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| Optical Design | |
| Lens Construction | 16 elements in 12 groups |
| Special Elements | 1 super UD lens, 3 UD lenses and 3 aspheric lenses |
| Lens Coating | Canon SSC (Super Spectra Coating), SWC (Subwavelength structure coating), ASC (Air Sphere Coating), Fluorine coating. |
| Filter Size Diameter | None (inserted in gelatin filter holder at the rear of the lens) |
| Aperture Blades | 9 |
| Image Stabilization | 5.0 stops correction with In-lens Optical Image Stabilization (6.0 stops correction with EOS R series in-body coordinated Image stabilization) |
| Focusing | |
| Focusing Drive System | Canon STM (Leadscrew type STM) |
| Full-time Manual Focusing | Yes |
| (Supports both ONE SHOT AF and SERVO AF with compatible EOS R-series cameras) | Dual Pixel CMOS AF Coverage@999br/> (Horizontal x Vertical) |
| • EOS R5 — Approx. 90% x 100% (Approx. 100% x 100% when using face and tracking-priority) | |
| • EOS R — Approx. 88% x 100% | |
| • EOS R7/R10 — Approx. 90% x 100% (approx. 100% x 100% when subject is detected, or with Whole Area AF active) | |
| Exterior Design | |
| Control Ring | Yes, with click stops |
| (click stops can be removed by a Canon service facility, for a fee) | |
| Manual Focus Ring | Electronic ring system |
| • Full-time Manual focus possible | |
| • No physical limit to ring rotational angle | |
| AF/MF Switch | Yes; AF/MF |
| MF/Control Ring Switch | No |
| Distance Scale | None (Electronic distance scale possible in viewfinder or LCD monitor, with compatible EOS R-series cameras) |
| Distance Limiter Switch | None |
| Dust / Weather Resistant Construction | Yes |
| Dimensions, Weight | |
| Maximum Outer Diameter x Length | Approx. ø3.3 in. (ø83.7mm) x 4.4 in. (112mm) |
| Weight | Approx. 20.1 oz. / 1.3 lbs. / 570g |
| Accessories | |
| Lens hood | built into lens body |
| Lens Cap | (Front) Canon Lens Cap 10-20 (Bundled) |
| Dust Cap | Canon Lens Dust Cap RF (Bundled) |
| Lens Case | Canon Lens Case LP1219 (Bundled) |
| Extension Tubes | None (No Canon RF mount extension tubes) |
| Close-up Lenses 250D / 500D | Not Compatible |
| Canon RF Extender 1.4x/2x | Not compatible |
| Canon Gelatin Filter Holder III/IV | Not compatible — gelatin filter holder on the rear of the lens. |
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