Lenses that support changes in the AF speed Extender 1.4x EF-S 10-18mm f/4.5-5.6 IS STM EF -S 15-85mm f/3.5-5.6L IS USM EF-S 18-55mm f/3.5-5.6 IS STM EF-S 18-135mm f/3.5-5.6 IS STM EF-S 55-250mm f/4-5.6
Canon Maintenance Service will help ensure your Canon EOS Digital SLR camera and EF lenses maintain optimal condition and performance. Your equipment will be serviced by Canon Factory Trained Technicians, using state-of-the-art technology, to help ensure continued optimal image quality.