Tamron "Legacy" SP 90mm f/2.5 Macro Is A Winner!

Started Jul 12, 2012 | Discussions thread
declan79 Regular Member • Posts: 366
Re: Tamron "Legacy" SP 90mm f/2.5 Macro Is A Winner!

Rich O wrote:

01F is the 2x tele-converter - http://www.adaptall-2.org/lenses/01F.html

Some of them have the knurled rubber like this one:

The one I have has the other type of rubber ring

18F has no glass. Its just a tube that puts the lens further out to allow for 1:1 macro.

With the 18F you won't loose any IQ because your not putting any additional glass in between the lens and the sensor. Only downside is you loose your ability to focus to infinity. So you can only really use the 18F for macro work.

I've used the Tamron SP 90mm with the 01F and don't see any noticeable degradation of IQ.

The Tamron SP 90mm is very sharp and works great for me and is becoming my favorite lens.

So, you said that the 1st and 2nd photo is the same 01f but different versions /model... Both has a same functionality?

Yes, I also have the 18f (1:1)with 90/2.5 for macro and the one with a glass inside... Which caused me a little bit confused is the difference between the 01f and the glass one

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