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06-09-2011, 09:25 PM   #1
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Tamron AF 90mm f/2.8 Di SP A/M 1:1 Macro vs Pentax 50-135

New to forum and appreciate your input. Have a K200D camera with lens 18-55 II smc da. I almost purchased the Pentax 50-135 zoom but would like macro feature, so I'm looking at the Tamron 90mm macro lens. Is this a good choice? Still somewhat torn on giving up the zoom for macro, but need to make choice on one lens for now. I have the Pentax K200D, I assume the Tamron will be compatible with this model.
Thanks again.

06-09-2011, 09:29 PM   #2
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There's another thread unning right now about the Tamron 90mm... By all accounts it's very highly thought of...
06-09-2011, 09:29 PM   #3
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If macro is important to you, that's a fine lens. On the menu bar up top, click on Lenses then Third-Party lens reviews; under Tamron primes you will hear (and see) what people think! And it will work fine on a K200d; newer cameras may focus a bit faster but that's the only difference.
06-09-2011, 09:32 PM   #4
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https://www.pentaxforums.com/forums/pentax-slr-lens-discussion/146982-tamron-...resistant.html

^ Is the other thread I was talking about...


QuoteOriginally posted by jimr-pdx Quote
If macro is important to you, that's a fine lens. On the menu bar up top, click on Lenses then Third-Party lens reviews; under Tamron primes you will hear (and see) what people think! And it will work fine on a K200d; newer cameras may focus a bit faster but that's the only difference.
Agreed... I want one...

06-09-2011, 09:36 PM   #5
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I checked into the other thread, very helpful info, thanks!
06-09-2011, 09:38 PM   #6
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QuoteOriginally posted by jimr-pdx Quote
If macro is important to you, that's a fine lens. On the menu bar up top, click on Lenses then Third-Party lens reviews; under Tamron primes you will hear (and see) what people think! And it will work fine on a K200d; newer cameras may focus a bit faster but that's the only difference.
Helpful information, thanks.
06-09-2011, 09:46 PM   #7
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They're both great lenses. I let my 50-135 go because I wanted a zoom in that general range I could use with my film gear - and I have sorely regretted that decision ever since. On the other hand, the Tammy 90/2.8 is a fantastic macro AND portrait lens. It's light, very sharp and not prone to flare.

I use the 90mm quite often though 90mm can be a bit limiting as a one-size-fits-all. The 50-135 was rarely off my camera, though it sometimes could a little heavy/bulky to tote around.

If macro is really your thing, then the 90 is a solid choice. But in my opinion if you are more "rounded" in your photography then the 50-135 is going to be more useful on a regular basis. $0.02
06-09-2011, 11:56 PM   #8
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First welcome to the Forum.

Second it is important to emphasise again that we, the Pentax community, are very lucky to have some many outstanding ~100mm lenses available. The Tamron 90mm, the Pentax 100mm, the Sigma 105mm...

Each one is a great lens, and has its strength. Your budget might impact on your decision. The Tammy is the best value for money...

06-10-2011, 04:05 AM   #9
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Welcome. My office colleague has both. I believe he uses 50-135 most of the time, except for macro. Even for general portraiture the 50-135 is better, handles bokeh abberation extremely well while the Tamron does not.
06-10-2011, 04:14 AM   #10
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QuoteOriginally posted by Venturi Quote
They're both great lenses. I let my 50-135 go because I wanted a zoom in that general range I could use with my film gear - and I have sorely regretted that decision ever since. On the other hand, the Tammy 90/2.8 is a fantastic macro AND portrait lens. It's light, very sharp and not prone to flare.

I use the 90mm quite often though 90mm can be a bit limiting as a one-size-fits-all. The 50-135 was rarely off my camera, though it sometimes could a little heavy/bulky to tote around.

If macro is really your thing, then the 90 is a solid choice. But in my opinion if you are more "rounded" in your photography then the 50-135 is going to be more useful on a regular basis. $0.02
Great insight and yes I'm more "rounded" in my photography, and that's why I worried I might not be satisfied having a 90mm range vs. the zoom range of the 50-135. I enjoy macro but it's not my main "focus". What's the feeling of extension tube(s) being used on the 50-135 zoom for macro since I'm trying to narrow it to one lens for the time being?
Thanks.
06-10-2011, 05:07 AM   #11
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I tried the 50-135 with Kenko PZ-AF exension tube. AF and AE work correctly, handling is not a problem. IQ was still great to my eyes. It focused quite close but still not a 1:1 macro... I do not remember the exact mag ratio obtained.
06-10-2011, 05:17 AM   #12
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QuoteOriginally posted by KAR200D Quote
New to forum and appreciate your input. Have a K200D camera with lens 18-55 II smc da. I almost purchased the Pentax 50-135 zoom but would like macro feature, so I'm looking at the Tamron 90mm macro lens. Is this a good choice? Still somewhat torn on giving up the zoom for macro, but need to make choice on one lens for now. I have the Pentax K200D, I assume the Tamron will be compatible with this model.
Thanks again.
Tamron 90 is well regarded macro so you will be happy.
06-10-2011, 05:57 AM   #13
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QuoteOriginally posted by yusuf Quote
Tamron 90 is well regarded macro so you will be happy.
well show me a macro lens that is regarded less than Tamron 90mm... I mean it is almost impossible to choose a bad macro lens.
06-10-2011, 07:46 AM   #14
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QuoteOriginally posted by elho_cid Quote
I tried the 50-135 with Kenko PZ-AF exension tube. AF and AE work correctly, handling is not a problem. IQ was still great to my eyes. It focused quite close but still not a 1:1 macro... I do not remember the exact mag ratio obtained.
Nice idea, but I've been searching for Kenko extension tube for pentax and no luck finding any so far?
06-10-2011, 07:59 AM   #15
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QuoteOriginally posted by elho_cid Quote
Welcome. My office colleague has both. I believe he uses 50-135 most of the time, except for macro. Even for general portraiture the 50-135 is better, handles bokeh abberation extremely well while the Tamron does not.
Huh? Don't tell that to my Tammy.
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