Hi C.H. and all,
>> C.H.Ling wrote:
>>> I also found the extra reach of the 50/85-250mm is rather useful
>>> otherwise the 65-200 can replace them with half stop faster
>>
>> Tamron SP 60-300/3.8-5.4.
>
>I had consider that one, still a little heavy for me and I'm not sure of
its
>performance. I'm interested to see how the SP70-210/3.5 perform, it is said
>to be the sharpest Tamron in its range (may be except the SP80-200/2.8)
The SP70-210/3.5
is, indeed, a _very_ good performer. Some say it's simply the best
70-210 out there by ANY manufacturer ever -- period.
It was my only "long telephoto" lens for many years and gave me a lot of
satisfaction -- unlike the Zuiko 35/2. Incredibly smooth zoom action with
ZERO creep, also.
However, it's very heavy and cumbersome -- not any lighter or smaller than
the 60-300/3.8-5.4, which is also said not be as good as the 3.5 (but that
doesn't mean it's bad!!!). Another drawback of the 60-300 it's its
relatively slow aperture (f/5.4) where it's most needed, at the long end.
I would recommend, however, a forgotten Tamron: the 75-250/3.8-4.5 (model
104A). Again, another big boy, but feels much lighter and easier to handle
than the other two. And, it's of a rare kind of "semi-variable aperture" --
it will keep at f/3.8 thru most of the range, up to 180-200mm, losing light
towards the long end only. So, within the range of the 70-210/3.5 it has
almost the same speed.
Cheers,
--
Carlos J. Santisteban Salinas
IES Turaniana (Roquetas de Mar, Almeria)
<http://cjss.sytes.net/>
--
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