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 - This message is from the Pentax-Discuss Mail List. To unsubscribe, go to http://www.pdml.net and follow the directions. Don't forget to visit the Pentax Users' Gallery at http://pug.komkon.org .

