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08-30-2016, 07:57 PM   #16
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I think you said it yourself,Vtownbill. "There is a $1000 difference between the two and was wondering if the Tamron will do just fine."

The Pentax is obviously the one you want if you were a professional. The Tamron will do just fine:




08-30-2016, 08:31 PM   #17
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QuoteOriginally posted by btnapa Quote
Great example Rupert.
Thanks...but imagine ISO 100 in good light and some speed...then you can imagine the quality of the Tammy 70-200!

Regards!
08-31-2016, 01:14 AM   #18
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I've got the Tamron 70-200 since three years , it is very sharp . Just a little noisy ...
08-31-2016, 01:49 AM   #19
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I think you have heard from the others here, but the differences are to me that the Pentax is a little sharper wide open, has weather sealing and silent (and very fast) auto focus. On the other hand, the Tamron is smaller and lighter with a considerably cheaper price tag.

My wife shoots weddings and didn't want the noise of screw driven lenses during the ceremony and so we went with the Pentax. We already owned the DA *200 and the DFA is sharper than that and way faster at auto focusing, as well.

09-02-2016, 04:32 PM   #20
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I want to thank everyone for their input and advice. It looks like the Tamron is the way to go, being there is a $1000 (more than twice the cost) difference between the two lenses, unless Pentax offers a killer deal within the next week or so, then I would go with the Pentax as I am happy with the Pentax lenses that I currently have. Unfortunately they are APC lenses. I did notice, stepping up to a full frame, it's going to be more of an investment. I'm still learning my K-1 and I am looking forward to using it more. Thanks again everyone.
09-05-2016, 02:55 AM   #21
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Tamron is the way to go. You can outgrow your Tammy, but price/quality wise this will probably take some time / years.
I like my Pentax 70-200 on K1, but this combo is not for a first time 2.8/70-200 user coming from 28-105.
09-05-2016, 05:55 AM   #22
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This question is a bit off-topic since the OP is clearly looking for a modern AF lens, but I'm wondering how the old Vivitar Series I 70-210 lenses match up with the Pentax, Tamron, or Sigmas mentioned in this thread. I have a bunch of lenses that cover that 70-210 range (DAL 55-300 and a few 135mm, 150mm, and 200m Takumar and M primes), and my Vivitar (version 2 Tokina) is really a stellar lens. I don't have any of the top end lenses, and obviously the Vivitar is MF and lacks modern coatings, but is it in the ballpark of rendering quality pics?
09-05-2016, 08:40 AM - 1 Like   #23
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QuoteOriginally posted by vtownbill Quote
Hi, I am looking to get a 70-200 lens for my new K-1. I see basically two choices, the Pentax HD PENTAX D FA* 70-200mm f/2.8 ED DC AW Lens or the Tamron 70-200mm f/2.8 Di LD (IF) Macro AF Lens for Pentax AF. There is a $1000 difference between the two and was wondering if the Tamron will do just fine. A $1000 is a quite a bit more and was wondering if it is worth the extra money? I am not a pro, but wanted to get something with a good zoom range. I currently have a 28-105 lens, but sometimes more zoom would be nice. I mainly shoot outdoor landscapes and nature. Thank you in advance for any info or advice you can provide. Unfortunately the zooms for my K-S2 will be cropped down when using them and to me that kind of defeats the purpose of more megapixels.
When I purchased my K-1 I went through this same dilemma and chose the Tamron because of the $1K price difference, and also because most reviews stated the Tamron performed very well stopped down a bit. All of my use for the K-1 - Tamron combo has been for landscapes, on a tripod, MUP, ISO 100, remote shutter release with the aperture at f8 - f11. The results have been excellent, including some fairly large prints, and I'm very happy with the lens (and also the K-1 or course - this is a superb landscape camera).

09-05-2016, 11:58 PM   #24
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Well, I'd recommend a Sigma 70-200mm HSM II.

I have it and it is stellar. You'd have to get it 2nd hand but worth it and it has a silent motor compared to the Tamron.

People seem to review the Sigma optically slightly worse than the Tamron but mine us very sharp.
09-06-2016, 01:18 AM   #25
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QuoteOriginally posted by mgvh Quote
This question is a bit off-topic since the OP is clearly looking for a modern AF lens, but I'm wondering how the old Vivitar Series I 70-210 lenses match up with the Pentax, Tamron, or Sigmas mentioned in this thread. I have a bunch of lenses that cover that 70-210 range (DAL 55-300 and a few 135mm, 150mm, and 200m Takumar and M primes), and my Vivitar (version 2 Tokina) is really a stellar lens. I don't have any of the top end lenses, and obviously the Vivitar is MF and lacks modern coatings, but is it in the ballpark of rendering quality pics?
or, to throw more of a curve into the proceedings, why not a good used copy of the FA*80-200mm f2.8 ED (IF)?
09-06-2016, 01:37 AM   #26
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QuoteOriginally posted by howieb101 Quote
Well, I'd recommend a Sigma 70-200mm HSM II. I have it and it is stellar.
You will re-define "stellar" if you ever get to use the DFA*
I had the Sigma for a few years, and it was a good, solid performer, although a little soft and CA-prone wide open.
The Pentax is better in every regard, apart from an increase in heft.

To the OP, if you plan to use your 70-200 for work where reliable output in all weather is essential (as I do for outdoor live music), the Pentax is only one option. If your needs are not so demanding, the Tamron will be perfect.
09-06-2016, 10:28 PM   #27
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Agree that Pentax is better almost in every way, had both, see raw files difference I have placed earlier. But it is breather... Tamron as well I believe... So for close (200mm) classic portraiture on the cheap..it may be better to go with Sigma. For everything else if finances allows...
Also +1 on FA lens...
09-08-2016, 06:22 AM   #28
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I have the tamron, it is nice , you will be happy with it and saving $1000 for any other lens , ( prime ) perhaps
09-08-2016, 07:02 AM   #29
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My standard answer for questions like this is getting to be, get the Pentax if you can afford it, If not, you probably will love either the Tamron or the Sigma. For some reason people just don't make bad versions of these focal lengths, optically. I think anyone in their right mind will want to pay for the Pentax build quality.
09-08-2016, 06:56 PM   #30
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QuoteOriginally posted by vladfrenkel Quote
Interesting. Not sure if I'm the rite person to provide answer to the question. But let me try.
I have owned both Sigma 70-200 HSM II as well as Pentax DFA* 70-200 (sorry no Tamron, my coworker has one, lovely lens though).
Some one on the forum did the comparison earlier: https://www.pentaxforums.com/forums/54-pentax-lens-articles/273342-tamron-70-...elephotos.html

Just wanted to pointed out, you have 2 (or even more) options for this range. Obviously Sigma 70-200 HSM or HSM II or if you could find OS version as well and of course PENTAX SMC FA 80-200mm (I have never used it personally but heard it is very very sharp).

From my own experience...Pentax DFA * is faster and sharper (center and corners), but breath a lot more compared to Sigma (if it helps).
I have done the comparison between Sigma, Pentax 24-70 and Pentax DFA 70-200 with respect to sharpness/breath to see what Tony Northrup mentioned during his K1 review...and could not prove "corner sharpness" of 70-200 claim that he has mentioned, but saw focus breathing between Sigma and Pentax.
Here are RAW files if interested...Microsoft OneDrive - Access files anywhere. Create docs with free Office Online.

Again, not sure if it helps. Ive used SIGMA for over 2.5 years (great performer) as well as DFA* for 6-7 month (couldn't say anything bad either, fast and sharp).
Not sure if it helps though...
What ?
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