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04-13-2011, 07:51 AM   #1
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Tamron 90 vs Sigma 105mm Macro

I have an option to get either Tamron 90 Di or Sigma 105mm EX DG Macro locally.

I know there are other nice macro lenses too but these are the only two available locally for sale by someone (we do not get enough Pentax lenses in India). So please advice between two only.

How does both these lenses compares? I have 77mm so 90mm is a bit closer in focal length and hence I am inclining towards 105mm. However heard great things about Tamron compared to Sigma 105mm

What's your opinion? Which one I should get ? will be mainly used portrait and macro.

Yusuf

04-13-2011, 08:46 AM   #2
hcc
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First there are several versions of the Tamron 90 mm and you may wish to check that you could purchase the latest version.

www.Photozone.de posted some interesting reviews of both lenses, with little between them.

When I bought my Tammy 90mm, I considered both the Sigma 105mm, Pentax 100mm WR and Tamron 90mm. I decided against the Sigma because it is relatively heavier than the other two lenses, and against the Pentax because of its higher price. However all three lenses are very well considered by most Pentaxians and there is little between these. You will not be disappointed by any of these three, in your case by the Tammy or the Sigma.

If you feel that the Sigma is the best choice for you., go for it.

Hope that the comment will help.
04-13-2011, 09:33 AM   #3
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QuoteOriginally posted by hcc Quote
First there are several versions of the Tamron 90 mm and you may wish to check that you could purchase the latest version.
Thanks, yes, both are latest version (Di & EX DG)

What about contrast and color rendition between both?

Last edited by yusuf; 04-13-2011 at 10:43 AM.
04-13-2011, 08:53 PM   #4
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Flip a coin - they're both excellent lenses.

04-13-2011, 09:26 PM   #5
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go longer if you are concerned about focal length difference between your 77mm. you'll need every mm needed to give you an ample amount of distance.
04-13-2011, 09:30 PM   #6
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Whichever's cheaper
04-13-2011, 11:25 PM - 1 Like   #7
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QuoteOriginally posted by yeatzee Quote
Whichever's cheaper
What he said
04-14-2011, 03:43 AM   #8
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QuoteOriginally posted by elpolodiablo Quote
What he said
.... and another vote for this comment. Both are great lenses, you can't go wrong.

04-14-2011, 04:14 AM   #9
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Another vote for the cheaper lens. I have the Tamron 90, but a slightly older version w/o the "special digital coatings". However I have seen no difference between the output of my lens and a newer model I tried out. My friend has the Sigma 105, and I've shot with it too, as everyone has already said, a mouse could starve on the difference between these two fine lenses. In addition, I would say that there is very little difference between 90mm and 105mm. 15mm makes little difference at that focal length. But as far as sharpness, contrast color rendition and even bokeh, there is little to recommend one over the other. If you have the chance, take each out for a bit of a trial and make a decision that way.

NaCl(it's a crapshoot, but a good crapshoot, both are very good lenses)H2O

Last edited by NaClH2O; 04-14-2011 at 04:15 AM. Reason: spelling
04-14-2011, 06:47 AM   #10
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Both are excellent performers by all accounts. I will probably buy the Sigma some time this year because I like the additional reach (I already have a 50mm macro) and it takes the same filters as my 645 gear and more of my other lenses (like the K135/2.5) than take the 55mm for the Tamron.

Last edited by GeneV; 04-14-2011 at 06:53 AM.
04-14-2011, 07:13 AM   #11
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I had the same struggle not so long ago and after extensive research, reading every review and comparison I could find, I went with the Tamron 90mm SP Di. I am VERY pleased. This is possibly one of the sharpest lenses I have ever used.

Just my opinion.
04-14-2011, 08:23 AM   #12
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QuoteOriginally posted by yeatzee Quote
Whichever's cheaper
Same price
04-14-2011, 08:38 AM   #13
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QuoteOriginally posted by NaClH2O Quote
In addition, I would say that there is very little difference between 90mm and 105mm. 15mm makes little difference at that focal length.

NaCl(it's a crapshoot, but a good crapshoot, both are very good lenses)H2O
I think what he meant was focal length difference to his FA77. the Tamron would only give him a 13mm window while the Sigma gives him almost a 30mm additional reach.
04-14-2011, 08:59 AM   #14
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QuoteOriginally posted by Pentaxor Quote
I think what he meant was focal length difference to his FA77. the Tamron would only give him a 13mm window while the Sigma gives him almost a 30mm additional reach.
Thanks Pentaxor, yes, that's what I meant that 90mm is too close to 77mm compared to 105mm and hence I am considering 105mm unless there are any other reason I should consider otherwise. Price is same for both the lenses. I would have gone with 90mm if I had no 77mm as most forum praised 90mm more compared to 105mm.
04-14-2011, 09:01 AM   #15
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QuoteOriginally posted by yeatzee Quote
Whichever's cheaper
Ditto. My Tamron is outstanding and quite portable.
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