Designed to prevent stray light from entering the lens in order to keep unwanted glare from affecting your photographs.

Compatibility

-- EF-S 17-85mm f/4-5.6 IS USM-- EF-S 17-85mm f/4-5.6 IS USM Refurbished-- EF-S 18-135mm f/3.5-5.6 IS Refurbished-- EF-S 18-135mm f/3.5-5.6 IS STM-- EF-S 18-135mm f/3.5-5.6 IS STM Refurbished-- EOS 60D EF-S 18-135mm IS Lens Kit-- EOS 60D EF-S 18-135mm IS Lens Kit Refurbished-- EOS 7D EF-S 18-135mm IS Lens Kit-- EOS Rebel T4i 18-135mm IS STM Lens Kit Refurbished-- EOS Rebel T4i EF-S 18-135mm IS STM Lens Kit-- EOS Rebel T5i EF-S 18-135mm IS STM Lens Kit-- EOS T5i 18-135mm IS STM Lens Kit Refurbished