> -----Original Message----- > From: Glen O'Neal [mailto:[EMAIL PROTECTED]] > > > I have the 645n and two zoom lenses. I have the 80-160mm > and the 45-85mm > zooms. On the front of the barrel of the 80-160 there is an > opening that > gives access to a "wheel" or "dial" (whatever it may be > called) that allows > the threaded filter ring on the very front of the lens to > be rotated even > while the tulip-shaped hood. The 45-85mm zoom lens does not > have this > feature. I don't understand why one lens has it and the > other does not, nor > the choice for which one does. It seems to me that the wide > angle lens would > probably be used more for landscape pictures where be able > to rotate a > polarizing filter would be a great advantage without having > to remove the > hood to do it. Does anyone know anything about this feature > and why it was > done this way?
I haven't played much with the longer zoom, but the hood on the 45-85 is pretty wide - you can just reach your fingers in and turn the filter, I think. Maybe you can test this and see if the 80-160 hood is narrower and harder to get to from the front. tv

