turning my 50mm macro into a 100mm macro

Adam Maas adam at mawz.ca
Sat Oct 3 08:32:54 EDT 2009


On Fri, Oct 2, 2009 at 10:56 AM, mike wilson <m.9.wilson at ntlworld.com> wrote:
>
> ---- Adam Maas <adam at mawz.ca> wrote:
>> Only problem with the Tamron SP 90 is that you need a 1:1 adapter or
>> 2x SP TC to get 1:1. Otherwise it's a superb lens as both a macro and
>> a short tele. I'm rather fond of mine.
>>
>> -Adam
>
> Only the older, adaptall, f2.5.  The later, f2.8, autofocus version goes to 1:1.
>

To be exact, the f2.5 in Adaptall-2 or AF versions goes to 1:2, the
f2.8 in Adaptall-2 and AF versions goes to 1:1 (yes, both exist in AD2
and AF forms, but the f2.5 AF is rare and the f2.8 in AD2 is extremely
rare). We were talking about the f2.5 version here.
-- 
M. Adam Maas
http://www.mawz.ca
Explorations of the City Around Us.




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