> AFAIK, the close-up lens was an accessory item. For the filtersize: Gerjan > van Oosten explains it in his ultimate AP screwmount guide. The size on the > lens is 58mm but you need a 67mm step-up ring to prevent vignetting when > using filters. Thats why the original hood is a two piece item, a step-up > ring and a 67 mm hood.
Thanks to all who provided the explanation. Sure enough, mine is a two part hood as described, and once I really went looking I found it mentioned in the the little orange K lenses book. Seems a strange system, but I suppose it was cheaper than trying to accomodate a "step" in the lens barrel just for the filters. I wonder what sort of hood could be used for the long end of the range. The A85 1.4 is an obvious candidate, but some of the 67 and 645 lenses use a 67mm size too, so maybe one of those could be used. Paul Ewins Melbourne, Australia - 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 .

