Designed to prevent stray light from entering the lens in order to keep unwanted glare from affecting your photographs.
Compatible with: EF 85 f/1.8 USM, 100 f/2.0 USM, 135 f/2.8SF, 100-300 f/4.5-5.6 USM
-- EF 100-300mm f/4.5-5.6 USM
-- EF 100mm f/2 USM
-- EF 135mm f/2.8 with Softfocus
-- EF 85mm f/1.8 USM
-- EF 85mm f/1.8 USM Refurbished