I have the "middle" version Jan describes. Picked it up for $125 (on eBay!). I'd
like to add that the lens is very good for portrait work as well. In fact, I'm
so happy with it I sold my Zuiko 100/2.8.
Scott
>>> <sje@xxxxxxxxxxxxxxxxxx> 01/27/00 04:28pm >>>
This was originally posted on 3 June 1999 (by Jan Decher)
Simon E.
>There are really three Tamron Macros to chose from:
>
>1. old 1:2 / 2.5/90 mm with 49 mm thread, metal, with nicely engraved numbers
>disadvantage: heavy, no exterior bayonet for lens hood
>
>2. more recent 1:2 / 2.5/90mm w/ 55mm filter thread, plastic, with
>silk-screened numbers and bayonet lens hood.
>
>3. new 1:1/2.8/90mm Macro with 55 mm thread and large rigid bayonet lens
>hood (very nice!). This lens seems all plastic, fairly light weight with
>silkscreened numbers.
>
>All three have an excellent optical reputation. I have been using the 3rd
>version for 2 years now and like it quite a bit.
>The focussing helicoid is very short for the distances between 1 m and
>infinity which makes for very touchy focussing. Probably a function of the
>enormous helicoid reach to 1:1. Very bright viewfinder snaps into focus
>with the new (2-series) screen in my OM4. Going from infinity to life size
>of a butterfly or beetle in the field is a wonderful convenience.
>Jan
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