Had this for months now, use everyday on my Canon 50mm 1.4 and it looks as good as new. The mount looks as if it will be flimsy and snap off at first but this has proven to be unfounded. It does exactly the same job as the Canon version, can be reversed to sit over the lens and has taken a knock or two. Excellent value.
This fits firmly on my Canon 50mm lens. It can be reversed for storage. There is enough room for me to remove or fit a lens cap or screw-on filter without removing the hood (I have fairly small fingers).
As far as I know, the main difference between this and the more expensive Canon product is this one has no flocking. It is matte plastic but I expect that in some situations it won't be as effective as the Canon version.
Far better fit than cheap imitation one i bought first also better made than the other one i purchased this hood will turn round and fit over lens. the cheap one was a beast to to put on had to use lots of force cambrogb