This was the lens I had too, and I didn't find the
performance deficient.
BUT, the plastic window over the distance scale did
have a crack in it - unsightly but not really a
problem.
Chip Stratton
--- John Duggan <john.duggan1@xxxxxxxxxxxxxx> wrote:
> I strongly disagree!
> In Practical
> Photography Aug1993 the Tamron
> 90mm f2.5 came out on MTF tests slightly behind the
> Canon macro ef 100 and
> Nikon 105mm micro nikkor - BUT ahead of Minolta,
> Pentax, Sigma, Vivitar
> series1 105 f2.5 and Elicar. Testers notes... Quite
> suprisingly,the edge
> definition produced by this lens is marginally
> better than the centre. It
> can be used at all apertures confidently........What
> a beauty. Quality
> focusing, construction and results at a very decent
> price.
> I bought my 90mm macro f2.5 as a result of this test
> review and I must say
> that my experience with this lens has confirmed the
> quality. The only
> reservation I had about this lens was the
> polycarbonate collar above the
> aperture ring. This has a transparent window through
> which you read the
> distance scale. However this has stood up to 8yrs
> wear and tear with no
> problems. My suggestion - If you get a chance try
> this lens out for
> yourself, you might be pleasantly supprised!
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