Canon 77mm lens cap use for EF 100-400mm f/4.5-5.6L IS USM -- EF 16-35 2.8L USM -- EF 17-40 f/4L USM -- EF 20-35 3.5-4.5 USM -- EF 24 1.4 L USM -- EF 24-105mm f/4L IS USM -- EF 24-70mm f/2.8L USM -- EF 24mm f/1.4L II USM -- EF 28-300mm f/3.5-5.6L