John Fieber wrote: >There is a black ring just inside the lens mount that >rotates with the aperture ring on the camera. I'm guessing >this is the rotating part of a variable resistor on the >circumference.
This is certainly true of a parts SF1 that I have disassembled right now. the resistor you talk of is etched onto a circuit board at the top of the lens mount behind the ring. It's a bit like an etched version of the old rheostats we used to use in high school Physics, and I would bet is a candidate for wear, as wells dirt and corrosion (it's not really sealed).... Hmmm, you didn't have the camera somewhere damp or dirty, or get any slightly salt water (like sea water) on it at some point did you? Regards, /\/\ick... +----------------------------+ | | __/) Mick Maguire | ((((| Email: [EMAIL PROTECTED] | (\\\\_/) ICQ: 48609010 | \ / | \ /---------------------------+ - 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 .