Lenses that support changes in the AF speed USM EF 400mm f /4 DO IS II USM EF 11-24mm f /4L USM EF 50mm f/1.8 STM EF 35mm f /1.4L II USM EF-S 18-135mm f /3.5-5.6 IS USM EF 24-105mm f /4L IS II USM EF 70-300 mm f/4-5.6
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.
