Canon RF-S 10-18mm f/4.5-6.3 IS STM Review
We've aggregated 2 high-signal reviews and 1 live retailer price below.

Our editorial take on the Canon RF-S 10-18mm f/4.5-6.3 IS STM
The Canon RF-S 10-18mm f/4.5-6.3 IS STM is a compact ultra-wide zoom designed specifically for Canon's APS-C RF-mount bodies, delivering a full-frame equivalent range of 16-29mm. At just 150 grams and priced at $279, it undercuts the original $370 launch price and offers a genuinely portable solution for landscape, architecture, and vlog shooters working with cameras like the R7 or R10. The lens includes 4 stops of optical stabilization that can reach 6 stops when paired with in-body systems, and its leadscrew STM motor provides quiet, smooth focus for video work.
Early reception has been positive. Reviewers highlight the lens as an excellent and appealing choice for its price bracket, calling it fantastic for a wide range of users. The 0.14m minimum focus distance and 0.5x magnification in manual mode at the wide end add versatility for close-up detail shots. Build quality is basic with no weather sealing and a variable f/4.5-6.3 aperture, but those compromises are expected at this price point. Optical performance appears solid, aided by two UD elements and an aspherical lens to control distortion and chromatic aberration. For Canon APS-C shooters needing an affordable ultra-wide, this lens delivers where it counts.
- Very affordable at $279, significantly below launch price
- Extremely light and compact at 150g, ideal for travel and handheld work
- Effective stabilization reaching 6 stops with coordinated IS on compatible bodies
- Close focusing to 0.14m with up to 0.5x magnification in manual mode
- Quiet STM autofocus suitable for video recording
- Variable f/4.5-6.3 aperture limits low-light performance
- No weather sealing for outdoor or rugged use
- Lens hood sold separately rather than bundled
Synthesized by Geared editors from early expert reviews.
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Editorial reviews
The Canon RF-S 10-18mm f/4.5-6.3 IS STM is an excellent wide-angle lens for Canon's smaller EOS R cameras. With a competitive price, it's an appealing option ...
Altogether, the RF-S 10-18mm f/4.5-6.3 IS STM looks like a fantastic choice for a lot of users. Check out the video above for Frost's full ...
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Specs
- Mount
- Canon RF
- Weight Grams
- 150 g
- Dimensions Mm
- 69 mm x 44.9 mm (diameter x length, retracted)
- Filter Thread
- 49 mm
- Stabilization
- 4.0 stops (in-lens Optical IS), 6.0 stops (with Coordinated IS on compatible cameras with IBIS)
- Weather Sealing
- None
- Af Motor
- STM (Leadscrew type STM)
- Focus Breathing
- Correction supported with compatible cameras
- Max Magnification
- 0.23x (in AF mode at 18 mm), 0.5x (in MF mode at 10 mm)
- Min Focus Distance
- 0.14 m / 5.5 in.
- Dust Cap
- Lens Dust Cap RF (bundled)
- Lens Cap
- E-49 (bundled)
- Lens Case
- LP814 (sold separately)
- Lens Hood
- EW-53B (sold separately)
- Control Ring
- Yes (focusing/control ring switchable via camera menu)
- Lens Coating
- Canon SSC (Super Spectra Coating)
- Compatible Cameras
- Canon EOS R-series, full-frame and APS-C
- Full Frame Equivalent
- 16-29 mm
- Angle Of View Diagonal
- 107° 30' to 74° 20'
- Full Time Manual Focus
- Yes (supports ONE SHOT AF and SERVO AF with compatible cameras)
- Lens Retraction Mechanism
- Yes
- Focal Length
- 10-18 mm
- Max Aperture
- f/4.5-6.3
- Min Aperture
- f/32
- Aperture Blades
- 7
- Special Elements
- 2 UD lenses, 1 aspherical lens
- Lens Construction
- 12 elements in 10 groups
- Release Date
- 2026-05-14
- Launch Price Usd
- $369.99
Where to buy
Live prices from retailers. We earn a small commission when you click through - never affects ranking.
- KEHused● In stockBest price$274Buy










