The Canon RF 100mm f/2.8 L Macro IS USM is a professional medium telephoto macro lens designed specifically for full-frame Canon EOS R cameras. With 1.4x maximum magnification with autofocus – the highest in its class – a bright f/2.8 aperture and a minimum focusing distance of just 10.2 inches, it delivers stunning close-up detail alongside soft, dreamy portrait bokeh, all from a single weather-sealed lens.
Canon has equipped this L-series lens with its latest technology: Dual Nano USM provides fast, near-silent autofocus, while the Hybrid IS system offers up to 5 stops of shake compensation on its own, and up to 8 stops when used with a camera that has in-body image stabilization. The unique Spherical Aberration Control ring lets you shape foreground and background bokeh to taste, making it equally at home in nature macro sessions and studio portraiture.
Key Features
- 1.4x macro magnification with autofocus: Capture sharp, greater-than-life-size detail of insects, flowers and fine texture without switching to manual focus – a genuine first at this focal length.
- Hybrid IS with up to 8 stops: The optical stabilizer compensates for both angular and shift shake; combine it with compatible in-body stabilization for up to 8 stops of total compensation during professional macro work.
- Dual Nano USM autofocus: Two Nano USM motors deliver fast, smooth, near-silent focusing – ideal for video, Live View shooting and small, quick-moving subjects.
- Spherical Aberration Control ring: Fine-tune the character of the bokeh, from crisp definition to a soft romantic glow, directly on the lens barrel, adding a creative dimension no other macro lens offers.
- Super Spectra Coating: Advanced multi-coating eliminates flare and ghosting even when shooting towards strong light sources, keeping images clean and high in contrast in the toughest conditions.
- Weather-sealed L-series build: Dust and moisture resistant construction with a 9-blade diaphragm and optional rotating tripod collar, making the lens ready for both outdoor and studio use.
Specifications
| Mount | Canon RF |
|---|---|
| Frame Coverage | Full-Frame |
| Focal Length | 100mm |
| Maximum Aperture | f/2.8 |
| Minimum Aperture | f/32 |
| Maximum Magnification | 1.4x with autofocus |
| Minimum Focusing Distance | 10.2 inches |
| Image Stabilization | Optical IS (Hybrid IS); up to 5 stops alone, up to 8 stops with in-body stabilization |
| Autofocus | Dual Nano USM – fast, smooth and quiet |
| Diaphragm Blades | 9 blades |
| Special Features | Spherical Aberration Control ring, control ring, Super Spectra Coating |
| Weather Sealing | Dust and moisture resistant design |
Frequently Asked Questions
Does this lens achieve true macro magnification, and does autofocus work at maximum magnification?
Yes. The Canon RF 100mm f/2.8 L Macro IS USM reaches 1.4x maximum magnification, beyond the true 1:1 macro ratio, and notably autofocus remains fully available at that magnification. With a minimum focusing distance of 10.2 inches, you can get very close to small subjects without losing AF.
How effective is the image stabilization, and does it work with in-body stabilization?
The lens includes Canon’s Hybrid IS, which compensates for both angular and shift shake – the two most common types in macro work. On its own the lens provides up to 5 stops of compensation. Used with an EOS R series camera that has in-body image stabilization, the combined system reaches 8 stops of total compensation, allowing sharp handheld shots even at very close focusing distances.
What is the Spherical Aberration Control ring, and how does it help portrait photographers?
The Spherical Aberration Control ring is a feature unique to this lens that lets you adjust the spherical aberration characteristic of the optical design. By turning the ring you change the character of out-of-focus areas, from clean, defined bokeh to a soft romantic glow, with no post-processing. For portrait photographers that means complete creative control over foreground and background blur in camera, giving a dreamy, painterly quality that is difficult to achieve any other way.
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