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Canon EF 70–200mm f/4L IS II USM vs Canon EF 85mm f/1.8 USM

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

Better figure, where one is clearly better

CanonEF 70–200mm f/4L IS II USMCanonEF 85mm f/1.8 USM
Overview
ReleasedJune 2018July 1992
Optics
Lens typeZoomPrime
Focal length70–200 mm85 mm
Maximum aperturef/4f/1.8
Minimum aperturef/32f/22
Optical construction20 elements in 15 groupsNine elements in seven groups
Special elementsOne fluorite and two UD elements–
CoatingsSuper Spectra coatings; fluorine coatings on the front and rear elements according to Canon's US launch announcementSuper Spectra coatings according to Canon UK
DiaphragmNine blades with a circular apertureEight blades according to Canon
Mount and compatibility
MountsCanon EFCanon EF
Image circleFull frameFull frame
CompatibilityCanon EF mount full-frame and APS-C camerasCanon EF cameras with full-frame or APS-C sensors
Adaptor support–Canon UK confirms EOS M compatibility using the EF-EOS M adapter
Focus and stabilisation
AutofocusYesYes
Minimum focus distance1 m0.85 m
Maximum magnification0.27×0.13×
Optical stabilisationYesNo
Autofocus detailRing-type USM with full-time manual focus overrideUSM autofocus with full-time manual override according to Canon UK; Photozone identifies ring-type USM and rear focusing
Focus distance detailMaximum 0.27× magnification at 200 mm; internal focusing according to Digital Camera WorldLens length stays constant during focusing according to Photozone; front lens group does not rotate according to Canon Camera Museum
Stabilisation detailFive-stop CIPA claim at 200 mm on an EOS-1D X Mark II; three modes including exposure-only stabilisation for tracking moving subjectsNo optical stabilisation according to ePHOTOzine's exact-model specification
Design
Dust and moisture resistantYes–
Filter diameter72 mm58 mm
Maximum diameter80 mm75 mm
Length176 mm71.5 mm
Weight780 g425 g
ControlsAF/MF, IS on/off and three IS mode switches; focus limiter excludes distances below 3 m according to Digital Camera WorldAF/MF switch, focus ring, distance window and depth-of-field markings
Zoom designInternal zooming maintains physical length according to Digital Camera World–
Weather resistanceDust- and moisture-resistant construction–
Dimensions detail80 mm maximum diameter × 176 mm length75 mm maximum diameter × 71.5 mm length; 425 g according to Canon Camera Museum
Lens hood–Hood is sold separately according to Photozone and ePHOTOzine
Weight detailApproximate 780 g maker figure; Digital Camera World specifies this excludes the optional tripod mount–
Tripod mountOptional A II (W II) tripod mounting ring according to Digital Camera World; the maker photograph shows this separately sold accessory–
In the boxLens, pouch, caps, hood and instruction manual according to Canon UKLens, E-58II front cap, Lens Dust Cap E and user manual according to Canon UK
Release detailCanon Japan announced first sale on 28 June 2018; Canon Camera Museum gives June 2018 and the US launch announcement states late June. The day is the Japanese sale date, not a separately confirmed UK date.Canon Camera Museum records July 1992 marketing; a first-sale day is not given

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