I'm fairly new at working on lenses etc but recently undertook renovating one of these old beasts and it was very interesting I just wondered out of interest if anyone knows where a motor and circuit board might be found (I dont want to spend much as it only stands me at £19) details of renovation here:
Lenses and photo collectible items it would be a great project to try and bring the autofocus back to life sometime, the photo here is our old dog oblivious to the fact that the lens is more than 4 x her age....