Lens Cap for Sigma Sigma 500mm f/4.5 APO (Vintage) lens.

V2 Lens Cap for Sigma Sigma 500mm f/4.5 APO (Vintage) Lens. 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 table top or smooth floor. Screws and spring wires 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)