Re the 1.7AF adapter: Do you roughly focus the lens before using the AF? It can not do it by itself in all situations. You have to give it a starting point. Get it into the right range. It will finish the job.
Regards, Bob S. - 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 .