因指尖等频繁接触而易附着污垢的最前端和最后端镜片上,采用了防油防水的防污氟镀膜 支持: EF 135mm f/2L USM EF 180mm f/3.5L USM 微距 EF 200mm f/2.8L II USM EF 200mm f/2L IS USM EF 300mm f/2.8L IS II USM EF 300mm f/2.8L IS USM EF 300mm f/4L IS USM EF 400mm f/2.8L IS II USM EF 400mm f/2.8L IS USM EF 400mm f/4 DO IS USM EF 400mm f/5.6L USM EF 500mm f/4L IS USM EF 600mm f/4L IS USM EF 800mm f/5.6L IS USM EF 70-200mm f/2.8L IS II USM EF 70-200mm f/2.8L USM EF 70-200mm f/4L IS USM EF 70-200mm f/4L USM EF 100-400mm f/4.5-5.6L IS USM
