I recently bought a Leica-M 90mm Summicron pre-asph lens which appears to have seen very little use - if any. Compared to my other two lenses (50mm and 28mm Summicrons which are recent productions) the focusing ring on 90mm is too stiff.
Is this normal? Should I expect it to loosen up in time or will it require service to be re-lubricated?
Is this normal? Should I expect it to loosen up in time or will it require service to be re-lubricated?