There are automatic extension tubes that allow use of the lens in aperture priority mode. What, pray tell, is "on-the-lens focusing"? I can focus all my lenses when using extension tubes. Is this a description of what happens with auto focus lenses?
From: "Timothy Sherburne" <[EMAIL PROTECTED]> > I have messed around with this a little, > and it is fun, but not as practical as > other solutions, as you lose auto aperture > control and on-the-lens focusing. -- Shel Belinkoff mailto:[EMAIL PROTECTED] - 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 .
