I've got the later one, without the filters, but with the huge hood.
Be aware that it's very hard to mount an 82mm filter inside the hood. The lens
itself doesn't have any filter threads, so the filter must thread into the hood
down inside. I've had a devil of a time getting my filter to screw in because
there isn't enough clearance to get your fingers around the filter inside the
hood and turn it. Does anyone have hints?
As far as polarizing effects, it's the same with all ultra-wide angle lenses.
The band of maxiumm polarization in the sky isn't anywhere near the ~100 degree
HFOV of the lens, so you get bands of darker sky 90 degrees from the sun.
Skip
>
>Subject: [OM] Tamron SP 17mm f3.5
> From: "Roger D. Key" <rdk@xxxxxxxxxx>
> Date: Wed, 7 Apr 2004 12:39:16 +0200
> To: olympus@xxxxxxxxxx
>
>
>
>I have just won one of these on UK eBay for 75GBP (138USD). It turned out
>to be the later model (151B9) without inbuilt filters, but came with the
>expensive hood, and an 82mm polarising filter. In great condition too. The
>eBay ad was without a photo, rather poorly described in the title, and
>seller with a feedback of 1!
>
>I already have the earlier model (51B); has anyone done a comparison of the
>two versions? I do not expect to keep both, but I will try a somewhat
>unscientific comparison of my own. The polarising filter sounds useful, but
>I seem to remember that someone said that you get funny effects with
>super-wideangle lenses.
>
>Any comments welcome.
>
>Roger Key
>
>
>
>
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