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Canon EF-S 18–55mm f/3.5–5.6 IS STM vs Canon RF-S 18–45mm F4.5–6.3 IS STM

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

Better figure, where one is clearly better

CanonEF-S 18–55mm f/3.5–5.6 IS STMCanonRF-S 18–45mm F4.5–6.3 IS STM
Overview
ReleasedApril 2013June 2022
Optics
Lens typeZoomZoom
Focal length18–55 mm18–45 mm
Maximum aperturef/3.5–5.6f/4.5–6.3
Minimum aperturef/22–36f/22–32
Optical construction13 elements in 11 groupsSeven elements in seven groups
Special elementsOne high-precision aspherical elementTwo plastic-moulded aspherical elements; Super Spectra coating; no fluorine coating
Aperture detailMinimum f/22–36 with third-stop increments; f/22–38 with half-stop increments according to Canon's manualMinimum f/22 at 18 mm and f/32 at 45 mm, per UK and Japan specifications; Camera Museum table lists f/18 at 18 mm
DiaphragmSeven blades with a circular apertureSeven blades
Angle of viewHorizontal 64°30′–23°20′; vertical 45°30′–15°40′; diagonal 74°20′–27°50′–
Mount and compatibility
MountsCanon EF-SCanon RF
Image circleAPS-CAPS-C
CompatibilityCanon EF-S compatible APS-C cameras; 29–88 mm equivalent field of view; EOS M use requires Mount Adapter EF-EOS MCanon RF mount with APS-C image circle; full-frame EOS R bodies crop to APS-C; RF extenders and EF extension tubes not compatible
Teleconverter supportCanon extenders cannot be used–
Focus and stabilisation
AutofocusYesYes
Minimum focus distance0.25 m0.15 m (manual focus)
Maximum magnification0.36×0.26× (manual focus)
Optical stabilisationYesYes
Autofocus detailLead-screw STM supports Movie Servo AF on compatible cameras; manual adjustment after One-Shot autofocus requires keeping the shutter button half pressedSTM autofocus and electronic manual focusing
Focus distance detailElectronic manual focusing is unavailable with the camera off or lens asleep; internal focusing with a non-rotating filter thread according to both reviewsAutofocus minimum 0.20 m at 18 mm, 0.30 m at 35 mm and 0.35 m at 45 mm; manual-focus minimum 0.15 m, 0.24 m and 0.25 m at those focal lengths
Magnification detailMaximum 0.36× at 55 mm; EF12 II gives 0.65–0.23× and EF25 II gives 1.00–0.51× at 55 mm; both are incompatible at 18 mmAutofocus maximum 0.14× at 18 mm, 0.15× at 35 mm and 0.16× at 45 mm; manual-focus maximum 0.25×, 0.21× and 0.26× respectively
Stabilisation detailCanon's manual and Japanese support specify 3.5 stops under CIPA testing at 55 mm using an EOS 7D; the UK specification lists four stops. Automatic panning compensation; Canon recommends switching IS off on a tripod to conserve power.Optical IS rated four stops with EOS R10 at 45 mm under CIPA, yaw/pitch; coordinated IS rated 6.5 stops with EOS R7 at 45 mm under CIPA, yaw/pitch
Design
Dust and moisture resistant–No
Filter diameter58 mm49 mm
Maximum diameter69 mm69 mm
Length75.2 mm44.3 mm
Weight205 g130 g
Controls–Combined focus/control ring and zoom ring; AF/MF and IS controlled through camera settings
Zoom designMost compact around 30 mm, extending modestly towards both ends according to The Digital PictureRetractable barrel; lens must be extended for shooting
Weather resistance–No dust or moisture resistance
Dimensions detail69 mm maximum diameter × 75.2 mm retracted length; dimensions and 205 g weight are lens only, excluding capsApproximately 69 mm maximum diameter × 44.3 mm length, retracted
Weight detail–Approximately 130 g lens
Lens hoodEW-63C hood and LP1016 pouch sold separatelyEW-53 hood and LP814 pouch, sold separately
In the boxE-58II front cap, Lens Dust Cap E, instructions and warranty card according to Canon JapanLens, E-49 front cap, RF lens dust cap and user manual
Release detailCanon Japan's support specification gives first sale on 12 April 2013, earlier than the announcement's promised late April; Camera Museum records April. The day is the Japanese release, not a separately confirmed UK day.June 2022 marketed month in Canon Camera Museum

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