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Everyday Photography
The 29-72mm equivalent range covers many everyday compositions without adding significant weight to the camera.
Canon RF-S | Standard Zoom
Canon RF-S18-45mm F4.5-6.3 IS STM | Ultra-Compact Standard Zoom
The Canon RF-S18-45mm F4.5-6.3 IS STM is an ultra-compact standard zoom designed for Canon APS-C EOS R cameras. Covering an 18-45mm focal range, equivalent to approximately 29-72mm in 35mm format, it provides a practical perspective for everyday photography, travel, family moments and general content creation.
At approximately 130g and only 44.3mm long when fully retracted, this lens is built around portability without giving up useful optical stabilisation, quiet STM autofocus and close-focusing capability.
18-45mmFocal Range
29-72mm35mm Equivalent
130gApprox. Weight
6.5 StopsMax. IS*
Jump to What Matters
At a Glance
Canon RF-S18-45mm F4.5-6.3 IS STM Key Highlights
- Ultra-compact standard zoom design
- Approx. 130g lightweight construction
- 18-45mm focal length range
- 29-72mm effective focal length in 35mm format
- Optical Image Stabilizer up to 4 stops
- Up to 6.5 stops with Coordinated Control IS on compatible cameras
- Smooth and quiet leadscrew-type STM autofocus
- Center Focus Macro capability
- Up to 0.26x magnification with manual focus
- Up to 0.16x magnification with autofocus
- Dual-function focus and exposure control ring
- Supports in-camera Digital Lens Optimizer
Compact & Lightweight
One of Canon’s Most Portable RF-S Standard Zoom Options
The RF-S18-45mm F4.5-6.3 IS STM is designed around a compact APS-C camera setup. Measuring approximately 69mm in diameter and only 44.3mm in length when fully retracted, it occupies very little space in a camera bag.
At approximately 130g, the lens keeps the overall camera setup lightweight. Canon’s supplied product information also notes that it is nearly 40% lighter than the EF-S18-55mm F4-5.6 IS STM.
130g Lightweight
A featherweight lens for photographers who want to keep their APS-C kit easy to carry.
A featherweight lens for photographers who want to keep their APS-C kit easy to carry.
44.3mm Retracted
The compact retracted length makes the lens convenient for everyday storage and travel.
The compact retracted length makes the lens convenient for everyday storage and travel.
Everyday Carry
Its small footprint suits casual photography, family moments and travel.
Its small footprint suits casual photography, family moments and travel.
APS-C EOS R Pairing
Designed as a compact standard zoom companion for Canon APS-C EOS R System cameras.
Designed as a compact standard zoom companion for Canon APS-C EOS R System cameras.
Versatile Focal Range
18-45mm for Everyday Photography
The 18-45mm range provides a practical standard zoom perspective for everyday subjects. On APS-C, the effective focal length is approximately 29-72mm in 35mm format, covering useful wide-to-short-telephoto framing.
At 18mm, the lens provides a broader perspective for travel, interiors, group shots and environmental scenes. Moving toward 45mm provides tighter framing for portraits, details and everyday subjects without requiring a lens change.
Travel
A compact focal range for documenting places, people and everyday travel moments.
A compact focal range for documenting places, people and everyday travel moments.
Family & Everyday
The standard zoom range suits snapshots, gatherings and general-purpose photography.
The standard zoom range suits snapshots, gatherings and general-purpose photography.
Portraits
The longer end provides tighter framing for portraits and individual subjects.
The longer end provides tighter framing for portraits and individual subjects.
Street & Lifestyle
The 29-72mm equivalent range gives flexibility for both environmental and closer compositions.
The 29-72mm equivalent range gives flexibility for both environmental and closer compositions.
EOS R System Compatibility
Designed for APS-C, Compatible Across the EOS R System
Canon states that the lens is designed to work across the EOS R system, whether used on a full-frame or APS-C camera. When used as an RF-S lens, its effective focal length is approximately 29-72mm in 35mm format.
APS-C Advantage
For photographers using Canon APS-C EOS R cameras, the 18-45mm range functions as a compact everyday standard zoom while keeping the overall camera package small and lightweight.
Image Stabilisation
Up to 4 Stops Optical IS and 6.5 Stops with Coordinated Control IS
The RF-S18-45mm F4.5-6.3 IS STM features an optical Image Stabilizer providing up to 4 stops of image stabilisation.
When paired with a compatible camera, Canon specifies up to 6.5 stops with Coordinated Control IS. This can help reduce the visible effects of camera shake when shooting handheld.
Handheld Photography
Optical IS helps maintain sharper results when working without a tripod.
Optical IS helps maintain sharper results when working without a tripod.
Everyday Shooting
Useful when photographing indoors, during travel or in other situations where a tripod is inconvenient.
Useful when photographing indoors, during travel or in other situations where a tripod is inconvenient.
Coordinated Control IS
Compatible cameras can increase the stated stabilisation performance to up to 6.5 stops.
Compatible cameras can increase the stated stabilisation performance to up to 6.5 stops.
Important: The 6.5-stop figure applies when the lens is used with a compatible camera.
Close-Up Capability
Center Focus Macro for Detailed Close-Ups
The RF-S18-45mm F4.5-6.3 IS STM includes a Center Focus Macro function that allows the lens to focus closely for detailed subjects.
At 45mm, Canon specifies up to 0.26x magnification with manual focus at a minimum focusing distance of approximately 25cm. With autofocus, the lens reaches up to 0.16x magnification at 45mm with a minimum focusing distance of approximately 35cm.
Product Details
Useful for showing smaller products, textures and design details.
Useful for showing smaller products, textures and design details.
Food & Objects
The close-focusing capability adds flexibility for tabletop and everyday detail photography.
The close-focusing capability adds flexibility for tabletop and everyday detail photography.
Creative Close-Ups
Move closer to everyday subjects for more intimate compositions.
Move closer to everyday subjects for more intimate compositions.
Center Focus Macro
The maximum 0.26x magnification is specified for manual focus at 45mm. Autofocus provides up to 0.16x magnification at 45mm.
Autofocus & Handling
Smooth and Quiet STM Autofocus for Stills and Video
Canon’s leadscrew-type stepping motor (STM) provides smooth and quiet autofocus operation. This is useful for movie recording as well as still photography where distracting focus noise can be undesirable.
The lens also features Canon’s distinctive knurled dual-function control ring, which can act as both a focusing and exposure-control interface.
Leadscrew-type STM
Smooth and quiet autofocus operation for stills and movie recording.
Smooth and quiet autofocus operation for stills and movie recording.
Focus Control
Use the control ring for focusing when working manually.
Use the control ring for focusing when working manually.
Exposure Control
The same distinctive control ring can also provide exposure-control functionality.
The same distinctive control ring can also provide exposure-control functionality.
Image Processing
Supports Canon Digital Lens Optimizer
The RF-S18-45mm F4.5-6.3 IS STM supports Canon’s in-camera Digital Lens Optimizer (DLO), which is designed to enhance images by minimising optical aberrations and distortions.
DLO Support
For compatible Canon cameras, in-camera Digital Lens Optimizer support provides an additional layer of image correction within the EOS R workflow.
Who Is It For?
Where the RF-S18-45mm Fits Best
Travel Photography
The 130g lens and compact retracted dimensions make it practical for photographers who want a lightweight travel kit.
Family & Lifestyle
The flexible standard zoom range works for gatherings, candid moments and general lifestyle photography.
Street Photography
Its compact size helps maintain a discreet, lightweight setup while providing flexible framing.
Video & Content
Quiet STM autofocus, Optical IS and the compact form factor make it suitable for everyday video and creator setups.
Close-Up Details
Center Focus Macro capability adds flexibility for product details, tabletop subjects and creative close-ups.
Build Your RF-S Kit
Explore More Canon RF-S Lenses
The RF-S18-45mm is positioned as a compact everyday standard zoom. Depending on your shooting requirements, other Canon RF-S lenses can extend your field of view toward ultra-wide perspectives, broader all-purpose coverage or telephoto shooting.
Canon RF-S10-18mm F4.5-6.3 IS STM
An ultra-wide zoom for creators, landscapes, interiors, selfies and situations where a wider field of view is needed.
Canon RF-S14-30mm F4-6.3 IS STM PZ
A compact ultra-wide-to-standard zoom distinguished by its built-in Power Zoom and 15 selectable zoom-speed levels.
Canon RF-S18-150mm F3.5-6.3 IS STM
A broad-range zoom extending substantially beyond the 18-45mm range for travel, general photography and distant subjects.
Canon RF-S55-210mm F5-7.1 IS STM
A telephoto zoom for subjects that require more reach than the standard 18-45mm range can provide.
RF-S Lens Comparison
Canon RF-S18-45mm vs Other RF-S Zoom Options
The RF-S18-45mm occupies a compact standard-zoom position within the RF-S range. The comparison below focuses on focal range, weight and design purpose rather than suggesting that one lens is universally better than another.
| Feature | RF-S18-45mm | RF-S10-18mm | RF-S14-30mm PZ | RF-S18-150mm |
|---|---|---|---|---|
| Focal Range | 18-45mm | 10-18mm | 14-30mm | 18-150mm |
| 35mm Equivalent | 29-72mm | 16-29mm | 22-48mm | 29-240mm |
| Approx. Weight | 130g | 150g | 181g | 310g |
| Power Zoom | No | No | Yes | No |
| Primary Role | Compact everyday standard zoom | Ultra-wide zoom | Ultra-wide to standard + Power Zoom | Broad all-purpose zoom |
Complete Creator Setup
Build a Lightweight Canon APS-C Setup
The RF-S18-45mm can serve as the compact everyday lens in a lightweight Canon APS-C kit. Its small size and stabilisation make it practical as a general-purpose starting point, while additional RF-S lenses can be added as your shooting requirements expand.
1
RF-S18-45mm
Compact everyday standard zoom
RF-S18-45mm
Compact everyday standard zoom
2
APS-C EOS R Camera
Lightweight mirrorless camera body
APS-C EOS R Camera
Lightweight mirrorless camera body
3
Compact Tripod
Stable support for photography and video
Compact Tripod
Stable support for photography and video
4
Additional RF-S Lens
Expand toward ultra-wide or telephoto coverage
Additional RF-S Lens
Expand toward ultra-wide or telephoto coverage
Buying Considerations
What to Consider Before Buying the RF-S18-45mm
Compact Standard Zoom
The RF-S18-45mm is built around portability. Its 130g weight and compact retracted dimensions make it particularly relevant when keeping the camera kit small is more important than having a very wide focal range or long telephoto reach.
- Consider it for lightweight everyday APS-C photography.
- The 18-45mm range covers approximately 29-72mm in 35mm format.
- Its 130g weight helps keep the overall camera setup portable.
- Optical IS provides up to 4 stops independently.
- Compatible cameras can provide up to 6.5 stops with Coordinated Control IS.
- Center Focus Macro provides up to 0.26x magnification with manual focus.
- For a wider field of view, consider the RF-S10-18mm.
- For significantly greater reach, consider the RF-S18-150mm.
Technical Reference
Canon RF-S18-45mm F4.5-6.3 IS STM Full Specifications
The specifications below follow the Canon product information supplied for the RF-S18-45mm F4.5-6.3 IS STM.
Optical & Focusing
| Focal Length | 18-45mm |
|---|---|
| Angle of View — Diagonal | 74°20′ – 33°40′ |
| Angle of View — Horizontal | 64°30′ – 28°20′ |
| Angle of View — Vertical | 45°30′ – 19°0′5 |
| Closest Focusing Distance | 0.2m / 0.66ft (AF, 18mm) 0.15m / 0.49ft (MF, 18mm) |
| Lens Construction | 7 groups, 7 elements |
| Drive System | Leadscrew-type STM |
| Maximum Magnification | 0.16x (AF, 45mm) 0.26x (MF, 45mm) |
| Minimum Aperture | F22-32 |
| Diaphragm Blades | 7 |
Dimensions, Filter & Weight
| Diameter × Length | 69.0 × 44.3mm |
|---|---|
| Filter Size | 49mm |
| Weight | Approx. 130g |
| Distance Scale | – |
| Anti-dust & Moisture | – |
Image Stabilisation & Functions
| Optical Image Stabilizer | Up to 4 stops |
|---|---|
| Coordinated Control IS | Up to 6.5 stops with compatible camera |
| Center Focus Macro | Yes |
| Digital Lens Optimizer | Supported in-camera |
| Control Ring | Focus and exposure control |
Accessories
| Lens Cap | Lens Cap E-49 & Lens Dust Cap RF — included |
|---|---|
| Lens Hood | Lens Hood EW-53 — sold separately |
| Lens Case | Lens Case LP814 — sold separately |
Specification note: Canon’s supplied specification lists anti-dust and moisture protection as “-”.
Macro note: The stated 0.26x maximum magnification is specified at 45mm using manual focus.
Frequently Asked Questions
Canon RF-S18-45mm F4.5-6.3 IS STM FAQ
What is the Canon RF-S18-45mm F4.5-6.3 IS STM?
It is an ultra-compact standard zoom lens designed for Canon’s APS-C EOS R system, covering an 18-45mm focal range with approximately 29-72mm equivalent coverage in 35mm format.
How much does the RF-S18-45mm weigh?
The lens weighs approximately 130g.
What is the 35mm equivalent focal length?
Canon specifies an effective focal length of approximately 29-72mm in 35mm format.
How much image stabilisation does the RF-S18-45mm provide?
The optical Image Stabilizer provides up to 4 stops, while Coordinated Control IS can provide up to 6.5 stops when used with a compatible camera.
Does the RF-S18-45mm have autofocus?
Yes. It uses Canon’s leadscrew-type STM drive system for smooth and quiet autofocus operation.
What is the maximum magnification?
The lens reaches up to 0.26x magnification at 45mm using manual focus. With autofocus, maximum magnification is 0.16x at 45mm.
Does it support macro photography?
It features Center Focus Macro functionality. Canon specifies up to 0.26x magnification at 45mm with manual focus.
What filter size does the lens use?
The RF-S18-45mm uses 49mm filters.
Does the lens have a control ring?
Yes. Canon’s distinctive knurled control ring can act as both a focusing and exposure-control ring.
Final Thoughts
A Lightweight Standard Zoom Built for Everyday Canon APS-C Photography
The Canon RF-S18-45mm F4.5-6.3 IS STM focuses on one clear idea: keeping a capable standard zoom as small and light as possible. At approximately 130g, with a compact 44.3mm retracted length, it is well suited to photographers who want an everyday lens without adding significant bulk.
Its 29-72mm equivalent range, Optical Image Stabilizer, quiet STM autofocus, Center Focus Macro capability and Digital Lens Optimizer support give the lens useful flexibility across everyday photography and content creation.
