Vics
Veteran
Some of mine are a bit stiff, too. It's best if one can replace the aperture ring with the factory part, I think. Still, I like having access to all the lenses for all the bodies. (can't use non ai on FM2a.)I've got one lens that has been AI'd, but I don't know as it was done by an expert, as it's a bit overly clicky when setting the aperture.
PF