I won't say what lenses I've done that too, so they'll work with my Sigma SD14
2 are rare, although only one is a Pentax and the other is a Vivitar Series 1.
However they still work flawlessly in my Pentax, and for that mater even better than originally since I can use AV with them.
If the new owner of that LTD wants to part with it I'll take it off his hands, although he might have to wait a month or 2 until my bank account recovers from my latest LBA and BBA round.
Over $2000 so far this year, and it's only February