In a message dated 3/12/2005 7:56:11 PM Central Standard Time, dan@xxxxxxxxx
writes:
The Tamron 300mm f2.8 uses a 43mm filter holder at the
back end. The polarizer has to be very thin (thinner than most 'thin' PL
filters in fact). The front end is I believe either 115mm or 100mm filter.
The front filter is 112MM and they turn up from time to time on ebay, which
is where I got my B&W. The rear filter would not be very easy to adjust.
Bill Barber
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