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Canon EF 24–105mm f/4L IS II USM vs Canon EF 24–70mm f/2.8L USM

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

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CanonEF 24–105mm f/4L IS II USMCanonEF 24–70mm f/2.8L USM
Overview
Released2016November 2002
Optics
Lens typeZoomZoom
Focal length24–105 mm24–70 mm
Maximum aperturef/4f/2.8
Minimum aperturef/22f/22
Optical constructionSeventeen elements in twelve groups16 elements in 13 groups
Special elementsFour aspherical elementsTwo aspherical elements and one UD element
CoatingsAir Sphere Coating; front and rear fluorine coating according to The Digital Picture–
DiaphragmTen blades with a circular apertureEight blades with a circular aperture
Angle of view84°–23°20′ diagonal, 74°–19°20′ horizontal and 53°–13° verticalDiagonal 84°–34°; vertical 53°–19°30′; horizontal 74°–29°
Mount and compatibility
MountsCanon EFCanon EF
Image circleFull frameFull frame
CompatibilityCanon EF full-frame and APS-C DSLRs; EOS M cameras require an EF-EOS M mount adaptorCanon EF mount full-frame and APS-C cameras
Teleconverter supportCanon's manual excludes extendersCanon EF1.4X II and EF2X II extenders are incompatible
Adaptor supportEF12 II gives 0.60–0.50× at 24 mm and 0.41–0.12× at 105 mm; EF25 II is incompatible at 24 mm and gives 0.61–0.27× at 105 mm–
Focus and stabilisation
AutofocusYesYes
Minimum focus distance0.45 m0.38 m
Maximum magnification0.24×0.29×
Optical stabilisationYesNo
Autofocus detailUSM autofocus with full-time manual focusing. Canon's manual specifies turning the ring with the shutter half-pressed after One Shot AFRing-type USM (OpticalLimits); manual override after autofocus in One-Shot AF with the shutter button held halfway
Focus distance detailInternal focusing according to The Digital Picture; Canon instructs users to finish zooming before focusing0.38 m minimum focus throughout the zoom range; maximum 0.29× magnification at 70 mm; non-rotating front filter thread (ePHOTOzine and OpticalLimits)
Stabilisation detailCanon claims four-stop optical stabilisation. The exact manual describes automatic adjustment for still subjects and panning, with correction perpendicular to the panning directionNo optical image stabilisation (ePHOTOzine)
Design
Dust and moisture resistantYesYes
Filter diameter77 mm77 mm
Maximum diameter83.5 mm83.2 mm
Length118 mm123.5 mm
Weight795 g950 g
ControlsAF/MF and stabilisation switches, separate focus and zoom rings, distance window, infrared index and transport lock at 24 mmFocus mode switch, focus ring, zoom ring, distance scale and infrared index
Zoom designExtending barrel; zoom lock holds the shortest 24 mm positionReverse zoom mechanism; longest at 24 mm and shortest at 70 mm, with the hood enclosing the moving front section (OpticalLimits)
Weather resistanceCanon UK describes dust and moisture sealing; the manual identifies a rubber mount ring. The Digital Picture recommends a protective filter to complete front sealingDust- and drip-resistant seal structure; rubber ring around the lens mount
Dimensions detailMaximum diameter × retracted length; size and 795 g weight are lens-only. Caps add 24.2 mm to length according to Canon's manual83.2 mm maximum diameter × 123.5 mm length; maker dimensions and weight are for the lens alone, excluding caps
Lens hoodEW-83M hood with release button; reversible for storageEW-83F; can be reversed for storage
In the boxLens, E-77 II front cap, Dust Lens Cap E, EW-83M hood, LP1219 case and manual according to Canon UKE-77U front cap, rear cap, EW-83F hood and LP1219 lens case (manual accessory names; ePHOTOzine box contents)
Release detailCanon Camera Museum's exact-model table records October 2016 marketing; its later RF 24–105mm page retrospectively says November 2016. The year is used because the maker gives conflicting months without explaining a regional differenceCanon Camera Museum's original-model table records November 2002; its later Mark II retrospective instead refers to September 2002

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