Canon RF-S 55-210mm f/5-7.1 IS STM Lens with Optical Image Stabilization (Black)The Canon RF S 55 210mm f 5 7. 1 IS STM Lens with Optical Image Stabilization is a superb choice for photographers and videographers looking to add versatility and range to their lens collection. Compact and lightweight with Optical Image Stabilization for up to 4. 5 equivalent stops of shake correction. It has up to 7. 0 equivalent stops of shake correction when paired with EOS R series cameras featuring an In Body Image Stabilizer (IBIS). It extends