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Canon EF 85mm f/1.4L IS USM vs Canon EF-S 15–85mm f/3.5–5.6 IS USM

Every spec side by side, from each maker's published figures.

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CanonEF 85mm f/1.4L IS USMCanonEF-S 15–85mm f/3.5–5.6 IS USM
Overview
ReleasedNovember 2017October 2009
Optics
Lens typePrimeZoom
Focal length85 mm15–85 mm
Maximum aperturef/1.4f/3.5–5.6
Minimum aperturef/22f/22–36
Optical constructionFourteen elements in ten groups17 elements in 12 groups
Special elementsHigh-precision glass-moulded aspherical lens according to CanonThree aspherical elements and one UD element according to Canon Japan
CoatingsAir Sphere Coating (ASC) according to CanonCanon describes optimised coatings and element positioning to reduce ghosting and flare
DiaphragmNine blades with a circular apertureSeven blades with a circular aperture
Angle of view28°30′ diagonal, 24° horizontal and 16° verticalHorizontal 74°10′–15°25′, vertical 53°30′–10°25′, diagonal 84°30′–18°25′
Mount and compatibility
MountsCanon EFCanon EF-S
Image circleFull frameAPS-C
CompatibilityCanon EF cameras with full-frame or APS-C sensorsCanon EF-S compatible APS-C cameras; equivalent angle of view to 24–136 mm on full frame
Teleconverter supportNot compatible with Canon extenders according to Canon UK's specification sheet–
Adaptor supportCanon UK confirms EOS M compatibility using the EF-EOS M Mount Adapter–
Focus and stabilisation
AutofocusYesYes
Minimum focus distance0.85 m0.35 m
Maximum magnification0.12×0.21×
Optical stabilisationYesYes
Autofocus detailRing USM with full-time manual override according to Canon UKRing-type USM with full-time manual focus in One-Shot AF according to Photozone and The Digital Picture
Focus distance detailInternal focusing according to ePHOTOzineInternal focusing and non-rotating front element according to Photozone and The Digital Picture
Magnification detailCanon UK specifies 0.15–0.26× with EF12 II and 0.33–0.43× with EF25 II extension tubes–
Stabilisation detailFour-stop optical stabilisation, tested at 85 mm with EOS-1D X Mark II to CIPA standards according to CanonCanon states approximately four shutter-speed stops of optical correction; The Digital Picture's tested example achieved four stops at 85 mm and 4⅓ at 15 mm
Design
Dust and moisture resistantYes–
Filter diameter77 mm72 mm
Maximum diameter88.6 mm81.6 mm
Length105.4 mm87.5 mm
Weight950 g575 g
ControlsAF/MF and stabiliser on/off switches, manual focus ring, distance window and depth-of-field markingsAF/MF and stabiliser switches; rear manual-focus ring and distance window
Zoom design–Extends towards the telephoto end using two inner barrel sections according to Photozone
Weather resistanceDust and moisture resistance according to Canon UK–
Dimensions detail88.6 mm maximum diameter × 105.4 mm length; approximately 950 g according to Canon81.6 mm maximum diameter × 87.5 mm length according to Canon
Lens hoodSupplied ET-83E hood according to Canon UKOptional EW-78E hood; LP1116 pouch and E-72U cap listed by Canon Japan
In the boxLens, ET-83E hood, E-77II front cap, Lens Dust Cap E, LP1219 pouch and user manual according to Canon UK–
Release detailCanon Camera Museum records November 2017 marketing; a first-sale day is not givenCanon Camera Museum and Canon Japan's exact-model support sheet both record October 2009 release. No separately established UK first-sale day is given by these sources.

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