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Canon RF-S 18-45mm F4.5-6.3 IS STM

Canon RF Autofocus OIS

Canon RF-S 18-45mm F4.5-6.3 IS STM

Focal length
18–45 mm
Aperture
f/4.5–6.3
Weight
130 g
Filter diameter
49 mm
Min. focus distance
20 cm
Length
44.3 mm
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At a Glance

The standard zoom for Canon RF on APS-C corresponds to 29-72 mm in full-frame equivalent. At just 130 g it is compact, and an optical stabilizer is built in. The aperture is f/4.5-6.3 and the minimum focus distance is 20 cm. An aspherical element and an STM motor are included. It suits everyday shooting and travel.

Good for

  • Everyday
  • Travel

Worth knowing

  • APS-C image circle: on full-frame cameras only usable in crop mode, at reduced resolution.
  • Only f/6.3 at the long end: in low light, ISO or shutter time go up.

Derived from the manufacturer data, not from our own tests. How we check

Technical Specifications

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Min. focal length
18 mm
Max. focal length
45 mm
Max. aperture (min. zoom)
f/4.5
Max. aperture (max. zoom)
f/6.3
Min. aperture
f/32
Elements
7
Groups
7
Weight
130 g (0.29 lb)
Filter diameter
49 mm
Min. focus distance
20 cm (7.87 in)
Max. magnification
1:6.3 (0.16×)
Length
44.3 mm (1.74 in)
Diameter
69 mm (2.72 in)
Released
June 2022

Manufacturer data: global.canon, usa.canon.com, usa.canon.com

Last checked: October 13, 2026 (against the manufacturer data) · How we check

Simulate depth of field and angle of view

Compare with other lenses

Which cameras does the Canon RF-S 18-45mm F4.5-6.3 IS STM fit?

The Canon RF-S 18-45mm F4.5-6.3 IS STM is designed for APS-C sensors. On APS-C Canon RF cameras its field of view equals 29-72 mm in full-frame terms. Full-frame bodies use it in APS-C (crop) mode, recording only part of the sensor and fewer megapixels.

Canon RF cameras

Full frame (in APS-C mode):
Canon EOS R8 Mark II,Canon EOS R6 V,Canon EOS R6 Mark III,Canon EOS C50,Canon EOS R1,Canon EOS R5 Mark II,Canon EOS C400,Canon EOS C80,Canon EOS R8,Canon EOS R6 Mark II,Canon EOS R5 C,Canon EOS R3,Canon EOS R5,Canon EOS R6,Canon EOS Ra,Canon EOS RP,Canon EOS R
APS-C:
Canon EOS R50 V,Canon EOS R100,Canon EOS R50,Canon EOS R7,Canon EOS R10,Canon EOS C70

Canon RF-S 18-45mm F4.5-6.3 IS STM compared

Key specs side by side with the most similar Canon RF lenses.

LensCanon RF-S 18-45mm F4.5-6.3 IS STMSigma 18-50mm F2.8 DC DN ContemporaryTamron 16-50mm F2.8 ACanon RF 20-50mm F4 L IS USM PZ
Focal length18-45 mm18-50 mm16-50 mm20-50 mm
Max. aperturef/4.5-6.3f/2.8f/2.8f/4
Weight130 g300 g305 g420 g
Filter diameter49 mm55 mm55 mm67 mm
Min. focus distance20 cm12.1 cm15 cm24 cm
Length44.3 mm74.5 mm77.6 mm98.4 mm
Autofocusyesyesyesyes
Image stabilizationyesnonoyes
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Comparisons with this lens

Canon RF-S 18-45mm F4.5-6.3 IS STM: FAQ

Does the Canon RF-S 18-45mm F4.5-6.3 IS STM have autofocus?

Yes, the Canon RF-S 18-45mm F4.5-6.3 IS STM has autofocus.

Does the Canon RF-S 18-45mm F4.5-6.3 IS STM have image stabilization?

Yes, the Canon RF-S 18-45mm F4.5-6.3 IS STM has optical image stabilization.

How much does the Canon RF-S 18-45mm F4.5-6.3 IS STM weigh?

The Canon RF-S 18-45mm F4.5-6.3 IS STM weighs 130 g. It is 44.3 mm long with a diameter of 69 mm.

What filter size does the Canon RF-S 18-45mm F4.5-6.3 IS STM use?

The Canon RF-S 18-45mm F4.5-6.3 IS STM takes 49 mm screw-in filters.

How close can the Canon RF-S 18-45mm F4.5-6.3 IS STM focus?

The minimum focus distance of the Canon RF-S 18-45mm F4.5-6.3 IS STM is 20 cm, measured from the sensor plane.

Is the Canon RF-S 18-45mm F4.5-6.3 IS STM a full-frame lens?

No, the Canon RF-S 18-45mm F4.5-6.3 IS STM is an APS-C lens. On APS-C cameras its field of view equals 29-72 mm in full-frame terms.

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