As such, a good portion for the price, but in my copy of I needed adapter ring (77 mm) is so warped that you will get it only with much fumbling and fear to break it on the lens! Perhaps because the packaging to blame, because the adapter ring package was very strict indoors in the package, so I can imagine that the ring has cleared thereby. The battery cover is not just makes me a very strong impression. Pay me now have to look for an alternative ...