Originally Posted by GeneV
Don't you think that has happened already to some extent? I was surprised when I joined this forum that an entire (sticky) thread was dedicated listing serial numbers for good and bad copies of a DA* zoom. I just don't realize there being so much buzz about good and bad copies of lenses 20 years ago, but maybe we just didn't have the communication.
The DA* zoom was a known problem that seems to have been resolved. I cannot recall known problems with any FA limiteds especailly since the report of them being assembled in Vietnam.