Excellent product, comply with the description, fixed and quickly removed through a system to "bayonets", can be put upside down on the lens when not in use, so it is always available and at hand, more in this position it protects the lens of a possible shock. Contrary to what is said above the lens cap can be put or removed easily, and that, whatever the position of the sun visor. Similarly the permanent presence of a filter or even two stacked gene does in no manipulation of this accessory.
