Product Information
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RF 20-50mm f4L IS USM PZ Lens
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Front Lens Cap (67mm)
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Rear Lens Cap
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Lens Hood
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Lens Pouch
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Limited 1-Year Manufacturer Warranty
| Lens | |
|---|---|
| Focal Length | 20–50mm |
| APS-C Equivalent | Approx. 32–80mm |
| Maximum Aperture | f/4 |
| Minimum Aperture | f/22 |
| Lens Mount | Canon RF mount (metal) |
| Compatible Cameras | Canon EOS R-series and RF-compatible Cinema EOS cameras |
| Minimum Focusing Distance | 9.5 in. / 0.79 ft. / 0.24 m |
| Maximum Magnification | 0.33x (at 50mm) |
| Angle of View | 20mm: 94° 50mm: 46° |
| Zoom | |
|---|---|
| Zoom Method | Power zooming (W–T position) Manual zooming (20–50mm position) Lock switch for Power Zoom position |
| Zoom Motor | Dual Nano USM motors (used in both power and manual zoom) |
| Zoom Design | Internal zoom (no change in lens length) |
| Optical Design | |
|---|---|
| Lens Construction | 13 elements in 11 groups |
| Special Elements | 3x UD elements 2x Aspheric elements |
| Lens Coatings | Super Spectra Coating (SSC) Air Sphere Coating (ASC) Fluorine Coating |
| Floating Focus System | None |
| Filter Size | 67mm |
| Aperture Blades | 9 |
| Image Stabilization | |
|---|---|
| Image Stabilization | Yes |
| Optical IS | Up to 6.0 stops (center) |
| Coordinated IS | Up to 8.0 stops (center and corners) with IBIS |
| Coordinated IS Control | Lens IS + IBIS Lens IS + IBIS + Movie Digital IS |
| SCN Stabilization Modes | Panning mode correction Panorama shot mode correction |
| Autofocus | |
|---|---|
| Focus Drive System | Nano USM (direct linear drive) |
| Full-time Manual Focus | Yes |
| AF Coverage | Approx. 100% x 100% (subject detection) Approx. 90% x 100% (manual positioning) |
| Controls | |
|---|---|
| Control Ring | Yes (click-stops, 360° rotation, 57 clicks per revolution) |
| Manual Focus Ring | Yes |
| AF/MF Switch | Yes |
| Zoom Ring | Power zoom and manual zoom modes |
| Zoom Unlock Switch | Sliding switch for Power/Manual zoom modes |
| Lens Function Button | Yes (1) |
| Build | |
|---|---|
| Dust/Weather Resistance | Yes |
| Tripod Collar | None |
| Distance Scale | None (displayed via camera menu) |
| Distance Limiter Switch | None |
| Dimensions & Weight | |
|---|---|
| Dimensions | Approx. 3.15 in. Ø x 3.9 in. / 79.9mm Ø x 98.4mm |
| Dimensions (with Hood) | Approx. 3.50 in. Ø x 5.0 in. / 89.0mm Ø x 128mm |
| Weight | Approx. 14.8 oz / 420g |




