| Lens Specifications |
|---|
| Feature | Specification |
| Focal Length | 7–14mm |
| APS-C zoom range: approx. 8.7–14mm |
| “C” marking indicates widest APS-C zoom setting without vignetting (approx. 8.7mm) |
| Fisheye Image Type | Full-frame: circular fisheye (7mm); diagonal/full-frame fisheye (14mm) |
| APS-C: diagonal/full-frame fisheye (approx. 8.7–14mm) |
| Maximum / Minimum Aperture | f/2.8–f/22 (7mm); f/3.5–f/29 (14mm) |
| Lens Mount | Canon RF mount (metal) |
| Compatible Cameras | Canon EOS R-series and RF-compatible Cinema EOS |
| Minimum Focusing Distance | 5.9 in. / 0.49 ft. / 0.15m |
| Maximum Magnification | 0.35x (at 14mm, center of image) |
| Angle of View (Diagonal, FF) | 7mm: 190° |
| 14mm: 180° |
| Optical Design |
| Feature | Specification |
| Lens Construction | 16 elements in 11 groups |
| Special Elements | 5× Ultra-low Dispersion (UD) |
| 2× Aspheric |
| Lens Coatings | Super Spectra Coating (SSC) |
| Air Sphere Coating (ASC) on rear of 3 elements |
| Fluorine coating (front element) |
| Floating Focus System | None |
| Zooming | Internal (no length change) |
| Filter System | No front filter |
| Rear drop-in slot (same as Canon Mount Adapter EF–EOS R) |
| Canon Clear Drop-in Filter A included |
| Drop-in filter must be used at all times |
| No rear gel holder |
| Aperture Blades | 9 |
| Image Stabilization | None |
| Autofocus |
| Feature | Specification |
| Focus Drive System | STM (stepping motor), leadscrew type, direct drive |
| Full-Time Manual Focus | Yes |
| Dual Pixel CMOS AF Coverage | Approx. 100% × 100% (subject detection active) |
| Approx. 90% × 100% (manual AF positioning) |
| Exterior Design & Controls |
| Feature | Specification |
| Control Ring | Yes (click-stops, 360° rotation, 54 clicks per revolution) |
| Manual Focus Ring | Yes |
| AF / MF Switch | Yes |
| Iris Ring | None |
| Zoom Ring | Manual, 7–14mm |
| Zoom Limit Switch | Sliding switch (Off / Limit) |
| Limit locks at 7mm (FF circular fisheye) |
| Limits zoom from 14mm to “C” position (~8.7mm APS-C) |
| Lens Function Button | Yes (1) |
| Distance Scale | None (viewfinder/LCD display only) |
| Distance Limiter Switch | None |
| Dust / Weather Resistant | Yes |
| Tripod Collar | None |
| Dimensions & Weight |
| Feature | Specification |
| Max Diameter × Length | 3.0 in. × 4.3 in. (76.5mm × 109.4mm) |
| With Hood: 3.45 in. × 5.2 in. (87.6mm × 131.7mm) |
| Weight | 16.8 oz. / 1.1 lb. / 476g |
| Accessories |
| Feature | Specification |
| Lens Hood | Canon Lens Hood EW-76 (included) |
| Bayonet mount, locking mechanism |
| Not reversible |
| FF: Use near 14mm only (vignetting at shorter focal lengths) |
| APS-C: No vignetting between 14mm and “C” setting |
| Lens Cap | Canon Lens Cap 7–14 (included) |
| Attaches to hood (hood required) |
| Dust Cap | Canon Dust Cap RF (included) |
| Lens Case | Canon LP1219 (included) |
| Extension Tubes | Not compatible |
| RF Extender 1.4× / 2× | Not compatible |
| Gelatin Filter Holder III / IV | Not compatible |