Canon RF-S 18-45mm f/4.5-6.3 IS STM Lens
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As part of our new RF-S lens line, the RF-S18-45mm F4.5-6.3 IS STM gives you the flexibility you desire without taking up your whole camera bag. This lens was designed with smaller APS-C sensors in mind, and when joined with a full frame EOS R camera, automatically enables the 1.6x crop mode. It offers 100% x 100% Dual Pixel CMOS AF coverage for APS-C sensors, and 80% x 80% Dual Pixel CMOS AF coverage for Full Frame sensors (in crop mode). The small size of the RF-S18-45mm and clever lens retraction mechanism lets it fit just about anywhere, making it a great lens to bring with you on a walk or wherever the day takes you. The lead screw-type stepping motor (STM) helps ensure smooth autofocus and quiet operation, letting you capture videos with great audio and minimal background noise so you won’t distract your subject in a quiet photo environment. Optical Image Stabilization provides up to 4 stops of correction, and up to 6 stops with Coordinated IS. This advanced image stabilization can result in sharper photos with minimal blur, even in low light situations. When you add all of this together, you get a wonderful, lightweight, and versatile lens that is designed to fit into your life.
- Compact and lightweight standard zoom lens for APS-C cameras with the RF mount; automatic APS-C sensor cropping if used on full-frame EOS R-series cameras.
- A versatile zoom range of 18-45mm.
- Excellent image quality with two Aspheric elements and Canon Super Spectra Coating.
- Optical image stabilization at up to 4 stops of shake correction.
- Up to 6 stops of shake correction when paired with EOS R series cameras featuring In-Body Image Stabilizer (IBIS).
- A quiet stepping motor (lead screw-type STM) helps provide smooth autofocusing when shooting videos.
- The lens-retraction mechanism allows the lens to be retracted by turning the zoom ring for a compact, lightweight and portable design.
- The minimum focus distance of 7.9 inches (AF mode), and allows shooting at a maximum magnification of 0.16x in AF mode,
- 0.26x in MF mode (at 45mm).
- Circular (7 blades) aperture for beautiful, soft backgrounds
- Yes
- (Supports both ONE SHOT AF and SERVO AF with compatible EOS R-series cameras)
- EOS R — Approx. 80% x 80%
- EOS R5 — Approx. 80% x 80%
- EOS R7/R10 — Approx. 100% x 100%
- Electronic ring system
- Full-time Manual focus possible
- No physical limit to ring rotational angle
- Distance scale available in EVF or Live View LCD screen of compatible
- Canon EW-53
- Bayonet-mount, petal-shaped hood
- Optional accessory, sold separately
- Canon Lens Case LP814
- Optional accessory, sold separately
Canon RF-S 18-45mm f/4.5-6.3 IS STM Lens
Lens
| Focal Length | 18-45mm |
| Maximum and Minimum Aperture | f/4.5 - f/32 |
| Lens Mount Type | RF Mount |
| Compatible Cameras | Canon EOS R-series, APS-C and full-frame (automatic APS-C sensor cropping if used on full-frame EOS R-series cameras) |
| Minimum Focusing Distance | 0.20 m (at 18 mm) |
| Maximum Magnification | 0.16x (at 45 mm) |
| Field of View, at Minimum Focus Distance | Approx. 153 × 102 mm (at 18 mm) to approx. 137 × 92 mm (at 45 mm) |
| Angle of View (Diagonal) | Approx. 74° 20’ - 33° 40’ |
Optical Design
| Lens Construction | 7 elements in 7 groups |
| Special Elements | (Two) Aspherical elements |
| Lens Coating | Canon SSC (Super Spectra Coating) |
| Filter Size | Diameter 49 mm |
| Aperture Blades | 7 |
| Image Stabilization | 4 stops correction with In-lens Optical Image Stabilization (6 stops correction with EOS R5 in-body coordinated Image stabilization) |
Focusing
| Focusing Drive System | Canon STM (Leadscrew type STM) |
| Full-time Manual Focusing | |
| Dual Pixel CMOS AF Coverage (Horizontal x Vertical) |
Exterior Design
| Control Ring | Dual-function Manual focus ring / Control Ring (selected using camera menu) |
| Manual Focus Ring | |
| AF/MF Switch | None — focus mode selected in camera menu |
| MF/Control Ring Switch | None — must be selected in camera menu |
| Distance Scale | None |
| Distance Limiter | Switch None |
| Dust / Weather Resistant Construction None |
Dimensions, Weight
| Maximum Outer Diameter x Length | Approx. ø2.7 in. x 1.7 in. (ø68.9mm x 44.3mm) |
| Weight | Approx. 4.6 oz. / 0.3 lb. / 130g |
Accessories
| Lens hood | |
| Lens Cap | (Front) Canon E-49 (center pinch-type) (Bundled) |
| Dust Cap | Canon Lens Dust Cap RF (Bundled) |
| Lens Case | |
| Extension Tubes | None (No Canon RF mount extension tubes) |
| Close-up Lenses 250D / 500D None (No ø49mm size available) | |
| Canon RF Extender 1.4x/2x | Not compatible |
| Canon Gelatin Filter Holder III/IV | Not compatible |
Frequently Asked Questions
How do I return an item?
How do I return an item?
Returns are incredibly simple. Please log into your account, find your item you wish to return and follow the prompts to make a return. If you do not have an account, click here to find your order and make a return.
Will I receive a full refund when I return an item?
Will I receive a full refund when I return an item?
You will receive a full refund when you return an item in its original manufacturer’s packaging, undamaged and unmarked. If the item you are returning is priced at less than $35, you will be charged a 15% restocking fee. Please note you will not be refunded any shipping charges.
How many days do I have to make a return?
How many days do I have to make a return?
You have 30 days to make a return. During the holiday season, from November 1 to December 31, we extend the return window to 60 days.
My item was damaged in transit. How do I place a return?
My item was damaged in transit. How do I place a return?
If your order has been noticeably damaged in transit, we strongly recommend that you refuse delivery and notify us immediately. Claims for missing items or items damaged in transit must be made within 48 hours of delivery. If there is carrier damage, please contact support@focuscamera.com with your order number and a description of the damage.
There’s an issue with my order, what should I do?
There’s an issue with my order, what should I do?
Oh no! Please contact our customer service team so we can resolve the issue immediately. You can call us on 1.800.221.0828, email us at support@focuscamera.com, or send us a message here.
Can I exchange an item?
Can I exchange an item?
We do not currently offer exchanges. Please return the item you purchased within 30 days and order what you’d like instead.
If I ordered a kit, do I have to return all the items?
If I ordered a kit, do I have to return all the items?
If you ordered a kit, you must return all components and accessories to receive a full refund.
I ordered a product that included a free item. I’d like to return it, do I need to return the free item as well?
I ordered a product that included a free item. I’d like to return it, do I need to return the free item as well?
If you ordered a product that included a free item, you must include the free item with your return. If not, your return will not be accepted and you will not receive a full refund.
Do you offer repairs?
Do you offer repairs?
We currently only offer camera repairs at our Brooklyn store. The item must be dropped off and collected in person as we do not accept shipped items for repair. For more information, please call our Brooklyn store on 1.718.431.7900.
What is your return policy?
What is your return policy?
Most items can be returned within 30 days for a full refund. Click here to read our full return policy.









