I don't have auto tubes either, don't usually miss them. A suggestion: Off-Brand auto 2x and 3x converters can be had for next to nothing. Take the glass out and you have very cheap auto extension tubes.
Don > -----Original Message----- > From: Mark Roberts [mailto:[EMAIL PROTECTED] > Sent: Sunday, May 22, 2005 11:39 AM > To: [email protected] > Subject: Re: Extension tubes on the *istD > > > "P. J. Alling" <[EMAIL PROTECTED]> wrote: > > >I've never seen genuine Pentax A lens extension tubes, I don't think > >they exist. > > They do exist but they're much less common than the standard ones. I > have a set of the non-auto Pentax tubes and have never felt the need for > auto-diaphragm. > > -- > Mark Roberts > Photography and writing > www.robertstech.com >

