come on, what do you expect if you are dealing with a hard lens hood and a zoom of these ranges you mentioned. Of course, the hood has to be made to accomodiate the widest focal length, meaning, they wll not be that useful in the long end of the zoom. Matter of physics and geometry, not design or quality as you had alluded to.Maltese said:Original canon lens hood is overpriced. Some don't even serve the right purposes. For eg the 35 -350, 100-400 and 28-300 are all crap. They are only good on some range. Get those rubbised type that allows you to pull out and in. Think hoya or some other brands have them. Cheaper more practical also. With a DSLR body, you can immediately know at which length it works.
i hope that doesn't encompass the super teles. a 300 prime with a 300mm long lens hood, or 600mm with a 60 cm lens hood sound really funnydenniskee said:read from a web site for norm to tele lens, hood's length should typically be near to the focal length of the lens.