Lenses that support changes in the AF speed IS STM EF -S 35 mm f /2.8 Macro IS STM EF 85mm f/1.4L IS USM EF 70-200mm f /4 L IS II USM EF 70-200 mm f /2.8 L IS III USM EF 400 mm f /2.8 L IS III USM EF 600 mm f /2.8 IS III USM
Dust and other debris are present in all environments and can accumulate on the image sensor, viewfinder or other components of your Canon EOS Digital SLR camera or on your EF lens optics, causing spots or imperfections to appear on your photos.