On Mon, 23 Nov 1998 21:34:18 -0500, "don ferrario" wrote:
>Neuman-Ruether wrote in message
><36608d30.10945075@newsstand.cit.cornell.edu>...

>>You can get a 46->52mm step-up ring (this should probably fit inside
>>the 52mm lens threads but not vignette the lens...) and glue it on.

>Since the threads are stripped, I assume the original size
>52mm filter will go into the threads, but won't stay put.
>A 46mm wouldn't be big enough to touch.
>
>How about taking any 52mm filter, punch out the glass,
>and use just the ring. Glue that into the lens thread.
>You'd be left with a 52mm thread on the outside, which
>can be used for a filter or lens cap.

Hmmm - I was thinking the 46mm end backwards (allowing
for exterior diameter with interior thread...)!
You are right - and yours is also a cheaper solution! ;-)