Yep, that's the case.  They could give you smaller filter sizes but, if they
did, you'd end up with a 70-210mm f/3.5-10.3, kinda like some of the
point-and-shoot cameras have, or you'd have drop in filters at the rear of
the lens.

Len
---

-----Original Message-----
From: Brendan [mailto:[EMAIL PROTECTED]]
Sent: Thursday, April 11, 2002 9:02 AM
To: [EMAIL PROTECTED]
Subject: Re: Zooms--Why are filters so large? 


Due to the fact that it is a zoom, you have more
groups and elements, there needing more light to enter
to get the same F stop, needing bigger front elements
needing bigger filters. Price you pay for getting
zooms
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