**đ¸ Dynamic Ultra-Wide Versatility**
- Canon RF 10-20mm f/4 L IS STM: State-of-the-art ultra-wide zoom lens.
- Professional quality for landscape, nature, architecture, and interior imaging.
- Optimized for both photo and video applications.
- Versatile, full-frame, L-series lens.
**đ Advanced L-Series Optics**
- Rectilinear optical design with one Super UD, three standard UD, and three aspherical elements.
- Reduces chromatic aberration and distortion throughout the zoom range.
- Consistent edge-to-edge sharpness and illumination.
- ASC and SWC coatings reduce flare, ghosting, and aberrations.
- FLC fluorine coating repels dust, water, grease, and dirt.
- Endures high-frequency lens surface wiping.
- Anti-reflective effect for clear images.
**đŻ Fast Autofocus and Image Stabilization**
- Fast and precise autofocus system.
- Nearly-silent autofocus with full-time manual focus override.
- Quiet high-speed STM focus drive system.
- Optical Image Stabilizer minimizes camera shake by five stops.
- Coordinated IS system (with compatible EOS R-series cameras) for up to six stops.
- Minimum focusing distance of just under 10" at all focal lengths.
**⨠Handling and Design**
- Configurable Control Ring adjusts exposure settings (aperture, ISO, exposure compensation).
- Nine-blade diaphragm for smooth bokeh quality.
- Accepts rear insert-type gelatin filters.
- Built-in petal-shaped lens hood.
- L-series construction sealed against dust and moisture.