I use the Vivitars with no problems. My set has the electrical contacts and work fine. However, they are too narrow to couple with the "L" series teleconverters, so avoid them if you plan to use them with the TC's.
- MCC At 10:48 AM 11/13/01 -0800, you wrote: >Hello all... > >Does anyone have experience with Vivitar's K-mount auto extension tube set? >What's the quality like? > >I'd prefer Pentax, but the price of Vivitar's set is about 1/3 that of a new >Pentax set. - - - - - - - - - - Mark Cassino Kalamazoo, MI [EMAIL PROTECTED] - - - - - - - - - - Photos: http://www.markcassino.com - - - - - - - - - - - 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 .