> ------------------------------
>
> I bought a used but mint 300mm f4 AF/ED
> at a local camera show here in North Jersey.
> . . . . I noted that the new lens' filter drawer
> accepted a 39mm screw-in filter. My filter
> drawer is not threaded but has a thin metal
> "trap door" assembly.
The 300mm/f4 comes from Nikon with two filter holders
one for screw in filters (with a 37C) in the lens and the
gel holder that you have in a box.
-Don
