And THAT is why you buy good lenses...

And THAT is why you buy good lenses..., a photo by FlickPics88 on Flickr.

Metal filter, good quality tail cap, screw in metal lens cover. ...So that WHEN your lens bounces end over end across the road IT is no worse for the wear!

I can't say the same for the clear filter, but that's only a $20 problem.