–85mm f/4–5.6 IS USM	CanonEF-S 18–55mm f/4–5.6 IS STM
Overview
Released
Released	September 2004	April 2017
Optics
Lens type
Lens type	Zoom	Zoom
Focal length
Focal length	17–85 mm	18–55 mm
Maximum aperture
Maximum aperture	f/4–5.6	f/4–5.6
Minimum aperture
Minimum aperture	f/22–32	f/22–32
Optical construction
Optical construction	17 elements in 12 groups	12 elements in ten groups
Special elements
Special elements	One double-sided glass-moulded aspherical element according to Canon Camera Museum	Aspherical lens element
Coatings
Coatings	–	Super Spectra coatings
Diaphragm
Diaphragm	Six blades with a circular aperture according to Canon Camera Museum	Seven blades with a circular aperture
Angle of view
Angle of view	Horizontal 68°40′–15°25′, vertical 48°–10°25′, diagonal 78°30′–18°25′ according to Canon Japan	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-S	Canon EF-S
Image circle
Image circle	APS-C	APS-C
Compatibility
Compatibility	Canon EF-S compatible APS-C cameras; equivalent angle of view to 27–136 mm on full frame	Canon EF-S compatible APS-C cameras; 29–88 mm equivalent field of view
Teleconverter support
Teleconverter support	–	Canon extenders cannot be used
Focus and stabilisation
Autofocus
Autofocus	Yes	Yes
Minimum focus distance
Minimum focus distance	0.35 m	0.25 m
Maximum magnification
Maximum magnification	0.2×	0.25×
Optical stabilisation
Optical stabilisation	Yes	Yes
Autofocus detail
Autofocus detail	USM autofocus with full-time manual override; Photozone identifies ring-type USM	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	Minimum focusing distance is 0.35 m throughout the zoom range; front element does not rotate during focusing according to Photozone	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	Canon states approximately three shutter-speed stops of optical correction	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	67 mm	58 mm
Maximum diameter
Maximum diameter	78.5 mm	66.5 mm
Length
Length	92 mm	61.8 mm
Weight
Weight	475 g	215 g (better)
Controls
Controls	AF/MF and stabiliser switches, distance window, focus and zoom rings	–
Zoom design
Zoom design	Extending double-trombone barrel according to ePHOTOzine; Photozone reports the shortest length at 17 mm and longest at 85 mm	Barrel extends when zoomed to 55 mm according to The Digital Picture
Dimensions detail
Dimensions detail	78.5 mm maximum diameter × 92 mm length; 475 g according to Canon	66.5 mm maximum diameter × 61.8 mm retracted length; dimensions and 215 g weight are lens only, excluding caps
Lens hood
Lens hood	EW-73B hood and LP1116 pouch are listed accessories by Canon Japan; ePHOTOzine confirms the hood is optional and not supplied	EW-63C sold separately; exact manual and Canon Japan list LP1014 optional case, while the UK overview lists LP1016
Release detail
Release detail	Canon Camera Museum and Canon Japan record September 2004 marketing; neither source gives a first-sale day	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.