It almost sounds like a part just under the mount of your regular body -- that plastic ring that couples to your aperture ring. Might it be the same? If so, my SF-10 "parts" body has it. Collin At 11:53 AM 6/23/01 -0400, you wrote: >Hi, > >I purchased an Auto Bellows A with a defect and I need some help. > >The unit is missing the ring that attaches to the camera. >This is the part with the K-mount bayonet on it. > >I thought Pentax USA could be a source, but they don't have all the parts. >I can get the bayonet itself, but there is a black ~48mm ring that goes >behind it... > >The whole part looks very much like a 49mm reverse ring adapter, but the lens >end of the adapter is smooth, not threaded and 2-4mm. There is a v-groove >around the circumference of the ring to help fix the camera to the bellows. > >So if anybody should have a strange, reverse ring adapter like thing that >doesn't have any threading to screw into a 49mm lens, or any other ideas, >please let me know. > >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 . * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * <>< <>< <>< <>< <>< <>< <>< <>< <>< <>< <>< <>< - 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 .