Sounds like a stepping ring from a 49mm size filter to a series 7 sized
filter.  Nothing really special there, but it should let you use those
super-wide fisheye adaptors that have a series 7 sized mount.

Todd

At 01:58 AM 1/27/01 -0700, you wrote:
>Can anyone help me identify this item, I came across.
>
>It looks like a chrome step-up ring from 49mm to 53mm or 54mm.  On
>the side, the following is written in silk screen:
>
>ASAHI OPT Co, Japan
>
>
>
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