Quick answer: No. There is no extra space created. There are no lenses. No light loss.
Happy shooting, Illinois Bill Debra Wilborn wrote: > > Quick question: > > If I use a thread-mount to K-mount adapter, will I > lose an f-stop like I would if I used a teleconverter? > > Thanks, > Deb > Yahoo! Movies - coverage of the 74th Academy Awards� > http://movies.yahoo.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 . - 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 .

