Zemlin Photo Lens Cap for Canon EF 600mm f/4L IS USM & RF 600mm f/4L IS USM (Clear Ring)

Version 2 Zemlin Photo lens caps provide superior lens protection and are faster and more convenient than the sleeves and draw-string bags provided by manufacturers. 3D printed fiberglass-reinforced ABS plastic. Urethane Skid Pad grips smooth surfaces when the lens is placed face down on a tabletop or smooth floor. Screws and spring wire are stainless steel. Lens cap can be installed or removed with the lens hood in place. (Photos may be a similar sized cap, but not be the exact lens cap for your lens)