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Canon EF 70–200mm f/2.8L IS III USM vs Canon EF-S 18–200mm f/3.5–5.6 IS

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

Better figure, where one is clearly better

CanonEF 70–200mm f/2.8L IS III USMCanonEF-S 18–200mm f/3.5–5.6 IS
Overview
ReleasedSeptember 2018September 2008
Optics
Lens typeZoomZoom
Focal length70–200 mm18–200 mm
Maximum aperturef/2.8f/3.5–5.6
Minimum aperturef/32f/22–36
Optical construction23 elements in 19 groups; retains the optical layout of the EF 70–200mm f/2.8L IS II USM16 elements in 12 groups
Special elementsOne fluorite and five UD elementsTwo UD and two glass-moulded aspherical elements according to Canon Camera Museum
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 apertureSix blades with a circular aperture; minimum f/22–36 according to Canon Camera Museum, while Canon Japan's later specification table lists f/22–38
Angle of viewDiagonal 34°–12°; vertical 19°30′–7°; horizontal 29°–10°Horizontal 64°30′–6°30′, vertical 45°30′–4°20′, diagonal 74°20′–7°50′ according to Canon Japan
Mount and compatibility
MountsCanon EFCanon EF-S
Image circleFull frameAPS-C
CompatibilityCanon EF mount full-frame and APS-C camerasCanon EF-S compatible APS-C cameras; equivalent angle of view to approximately 29–320 mm on full frame
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 extenders are not compatible according to Canon Japan
Adaptor support–Canon UK confirms EOS M compatibility using the EF-EOS M adapter
Focus and stabilisation
AutofocusYesYes
Minimum focus distance1.2 m0.45 m
Maximum magnification0.21×0.24×
Optical stabilisationYesYes
Autofocus detailRing-type USM; full-time manual override after One-Shot autofocus while holding the shutter button halfwayConventional DC autofocus motor, without full-time manual focus override, according to Photozone
Focus distance detailInternal focusing; maximum 0.21× magnification at 200 mmInternal focusing with a non-rotating front filter thread; focus ring rotates during autofocus according to Photozone
Magnification detail–Maximum 0.24× at 200 mm according to Canon Japan
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 conditionsCanon states approximately four shutter-speed stops of optical correction; automatic distinction between normal and panning shots
Design
Dust and moisture resistantYes–
Filter diameter77 mm72 mm
Maximum diameter88.8 mm78.6 mm
Length199 mm102 mm
Weight1,480 g595 g
ControlsAF/MF, IS on/off and IS mode switches; focus limiter selects 1.2 m–infinity or 2.5 m–infinityAF/MF and stabiliser switches; focus and zoom rings; zoom transport lock at 18 mm
Zoom designInternal zooming maintains physical length (Digital Camera World)Extending double-trombone barrel according to Photozone
Weather resistanceDust- and moisture-resistant construction with a rubber gasket at the mount–
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 caps78.6 mm maximum diameter × 102 mm length; approximately 595 g according to Canon
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 storageEW-78D hood and LP1116 pouch are optional accessories according to Canon Japan
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-72 front cap, Lens Dust Cap E 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 2018Canon Camera Museum records September 2008 marketing. Canon Japan records announcement on 26 August and first sale on 27 September 2008; a UK first-sale day is not established by these sources

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