Canon RF 24-105mm F2.8 L IS USM Z vs Canon RF 28–70mm F2.8 IS STM
Better figure, where one is clearly better
| CanonRF 24-105mm F2.8 L IS USM Z | CanonRF 28–70mm F2.8 IS STM | |
|---|---|---|
| Overview | ||
| Released | November 2023 | September 2024 |
| Optics | ||
| Lens type | Zoom | Zoom |
| Focal length | 24–105 mm | 28–70 mm |
| Maximum aperture | f/2.8 | f/2.8 |
| Minimum aperture | f/22 | f/22 |
| Optical construction | 23 elements in 18 groups | 15 elements in 12 groups |
| Special elements | Three aspherical and four UD elements | Two UD elements and two GMo aspherical elements |
| Coatings | Air Sphere Coating; fluorine front-element coating | Super Spectra; no fluorine coating, per UK maker specification |
| Diaphragm | 11 blades | Nine blades |
| Angle of view | Diagonal 84°–23°20′; horizontal 74°–19°20′; vertical 53°–13° | – |
| Mount and compatibility | ||
| Mounts | Canon RF | Canon RF |
| Image circle | – | Full frame |
| Compatibility | Canon RF mount; Digital Camera World identifies full-frame coverage | Full-frame image circle, Canon RF mount; incompatible with EF DSLRs and EOS M bodies. Canon RF extenders not compatible |
| Focus and stabilisation | ||
| Autofocus | Yes | Yes |
| Minimum focus distance | 0.45 m | 0.24 m (manual focus) |
| Maximum magnification | 0.29× | 0.24× |
| Optical stabilisation | Yes | Yes |
| Autofocus detail | Two Nano USM motors and floating-focus system | Lead-screw STM with magnetic motor-speed sensor and feedback control, electronic manual focus |
| Focus distance detail | Minimum focusing distance 0.45 m throughout the zoom range | Minimum focus at 28 mm is 0.27 m in AF or 0.24 m in MF; main figure retains the closer MF mode |
| Magnification detail | Maximum 0.08× at 24 mm or 0.29× at 105 mm; Digital Camera World's table incorrectly prints 0.8× at 24 mm, so the maker's 0.08× is retained | Maximum 0.24× at 70 mm in either AF or MF |
| Stabilisation detail | Maker 5.5 stops on EOS R at 105 mm, CIPA yaw/pitch; coordinated lens/body stabilisation up to 8 stops on EOS R3 at 105 mm under the same test directions | Lens optical IS rated 5.5 central stops at 70 mm with EOS R8, yaw/pitch under CIPA2024. Japan current feature page rates coordinated EOS R6 Mark II body/lens IS 7.5 central and 7.0 peripheral stops, yaw/pitch/roll; original press release gives the same coordinated rating with EOS R1 |
| Video features | Focus-breathing suppression; optional PZ-E2 power-zoom adapter is separate and required for powered zoom | Smooth STM movie focusing; compatible camera breathing correction is digital. Cameralabs observes uncorrected focus breathing, more visible at 28 mm |
| Design | ||
| Dust and moisture resistant | Yes | Yes |
| Filter diameter | 82 mm | 67 mm |
| Maximum diameter | 88.5 mm | 76.5 mm |
| Length | 199 mm | 92.2 mm |
| Weight | 1,330 g | 490 g (better) |
| Controls | Iris ring and two customisable lens-function buttons; three IS modes for stationary subjects, panning or unpredictable movement | Shared focus/control ring with AF/control/MF selector; separate zoom ring and stabilisation switch |
| Zoom design | Fixed-length internal zoom | Retractable barrel must be extended to 28 mm before shooting; length 92.2 mm stored, 112.4 mm at 28 mm and 138.9 mm at 70 mm, per Japan maker table |
| Weather resistance | Dust- and drip-resistant construction; no published IP rating | UK maker states dust/moisture resistance, including rubber mount seal; no waterproof rating published |
| Dimensions detail | – | Maximum diameter 76.5 mm; 92.2 mm length when retracted |
| Weight detail | Canon Camera Museum gives approximately 1330 g; Canon Asia lists 1430 g without stating the accessory basis, and Digital Camera World gives 1350 g. Museum figure used; no inferred accessory-excluded weight | UK current specification and store state 490 g; Japan current table, Camera Museum and original press release state 495 g. Main value follows UK specification; no undocumented regional variant inferred |
| Tripod mount | Detachable without a special tool | – |
| Lens hood | EW-88E included | EW-73D, sold separately |
| In the box | Lens Cap E-82 II, Lens Dust Cap RF, EW-88E hood and LZ1326 (B) bag on Canon Asia's page | UK maker store lists lens, E-67 II front cap, rear dust cap and user manual |
| Release detail | Canon Camera Museum records first marketing in November 2023; no precise retail day inferred | September 2024 marketed month in Canon Camera Museum; original maker release specifies 27 September in Japan. No exact worldwide first-sale day inferred; no successor link inferred across co-sold standard zooms |
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