Canon EF 70–200mm f/2.8L IS III USM vs Canon EF 85mm f/1.2L II USM

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EF 70–200mm f/2.8L IS III USM compared with EF 85mm f/1.2L II USM
CanonEF 70–200mm f/2.8L IS III USMCanonEF 85mm f/1.2L II USM
Overview
ReleasedSeptember 2018March 2006
Optics
Lens typeZoomPrime
Focal length70–200 mm85 mm
Maximum aperturef/2.8f/1.2
Minimum aperturef/32f/16
Optical construction23 elements in 19 groups; retains the optical layout of the EF 70–200mm f/2.8L IS II USMEight elements in seven groups with a floating optical construction
Special elementsOne fluorite and five UD elementsGround aspherical lens according to Canon Japan
CoatingsAir Sphere Coating and revised optical coatings; fluorine coating on front and rear element surfacesSuper Spectra coatings according to Canon UK
DiaphragmEight blades with a circular apertureEight blades with a circular electromagnetic diaphragm
Angle of viewDiagonal 34°–12°; vertical 19°30′–7°; horizontal 29°–10°28°30′ diagonal, 24° horizontal and 16° vertical
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
Teleconverter supportEF1.4X III gives 98–280 mm f/4 and 0.30× maximum magnification; EF2X III gives 140–400 mm f/5.6 and 0.44×; autofocus remains available but is slowerCanon EF1.4X II and EF2X II extenders cannot be used according to the manual
Adaptor support–Canon UK confirms EOS M compatibility with the EF-EOS M Mount Adapter
Focus and stabilisation
AutofocusYesYes
Minimum focus distance1.2 m0.95 m
Maximum magnification0.21×0.11×
Optical stabilisationYesNo
Autofocus detailRing-type USM; full-time manual override after One-Shot autofocus while holding the shutter button halfwayUSM autofocus; Canon claims up to 1.8× the autofocus speed of the original EF 85mm f/1.2L USM using a faster CPU and revised algorithms
Focus distance detailInternal focusing; maximum 0.21× magnification at 200 mmElectronic manual focusing; full-time override after One-Shot AF while half-pressing the shutter, with camera and mode exceptions listed in the manual. The Digital Picture confirms camera power is required and the lens extends when focusing
Magnification detail–Canon manual gives EF12 II tube magnification 0.15–0.25×, EF25 II 0.33–0.42× and 500D close-up lens 0.17–0.28×
Stabilisation detailUp to 3.5 stops under CIPA testing at 200 mm on an EOS-1D X Mark II; Mode 1 for still subjects and Mode 2 for panning; Canon notes tripod results depend on the tripod and shooting conditionsNo optical stabilisation according to ePHOTOzine's exact-model specification
Design
Dust and moisture resistantYesNo
Filter diameter77 mm72 mm
Maximum diameter88.8 mm91.5 mm
Length199 mm84 mm
Weight1,480 g1,025 g (better)
ControlsAF/MF, IS on/off and IS mode switches; focus limiter selects 1.2 m–infinity or 2.5 m–infinityAF/MF switch, focusing ring, distance window, infrared index and depth-of-field scale
Filter detail–Front screw-in filter; one filter at a time according to Canon's manual
Zoom designInternal zooming maintains physical length (Digital Camera World)–
Weather resistanceDust- and moisture-resistant construction with a rubber gasket at the mountCanon Japan explicitly lists no dust or drip resistance
Dimensions detail88.8 mm maximum diameter × 199 mm length, measured from the mount to the lens front; add 24.2 mm for front and rear caps91.5 mm maximum diameter × 84 mm length; 1,025 g lens-only. Add 21.5 mm with E-72U and rear cap, or 24.2 mm with E-72 II and rear cap
Weight detailApproximately 1,480 g lens only according to Canon's instruction manual, UK store and Camera Museum; a Canon USA one-page specification chart instead lists approximately 1,440 g–
Tripod mountIncluded removable rotating B (W II) tripod mount ring; detach the lens from the camera before removing the collar–
Lens hoodET-87, with release button and reversible mounting for storageSupplied ES-79 II clip-on hood; reversible for storage according to Canon's manual
In the boxET-87 hood and LZ1326 lens case according to the UK store; tripod mount ring included according to Canon's instruction manualLens, E-72U front cap, Lens Dust Cap E, ES-79 II hood, LP1219 pouch and user manual according to Canon UK
Release detailMarketed in September 2018 according to Canon Camera Museum; Canon USA's 7 June announcement had scheduled US shipping for August 2018March 2006 sale month confirmed by Canon Camera Museum and Japan support. Canon explicitly identifies this model as the successor to the September 1989 EF 85mm f/1.2L USM

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