Canon RF 800mm f/11 IS STM Lens Crop Sensor EF-S 4 maximum aperture excels in

4 maximum aperture excels in low-light conditions and allows for selective focus control

Optical Excellence: Updated optical design with 9 elements in 8 groups

425-Point Fast Hybrid AF

thanks to two aspherical lenses and special highly refractive glass with anomalous partial dispersion

Silent Autofocus: Features a lead screw-type STM stepping AF motor for smooth and quiet autofocus suitable for both photos and videos

Canon RF 800mm f/11 IS STM Lens Crop Sensor EF-S 4 maximum aperture excels inRF Mount Lens Full Frame Format Fixed f 11 Aperture Retractable, Locking Lens Barrel Gapless Dual Layer Diffractive Optics STM Stepping AF Motor Optical Image Stabilizer Customizable Control Ring Compatible with RF Extenders