Bundle Items Include: 1 x Canon RF 600mm f/11 IS STM Lens, 1 x 82mm 3 Piece Filter Kit, 1 x Lens Cap Keeper, 1 x Cleaning Kit. An impressive and incredibly unique super-telephoto, the Canon RF 600mm f/11 IS STM is an especially compact and lightweight lens considering its long focal length. Featuring a retractable design and a fixed f/11 aperture, this lens's sleek profile makes handheld super-tele shooting a very real possibility, and optical image stabilization further helps to achieve sharp imagery when working in difficult lighting conditions.. Super-telephoto prime is designed for use with full-frame Canon RF-mount mirrorless digital cameras. Fixed f/11 aperture contributes to the sleek and portable form factor as well as a balanced mixture of depth of field and sharpness. Gapless dual-layer diffractive optics contribute to a marked reduction in chromatic and spherical aberrations as well as benefit the design of a relatively compact and lightweight lens.. Key Features: RF-Mount