The KK-LK1 Capture Lens for Canon EF/EFs Mount Lenses from Micnova is a two-sided locking mount provides a fast and effective way for carrying and switching lenses in the field

Quickly attach your working lens to the Locking mount, remove your alternate lens and attach it to your camera

Sturdy lugs and 1"-wide adjustable length shoulder strap secure even heavy lenses and keep them conveniently at your side.

With a two-sided lens locking mount and sturdy shoulder strap