SIGMA CR-41 Cable Release This is a cable release for the SIGMA fp and fp L. It supports half-press and long-press locking. It also has a microphone jack. I purchased this to photograph the starry sky, but I haven't had many opportunities and don't expect to in the future, so I am listing it for sale. It is in new, unopened condition. Please understand that this item has been purchased and handled by someone else, and is therefore used, before proceeding with the transaction.