Sigma LCF5801M Magnetic Metal Lens Cap

Dedicated to Sigma's I Series lenses, this LCF5801M Magnetic Metal Lens Cap protects the front of lenses when not in use. This magnetic cap is only compatible with select I Series lenses featuring a 58mm filter diameter and is intended for use when the lens hood is not attached. The metal cap has a felt backing to prevent scratching and a raised front edge enables a firm grip for easy removal.