Looking for lens filters or a step-up ring adapter that will fit the 21mm threads on a Konica Q-Mini digital camera. Nikon made filters this size many years ago. The smallest I've seen listed today is 25.5mm. The folks at Konica U.S.A. didn't know where to look. Any pointers would be appreciated.

-- Dale Mann (cyponline@juno.com), September 22, 1998